Updated on 2025/06/26

写真a

 
OHASHI Kazuhito
 
Organization
Faculty of Environmental, Life, Natural Science and Technology Professor
Position
Professor
External link

Degree

  • 工学修士 ( 岡山大学 )

  • Dr. Eng. ( Osaka University )

Research Interests

  • Precision Machining

  • 精密加工

Research Areas

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Manufacturing and production engineering

Education

  • Okayama University   大学院工学研究科   機械工学専攻

    1987.3 - 1989.3

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    Country: Japan

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  • Okayama University   工学部   応用機械工学科

    1983.4 - 1987.3

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    Country: Japan

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Research History

  • Okayama University   学術研究院環境生命自然科学学域   Professor

    2023.4

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  • Okayama University   学術研究院自然科学学域   Professor

    2021.4 - 2023.3

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  • Okayama University   The Graduate School of Natural Science and Technology   Professor

    2016.4 - 2021.3

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  • 岡山大学自然科学研究科 准教授

    2004 - 2016

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  • Associate Professor,Graduate School of Natural Science and Technology,Okayama University

    2004 - 2016

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  • Okayama University   Faculty of Engineering   Assistant

    1989.12 - 2003.12

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  • 三井石油化学工業㈱   研究員

    1989.4 - 1989.12

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Professional Memberships

Committee Memberships

  • 岡山県独立行政法人高齢・障害・求職者雇用支援機構運営協議会中国能力大部会   委員  

    2025.6   

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    Committee type:Government

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  • 公益財団法人 岡山工学振興会   業務執行理事  

    2025.6   

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    Committee type:Other

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  • 公益社団法人 砥粒加工学会   会長  

    2025.3   

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    Committee type:Academic society

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  • 精密工学会   理事  

    2025.2   

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    Committee type:Academic society

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  • 精密工学会中国四国支部   支部長  

    2024.3 - 2025.3   

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    Committee type:Academic society

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  • 精密工学会   理事 副会長  

    2024.2 - 2025.2   

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    Committee type:Academic society

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  • 2024年度精密工学会秋季大会実行委員会   実行委員長  

    2024.1 - 2024.9   

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    Committee type:Academic society

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  • International Committee for Abrasive Technology   vice-chairman  

    2023.1   

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    Committee type:Academic society

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  • おかやま自動車要素技術共創コンソーシアム(ACCEL)   会長  

    2021.3 - 2024.3   

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    Committee type:Other

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  • 日本機械学会   フェロー  

    2021.2   

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    Committee type:Academic society

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  • International Committee for Abrasive Technology   Ordinary board member  

    2019.12 - 2022.12   

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    Committee type:Academic society

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  • 砥粒加工学会   副会長  

    2019.3 - 2023.2   

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    Committee type:Academic society

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  • 日本機械学会   代表会員  

    2019.3 - 2021.3   

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    Committee type:Academic society

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  • 日本学術振興会 将来加工技術第136委員会   日本学術振興会 将来加工技術第136委員会 委員(2017-)  

    2017 - 2022.3   

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    Committee type:Government

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  • 精密工学会難削材加工専門委員会   幹事  

    2016.2   

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    Committee type:Academic society

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  • International Committee for Abrasive Technology   Secretariat  

    2015.10 - 2019.12   

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    Committee type:Academic society

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  • International Journal for Abrasive Technology   Associate Editor  

    2015.9   

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    Committee type:Other

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  • 岡山県精密生産技術研究会   会長  

    2014.4   

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    Committee type:Other

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  • International Committee for Abrasive Technology   Active member  

    2011.9   

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    Committee type:Academic society

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  • 砥粒加工学会   理事  

    2011.3 - 2017.3   

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    Committee type:Academic society

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  • ASPE   Member  

    2003   

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    Committee type:Academic society

    ASPE

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  • 日本機械学会   正員  

    1998   

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    Committee type:Academic society

    日本機械学会

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  • 砥粒加工学会   正会員  

    1993   

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    Committee type:Academic society

    砥粒加工学会

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  • 精密工学会   正会員  

    1989.12   

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    Committee type:Academic society

    精密工学会

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Papers

  • Study on the Grinding Temperature of Workpiece in Side Plunge Grinding Process Reviewed

    Lingxiao Gao, Motoki Kuida, Hiroyuki Kodama, Kazuhito Ohashi

    International Journal of Automation Technology   19 ( 3 )   337 - 345   2025.5

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Fuji Technology Press Ltd.  

    Grinding is used to finish thrust metal attachment parts, such as crankshafts, which have both journal and thrust surfaces. In side plunge grinding, a thrust surface and a cylindrical surface of a shaft workpiece with collars are finished in a single plunge grinding process. However, the surface quality near the ground internal corner, where grinding fluid may not penetrate, can deteriorate, causing high residual stress and cracks owing to grinding heat. While it has been reported that quality issues at the inner corners of the ground surface can be mitigated by reducing the grinding point temperature through efficient cooling fluid supply, the mechanisms of grinding phenomena and heat generation in side plunge grinding are not yet fully understood. In this study, the variations in the grinding temperature at the thrust surface of a workpiece with a collar were experimentally investigated using a wire/workpiece thermocouple to clarify these phenomena. The results revealed a significant increase in the grinding temperature at the corners of the grinding zone. However, it slightly decreases as the thermocouple output approaches the center of the workpiece, indicating a slight effect of the grinding speed. The surface temperature of the workpiece in side plunge grinding is primarily influenced by the wheel depth-of-cut in the thrust direction. Additionally, the effect of workpiece rotational speed and grinding infeed speed on temperature distribution has been demonstrated.

    DOI: 10.20965/ijat.2025.p0337

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  • Development of tool life prediction system for square end-mills based on database of servo motor current value Reviewed

    Hiroyuki KODAMA, Makoto SUZUKI, Kazuhito OHASHI

    Journal of Advanced Mechanical Design, Systems, and Manufacturing   19 ( 1 )   JAMDSM0001 - JAMDSM0001   2025.1

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Japan Society of Mechanical Engineers  

    DOI: 10.1299/jamdsm.2025jamdsm0001

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  • Development of a guideline proposal system for correcting cutting conditions based on the overhang length of ball end-mills Reviewed

    Hiroyuki KODAMA, Yuki MORIYA, Tatsuo MORIMOTO, Kazuhito OHASHI

    Transactions of the JSME (in Japanese)   91 ( 946 )   2025

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japan Society of Mechanical Engineers  

    DOI: 10.1299/transjsme.24-00128

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  • Study on Performance Degradation of Water-Soluble Grinding Fluids Due to Corruption and Methods for Its Prevention Reviewed

    Sena Hosokawa, Takanori Fujiwara, Hiroyoshi Suzuki, Yoshiki Isokane, Shunsuke Fukata, Takashi Onishi, Hiroko Tada, Chiyuu Nakano, Jyun Naohara, Itsuo Urakami, Kazuhito Ohashi

    Proceedings of the 26th International Symposium on Advances in Abrasive Technology (ISAAT2024)   2024.11

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    Authorship:Last author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • Development of technology for anti-corruption of water-soluble grinding fluid due to ultraviolet irradiation Reviewed

    Sena Hosokawa, Takanori Fujiwara, Hiroyoshi Suzuki, Yoshiki Isokane, Shunsuke Fukata, Takashi Onishi, Hiroko Tada, Chiyuu Nakano, Jyun Naohara, Itsuo Urakami, Kazuhito Ohashi

    Proceedings of the 26th International Symposium on Advances in Abrasive Technology (ISAAT2024)   2024.11

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    Authorship:Last author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • Study on Grinding Surface Temperature of Workpiece in Thrust Grinding Process Reviewed

    Lingxiao GAO, Motoki KUIDA, Hiroyuki KODAMA, Kazuhito OHASHI

    Proceedings of the 5th International Conference on Machining, Materials and Mechanical Technologies   318 - 319   2024.9

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    Authorship:Last author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • Development of ball end-mill wear condition judgment system aided by abnormality detection and image classification Reviewed

    Hiroyuki KODAMA, Soto KOGUE, Takahiro NISHI, Kazuhito OHASHI

    Transactions of the JSME (in Japanese)   90 ( 937 )   24 - 00127   2024

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japan Society of Mechanical Engineers  

    DOI: 10.1299/transjsme.24-00127

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  • Experimental Investigation of Chatter Vibration Mechanism in Cylindrical Plunge Grinding Based on Mode Shape of Workpiece System Reviewed

    Y. Matsumoto, Y. Takami, H. Kodama, K. Ohashi

    Proceedings of 25rd International Symposium on Advances in Abrasive Technology (ISAAT2023)   1 - 6   2023.12

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  • Influence on Grinding Force Distribution with Grinding Length of Cemented Carbide with Vertical Face Grinding using with Double Layers Grinding Wheel Reviewed

    S. Horiguchi, T. Fujiwara, R. Komatsubara, T. Onishi, H. Kodama, K. Ohashi, T. Maeda

    Proceedings of 25rd International Symposium on Advances in Abrasive Technology (ISAAT2023)   1 - 6   2023.12

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  • Construction of grinding wheel decision support system using random forests for difficult-to-cut material Reviewed

    Hiroyuki Kodama, Takao Mendori, Yuta Watanabe, Kazuhito Ohashi

    Precision Engineering   84   162 - 176   2023.11

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.precisioneng.2023.08.004

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  • Study on milling characteristics and surface integrity of AZ31B magnesium alloy Reviewed

    Proceedings of the 20th International Manufacturing Conference in China   Q0107   2023.11

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  • Study of Machined Surface Quality of AZ31B Magnesium Alloy by End Milling Reviewed

    Pengchong Zhang, Yang Huang, Rongjun Wang, Kazuhito Ohashi

    Metals   13 ( 10 )   1712 - 1712   2023.10

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:MDPI AG  

    Magnesium alloys are lightweight structural materials with excellent machinability. However, further development is seriously limited by their low strength and poor formability. Therefore, further decreasing the surface residual stress of the frame by post-process treatment is a key issue, such as for reducing the subsequent deformation due to the residual stress, improving the machining accuracy and corrosion resistance of the magnesium alloy frame products, and extending the service life of the magnesium alloy frame products. Using AZ31B magnesium alloy as the experimental subject, and by exploring the effects of milling parameters on the surface quality of frame parts, this study shows that the surface residual compressive stress, hardness, and roughness of frame parts decreased with the increasing of the milling speed and increased as the depth of cut and the feed per tooth increased. Using cutting fluid in the milling process can decrease the surface residual stress and roughness of the frame parts but increase the surface hardness. In accordance with the experimental results and analysis, the main reason affecting the residual stress on the surface layer of frame components is the thermal elastoplastic problem caused by thermal mechanical coupling during the milling process, resulting in varying stress states on the workpiece’s surface. The primary contributors to hardness are the work-hardening effect induced by milling forces and the thermal-softening effect of milling temperatures, which either augment or diminish the workpiece’s surface hardness. Furthermore, the primary factor impacting surface roughness is the magnitude of cutting forces. Excessive cutting forces lead to the ploughing phenomenon or tool vibrations, thereby causing varying degrees of surface roughness on the workpiece. Meanwhile, the influence of stress-relief annealing or cryogenic treatment on surface residual stress and hardness after the milling of the frame parts was researched. It shows that within the selected milling parameters, both stress-relief annealing and cryogenic treatment can reduce the surface residual stress and homogenize the residual stress distribution of frame parts. Stress-relief annealing leads to a reduction in the hardness of the machined surface, and the hardness of the machined surface increases slightly under cryogenic treatment. The effects of the two post-processing methods on surface quality vary, and in practical production, a rational selection can be made according to the different processing requirements to achieve the optimal standards.

    DOI: 10.3390/met13101712

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  • Study on Milling Characteristics and Surface Integrity of AZ31B Magnesium Alloy Reviewed

    Pengchong Zhang, Mingxuan Du, Rongjun Wang, Kazuhito Ohashi

    Transactions of the Indian Institute of Metals   2023.9

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s12666-023-03028-7

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    Other Link: https://link.springer.com/article/10.1007/s12666-023-03028-7/fulltext.html

  • Effect of Vibration Behavior in Low-Frequency Vibration Cutting on Surface Properties of Workpiece Reviewed

    Hiroyuki Kodama, Shota Matsuno, Naoyuki Shibata, Kazuhito Ohashi

    International Journal of Automation Technology   17 ( 5 )   434 - 448   2023.9

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Fuji Technology Press Ltd.  

    The objective of this study was to determine the effect of vibration behavior on workpiece surface properties in low-frequency vibration cutting. The effects of the parameters that determine vibration behavior on surface roughness were quantitatively evaluated through a comparison with other cutting conditions. Furthermore, by clarifying how the surface properties of the workpiece, such as roughness, roundness, and cross-sectional curves, change depending on the vibration behavior, a search for optimal conditions for low-frequency vibration cutting was conducted. The best surface properties were obtained under the condition of spindle rotation per vibration E=4.5. By using a value close to the minimum possible spindle rotation R=0.5 when the workpiece is retracted, it is expected to be effective in suppressing the variation in surface roughness at each phase angle; this variation is characteristic of low-frequency vibration cutting. Workpieces machined under low-frequency vibration conditions such as (E=2.5, R=1.0) and (E=3.5, R=1.0) were found to form characteristic surface patterns on the workpiece surface owing to a phenomenon in which the depth of the cut to the workpiece changes.

    DOI: 10.20965/ijat.2023.p0434

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  • Effect of Heat Generated in Guiding of Machining Center on Thermal Deformation Behavior in Linear Feed Axis Operation and Investigation of Its Reduction Method Reviewed

    KONDO Ryoji, OHASHI Kazuhito

    Journal of the Japan Society for Precision Engineering   89 ( 8 )   634 - 641   2023.8

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:The Japan Society for Precision Engineering  

    The effects of internal and external heat generation on machine tools cause thermal deformation to lead to the reduction of machining accuracy. The internal heat generation on spindle, ball screws or motors has been studied and proposed the countermeasures in many reports. However, the heat generation by guiding is not studied enough so far. The demand for machining accuracy in machine tools are still getting higher, then we need to consider the effects of heat generation by guiding. In this study, using the 3-axis vertical type machining center that has the hybrid guiding system (with sliding and rolling elements), the temperature changes and the relative displacement between the spindle and the table are measured. By FEM based on the temperature change data, the thermal deformation is estimated. Then, the effects of heat generation by guiding are investigated and suggested the countermeasures on FEM. The results obtained in the study are as follows, (1) The simulation results based on the experimental data give close agreement with the experimental results. (2) Even if the heat generation of driving system can be suppressed, a certain level of relative displacement might be remained. In some cases, the relative displacement without the heat generation of the driving system is even greater than or equal to that with the heat generation. (3) The countermeasure that the effect of cooling of the guide rail or its circumference on the thermal deformations is simulated and the possibility that can decrease the thermal displacement is suggested.

    DOI: 10.2493/jjspe.89.634

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  • Study on self-excited chatter vibrations increased by transition of natural vibration modes in cylindrical plunge grinding process Reviewed

    Hiroyuki Kodama, Yuya Takami, Kota Yoshida, Kazuhito Ohashi

    Proceedings of LEMP2023   030   2023.6

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  • Estimation of thermal deformation on machining center in linear feed axis operation and evaluation of cooling method for guiding using FEM Reviewed

    Ryoji Kondo, Kazuhito Ohashi

    Proceedings of LEMP2023   017   2023.6

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  • Study on Additively Manufactured Mechanical Seal (Part 1) Reviewed

    Yoshiaki Takigahira, Yuki Maetani, Masanobu Ito, Norio Uemura, Kazuhito Ohashi

    Tribology Online   17 ( 4 )   306 - 317   2022.12

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Japanese Society of Tribologists  

    DOI: 10.2474/trol.17.306

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  • Research on Cutting Characteristics and Machined Surface Quality of AZ31B Reviewed

    P. Zhang, Y. Huang, R. Wang, K. Ohashi

    Advances in Abrasive Technology XXIV, Proceedings of 24rd International Symposium on Advances in Abrasive Technology   481 - 488   2022.12

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  • Study on Improvement of Grinding Energy by Using Grinding Wheel Tooled by the Multiple Helical Dressing in Surface Grinding Reviewed

    T. Maejima, T. Onishi, M. Harada, T. Kohara, K. Ohashi

    Advances in Abrasive Technology XXIV (Proceedings of 24rd International Symposium on Advances in Abrasive Technology   76 - 81   2022.12

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  • Influence on Grinding Force Distribution of Grinding Fluid Supply Method on Cemented Carbide with Vertical Face Grinding Reviewed

    S. Horiguchi, T. Fujiwara, R. Komatsubara, T. Maeda, T. Onishi, H. Kodama, K. Ohashi

    Advances in Abrasive Technology XXIV (Proceedings of 24rd International Symposium on Advances in Abrasive Technology   82 - 87   2022.12

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  • Additive Manufacturing技術を適用したメカニカルシールの研究(第2報) ―数値解析および評価試験に基づく設計手法の理論的検討― Reviewed

    瀧ヶ平 宜昭, 前谷 優貴, 伊藤 正伸, 上村 訓右, 大橋 一仁

    トライボロジスト   67 ( 12 )   893 - 903   2022.12

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.18914/tribologist.22-00011

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  • Study on the chatter vibration focused on vibration mode of workpiece system in cylindrical plunge grinding Reviewed

    Y. Takami, H. Kodama, K. Ohashi

    2022.11

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  • Interpolation prediction for grinding wheel decision support system using random forest Reviewed

    Yuta Watanabe, Hiroyuki Kodama, Kazuhito Ohashi

    Proceedings of 2022 International Conference on Machining, Materials and Mechanical Technologies   2022.11

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  • Estimation of grinding stock of workpiece during plunge grinding process Reviewed

    T. Onishi, H. Shimotsu, Y. Murata, M. Sakakura, K. Ohashi

    Proceedings of the 19th International Conference on Precision Engineering   2022.11

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  • Effect of Grinding Wheel Tooth Thickness on Grinding Force Distributions in Face Grinding of Cemented Carbide with Constant Processing Efficiency Reviewed

    T. Fujiwara, R. Komatsubara, S. Horiguchi, T. Onishi, H. Kodama, K. Ohashi, T. Maeda

    Proceedings of the 19th International Conference on Precision Engineering   2022.11

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  • Investigation of behavior of abrasive grains in superfinishing Reviewed

    Yi Zhang, Kohei Muta, Kaito Yamada, Takashi Onishi, Kazuhito Ohashi

    Proceedings of 2022 International Conference on Machining, Materials and Mechanical Technologies   2022.11

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • Estimation and consideration of thermal deformation by heat generation of machine tool guides

    Kondo Ryoji, Ohashi Kazuhito

    Proceedings of JSPE Semestrial Meeting   2022A   252 - 253   2022.8

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    Language:Japanese   Publisher:The Japan Society for Precision Engineering  

    DOI: 10.11522/pscjspe.2022a.0_252

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  • Additive Manufacturing技術を適用したメカニカルシールの研究(第1報) ―数値解析および静的特性の実験的研究― Reviewed

    瀧ヶ平 宜昭, 前谷 優貴, 伊藤 正伸, 上村 訓右, 大橋 一仁

    トライボロジスト   67 ( 8 )   589 - 603   2022.8

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.18914/tribologist.22-00003

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  • Accurate estimation of workpiece dimension in plunge grinding without sizing gauge Reviewed

    Takashi Onishi, Yuki Murata, Kohei Fujiwara, Moriaki Sakakura, Kazuhito Ohashi

    Precision Engineering   74   441 - 446   2022.3

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.precisioneng.2021.08.012

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  • Support System for Deciding Cutting Condition in Mold Steel Machining Supported by Data-Mining Methods Reviewed

    Daisuke Kita, Hiroyuki Kodama, Ryutaro Kondo, Satoru Koizumi, Ryogo Yoshimura, Masami Iwata, Akira Tokuyama, Kazuhito Ohashi

    Proceedings of 23rd International Symposium on Advances in Abrasive Technology   412 - 417   2021.12

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  • High efficiency dry grinding of CFRP using in-process cleaning of wheel surface by dry ice jet Reviewed

    Kazushi Yamasaki, Shingo Okazaki, Hiroyuki Kodama, Hiroyuki Yoden, Kazuhito Ohashi

    Proceedings of 23rd International Symposium on Advances in Abrasive Technology   155 - 159   2021.12

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  • Estimation of Grinding Stock in Cylindrical Plunge Grinding Reviewed

    Takashi Onishi, Yuki Murata, Moriaki Sakakura, Kazuhito Ohashi

    Proceedings of 23rd International Symposium on Advances in Abrasive Technology   160 - 163   2021.12

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  • Influence on Grinding Force Distribution in Setting Depth of Cut Variations of Cemented Carbide with Vertical Face Grinding Reviewed

    Ryo Komatsubara, Takanori Fujiwara, Takashi Tsujino, Hiroyuki Kodama, Takashi Onishi, Kazuhito Ohashi

    Proceedings of 23rd International Symposium on Advances in Abrasive Technology   187 - 192   2021.12

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  • Effect of Viscoelasticity of Thermoplastic Resin Bonded Wheel on Ultra-Precision Grinding of SiC Wafers Reviewed

    Haruka Sakamoto, Yoji Fukushima, Kozo Sakai, Hiroyuki Kodama, Kazuhito Ohashi

    Proceedings of 23rd International Symposium on Advances in Abrasive Technology   193 - 198   2021.12

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  • Effect of Vibration Behaviors on the Properties of Machined Surfaces Created by Low-frequency Vibration Cutting Reviewed

    Naoyuki Shibata, Yusuke Tanimoto, Hiroyuki Kodama, Kazuhito Ohashi

    Proceedings of 23rd International Symposium on Advances in Abrasive Technology   1 - 6   2021.12

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  • Estimation of Thermal Deformation of CNC Lathe Based on Measurement of Temperature Rise Reviewed

    Katsuya OTERA, Takashi ONISHI, Tomonori KATAYAMA, Daisuke SHIRAGA, Tomohiro AKAI, Takamasa SUETAKE, Kota HONDA, Naruhito MIYAKE, Kazuhito OHASHI

    Proceedings of 10th International Conference on Leading Edge Manufacturing in 21st Century (LEM21)   118 - 120   2021.11

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  • Abrasive jet machining for the microprofile control patterning of herringbone grooves Reviewed

    Hiroyuki Kodama, Shota Nakamae, Masashi Harada, Daichi Wada, Kazuhito Ohashi

    Precision Engineering   72   527 - 542   2021.11

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.precisioneng.2021.07.002

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  • Improvement of form accuracy in cylindrical traverse grinding with steady rest by controlling traverse speed Reviewed

    Hidetaka FUJII, Takashi ONISHI, Chinhu LIN, Moriaki SAKAKURA, Kazuhito OHASHI

    Journal of Advanced Mechanical Design, Systems, and Manufacturing   15 ( 4 )   JAMDSM0049 - JAMDSM0049   2021.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1299/jamdsm.2021jamdsm0049

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  • An Effect of a Setting Depth of Cut in a Face Grinding Process with a Single Layer Electro Plated Diamond Grinding Wheel with Periphery R Shape Reviewed

    Takanori FUJIWARA, Koudai HIRAMATSU, Takuro HASHIGUCHI, Takashi TSUJINO, Ryo KOMATSUBARA, Takashi ONISHI, Hiroyuki KODAMA, Kazuhito OHASHI

    Proceedings of 18nd International Conference on Precision Engineering (ICPE2020)   B-2-8   2020.11

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  • Accurate Estimation of Workpiece Dimension in Plunge Grinding without Sizing Gauge Reviewed

    Takashi ONISHI, Yuki MURATA, Kohei FUJIWARA, Moriaki SAKAKURA, Kazuhito OHASHI

    Proceedings of 18nd International Conference on Precision Engineering (ICPE2020)   B-2-9   2020.11

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    DOI: 10.1016/j.precisioneng.2021.08.012

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  • Improvement of Form Accuracy of Slender Workpiece in Cylindrical Traverse Grinding with Steady Rest Reviewed

    Hidetaka FUJII, Takashi ONISHI, Chinhu LIN, Moriaki SAKAKURA, Kazuhito OHASHI

    Proceedings of 18nd International Conference on Precision Engineering (ICPE2020)   B-2-6   2020.11

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  • Thermal influence on surface layer of carbon fiber reinforced plastic (CFRP) in grinding Reviewed

    Hiroyuki Kodama, Shingo Okazaki, Yifan Jiang, Hiroyuki Yoden, Kazuhito Ohashi

    Precision Engineering   65   53 - 63   2020.9

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    DOI: 10.1016/j.precisioneng.2020.04.005

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  • Effect of steady rest in cylindrical traverse grinding of slender workpiece Reviewed

    Hidetaka Fujii, Takashi Onishi, Chinhu Lin, Moriaki Sakakura, Kazuhito Ohashi

    JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, LEMP 2020   2020

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    DOI: 10.1115/LEMP2020-8507

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  • Improvement of the form accuracy ground by a slender wheel in internal grinding Reviewed

    Takashi Onishi, Yusuke Nakabayashi, Moriaki Sakakura, Go Ichiba, Kazuhito Ohashi

    JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, LEMP 2020   2020

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    DOI: 10.1115/LEMP2020-8595

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  • Effect of the Steady Rest on the Profile of a Slender Workpiece in Travers Grinding Reviewed

    Chinhu Lin, Takashi Onishi, Koichi Sakamoto, Hidetaka Fujii, Moriaki Sakakura, Kazuhito Ohashi

    Proceedings of 22nd International Symposium on Advances in Abrasive Technology (ISAAT2019)   A08   2019.12

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  • Investigation on Concentric Mutual Lapping Characteristic for Improvement in Sliding Surface Function of SiC Ceramics Reviewed

    Yusuke TANIMOTO, Hayato KOYAMA, Hiroyuki KODAMA, Kazuhito OHASHI

    Proceedings of 22nd International Symposium on Advances in Abrasive Technology (ISAAT2019)   A22   2019.12

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  • Influence on Grinding Force Distribution in Feed Rate Variations of Cemented Carbide with Vertical Face Grinding Reviewed

    Takashi TSUJINO, Takanori FUJIWARA, Hiroyuki KODAMA, Takashi ONISHI, Shinya TSUKAMOTO, Kazuhito OHASHI

    Proceedings of 22nd International Symposium on Advances in Abrasive Technology (ISAAT2019)   2019.12

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  • Investigation of Principal Factor Decision Support System Using Data-Mining Methodology for Surface Grinding Wheel Reviewed

    Hiroyuki KODAMA, Itaru UOTANI, Takao MENDORI, Kazuhito OHASHI

    Proceedings of 22nd International Symposium on Advances in Abrasive Technology (ISAAT2019)   A21   2019.12

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  • Investigation of principal factor decision support system using data mining methodology for surface grinding wheel Reviewed

    Hiroyuki Kodama, Takao Mendori, Kazuhito Ohashi

    International Journal of Abrasive Technology   9 ( 4 )   303 - 318   2019.12

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    DOI: 10.1504/IJAT.2019.106676

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  • Influence of Grinding Temperature on Surface Quality of CFRP Reviewed

    Shingo OKAZAKI, Yifan JIANG, Hiroyuki KODAMA, Hiroyuki YODEN, Kazuhito OHASHI

    Proceedings of 22nd International Symposium on Advances in Abrasive Technology (ISAAT2019)   S09   2019.12

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  • Finite Element Simulation of Residual Stress in Milling of AZ31B Reviewed

    Pengchong ZHANG, Lifeng MA, Rongjun WANG, Yao HUANG, Kazuhito OHASHI

    Proceedings of 22nd International Symposium on Advances in Abrasive Technology (ISAAT2019)   C10   2019.12

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  • Improvement of the Form Accuracy in Internal Plunge Grinding by the High Aspect Ratio Wheel Reviewed

    Takashi Onishi, Yusuke Nakabayashi, Moriaki Sakakura, Kazuhito Ohashi

    Proceedings of the 8th International Conference of Asian Society for Precision Engineering and Nanotechnology   1 - 3   2019.11

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  • Concentric mutual lapping to improve sliding surface function of SiC ceramics Reviewed

    Hiroyuki Kodama, Hayato Koyama, Tomoaki Ishii, Yusuke Tanimoto, Kazuhito Ohashi

    International Journal of Automation Technology   13 ( 6 )   756 - 764   2019.11

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    DOI: 10.20965/ijat.2019.p0756

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  • Improvement of the form accuracy of a slender workpiece in cylindrical traverse grinding Reviewed

    Takashi Onishi, Teppei Takashima, Moriaki Sakakura, Koichi Sakamoto, Kazuhito Ohashi

    International Journal of Automation Technology   13 ( 6 )   728 - 735   2019.11

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    DOI: 10.20965/ijat.2019.p0728

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  • Improvement of form accuracy in internal grinding using a slender grinding wheel: Prediction of the suitable moment of the wheel retraction in the plunge internal grinding Reviewed

    Takashi Onishi, Yuki Oda, Moriaki Sakakura, Yusuke Nakabayash, Kuya Nishi, Kazuhito Ohashi

    Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   85 ( 10 )   885 - 890   2019.10

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    DOI: 10.2493/jjspe.85.885

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  • 円筒研削加工における研削抵抗の振動の遷移に関する研究 Reviewed

    山本優, NAMBIAR Anand, 松本耕, 塚本真也, 大橋一仁

    砥粒加工学会誌   63 ( 6 )   2019.6

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  • Decision support system for principal factors of grinding wheel using data mining methodology Reviewed

    H.Kodama, T.Uotani, K.Ohashi

    Int. J. Abrasive Technology   9 ( 2 )   89 - 98   2019.1

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  • Special issue on precision abrasive technology of difficult-to-machine materials

    Hirofumi Suzuki, Kazuhito Ohashi

    International Journal of Automation Technology   12 ( 6 )   861   2018.11

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    DOI: 10.20965/ijat.2018.p0861

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  • Improvement of shape accuracy in internal grinding using a slender grinding wheel Reviewed

    Takashi Onishi, Kuya Nishi, Sakakura Moriaki, Yusuke Nakabayashi, Kazuhito Ohashi

    Proceedings of 17th International Conference on Precision Engineering (ICPE2018)   2018.11

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  • Study on concentric mutual lapping for improvement in sliding surface function of SiC ceramics Reviewed

    Yusuke Tanimoto, Hayato Koyama, Hiroyuki Kodama, Kazuhito Ohashi

    Proceedings of the 21st International Symposium on Advances in Abrasive Technology (ISAAT2018)   2018.10

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  • Decision support system for principal factors of grinding wheel using data-mining methodology Reviewed

    Hiroyuki Kodama, Itaru Uotani, Kazuhito Ohashi

    Proceedings of the 21st International Symposium on Advances in Abrasive Technology (ISAAT2018)   9 ( 2 )   89 - 98   2018.10

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    DOI: 10.1504/IJAT.2019.101399

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  • Estimation of the shape error in the Long workpiece from the normal grinding force of cylindrical traverse grinding Reviewed

    Koichi Sakamoto, Takashi Onishi, Moriaki Sakakura, Naoki Kawaguchi, Kazuhito Ohashi

    Proceedings of the 21st International Symposium on Advances in Abrasive Technology (ISAAT2018)   2018.10

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  • Development of the intelligent cylindrical grinding system considering the thermal deformation of a workpiece Reviewed

    Takashi ONISHI, Moriaki SAKAKURA, Takuo OKANOUE, Kohei FUJIWARA, Yasuhiro FUJIYAMA, Kazuhito OHASHI

    Journal of Advanced Mechanical Design Systems and Manufacturing   12 ( 5 )   1 - 8   2018.10

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  • Influence of Grinding Atmosphere on Grinding Characteristics of CFRP (Effect of Soluble Coolant or Liquid Nitrogen Supply) Reviewed

    Shingo Okazaki, Yifan Jiang, Hiroyuki Kodama, Hiroyuki Yoden, Kazuhito Ohashi

    Proceedings of 2018 International Conference on Machining, Materials and Mechanical Technologies (2018 IC3MT)   105 - 109   2018.9

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  • Decision support system for grinding wheel selection using data-mining Reviewed

    Hiroyuki Kodama, Kazuhito Ohashi, Itaru Uotani

    Proceedings of euspen’s 18th International Conference & Exhibition   213 - 214   2018.6

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  • Recovery of grindactivity by dry ice blasting on micro-grit diamond wheel in dry grinding of carbon Reviewed

    Yuto Katayama, Yuki Ohta, Hiroyuki Kodama, Kazuhito Ohashi

    ISAAT 2017 - Proceedings of the 20th International Symposium on Advances in Abrasive Technology   76 - 80   2017.12

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  • Improvement of shape accuracy in internal grinding with slender grinding wheel Reviewed

    Takashi Onishi, Kuya Nishi, Moriaki Sakakura, Kazuhito Ohashi

    ISAAT 2017 - Proceedings of the 20th International Symposium on Advances in Abrasive Technology   958 - 961   2017.12

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  • Development of the grinding wheel decision support system using data mining method Reviewed

    Hiroyuki Kodama, Koichi Okuda, Kazuhito Ohashi

    Proceedings of the 9th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2017   2017.11

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    DOI: 10.1299/jsmelem.2017.9.009

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  • Development of intelligent cylindrical grinding system considering thermal deformation of workpiece Reviewed

    Takashi Onishi, Moriaki Sakakura, Takuo Okanoue, Yasuhiro Fujiyama, Kazuhito Ohashi

    Proceedings of the 9th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2017   12 ( 5 )   2017.11

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    DOI: 10.1299/jsmelem.2017.9.143

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  • Efficiency Investigation of Removal of Loading Carbon Chips on Wheel Surface Using Dry Ice Blasting Reviewed

    Yuki Ohta, Soziro Murakawa, Kazuhito Ohashi

    Key Engineering Materials   749   124 - 129   2017.8

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  • 長尺工作物の円筒トラバース研削における形状精度の改善 工作物の弾性変形を考慮したトラバース速度の制御 Reviewed

    大西孝, 小谷拓也, 小谷拓也, 坂倉守昭, 大橋一仁, 高島哲平, 塚本真也

    砥粒加工学会誌   60 ( 10 )   551 - 556   2016.10

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  • Estimation of the Shape Error in Internal Grinding by High aspect Ratio Grinding Wheel Reviewed

    Takashi Onishi, Moriaki Sakakura, Kazuki Oda, Kuya Nishi, Kazuhito Ohashi

    Proceedings of 2016 International Conference on Machining, Materials and Mechanical Technologies (2016 IC3MT)   2016.10

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  • Improvement in the Shape Error of the Long Workpiece in Cylindrical Traverse Grinding Reviewed

    T. Takashima, T. Onishi, M. Sakakura, K. Ohashi, S. Tsukamoto

    Proceedings of 19th International Symposium on Advances in Abrasive Technology (ISAAT2016)   307 - 313   2016.10

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  • Efficiency Investigation of Removal ofLoading Carbon Chips onWheel Surface Using DryIce Blasting Reviewed

    Y.Ohta, S.Murakawa, K.Ohashi

    Proceedings of 2016 International Conference on Machining, Materials and Mechanical Technologies (2016 IC3MT)   2016.10

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  • Simulation Analysis of Thermal Deformation of a Workpiece during Cylindrical Plunge Grinding -Estimating the Grinding Force from the Power Consumption of the Wheel Motor- Reviewed

    大西孝, 坂倉守昭, 和田洋平, 佐藤直樹, 大橋一仁, 塚本真也

    精密工学会誌(Web)   82 ( 1 )   70 - 74   2016.1

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  • Simulation analysis of thermal deformation of a workpiece during cylindrical plunge grinding - Estimating the grinding force from the power consumption of the wheel motor

    Takashi Onishi, Moriaki Sakakura, Yohci Wada, Naoki Sato, Kazuhito Ohashi, Shinya Tsukamoto

    Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   82 ( 1 )   70 - 74   2016

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    DOI: 10.2493/jjspe.82.70

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  • Investigation of thermal environment at grinding point of CFRP Reviewed

    Ryosuke Tani, Kazuhito Ohashi, Mitsuo Yoshikawa, Shinichiro Kubota, Shinya Tsukamoto

    Proceedings of the 8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015   E38   2015.10

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  • Dimensional error analysis for grinding of a cylindrical long workpiece Reviewed

    Takashi Onishi, Moriaki Sakakura, Teppei Takashima, Takuya Kodani, Kazuhito Ohashi, Shinya Tsukamoto

    Proceedings of the 8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015   2015.10

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  • 円筒研削における工作物熱変形量を考慮した加工システムの開発 種々の研削条件における寸法精度の検証 Reviewed

    大西孝, 坂倉守昭, 藤山泰弘, 大橋一仁, 塚本真也

    砥粒加工学会誌   59 ( 10 )   594 - 599   2015.10

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  • Control of Machining Profiles Based on Material Removal Capabilities in Cylindrical Blasting Reviewed

    Masashi HARADA, Kazuhito OHASHI, Taketo FUKUSHIMA, Shinya TSUKAMOTO

    Applied Mechanics and Materials   806   125 - 130   2015.8

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  • In-process monitoring of the machining state in superfinishing by measuring the dynamic machining forces Reviewed

    Takashi ONISHI, Kazuhito OHASHI, Kohei HIGASHI, Yohei MORINAKA, Shinichi BANNO, Takakazu KITAGAWA, Shinya TSUKAMOTO

    Applied Mechanics and Materials   806   592 - 596   2015.8

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  • Experimental study of the causes for shape error of a large workpiece machined by surface grinding Reviewed

    Takashi Onishi, Yoshiyuki Shimizu, Moriaki Sakakura, Makoto Harada, Yusuke Nakano, Shinsuke Baba, Kazuhito Ohashi, Shinya Tsukamoto

    Applied Mechanics and Materials   806   597 - 600   2015.8

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  • Forces during Grinding Operation and its Relation to the Dressing Cycle Reviewed

    Anand NAMBIAR, Kou MATSUMOTO, Masaru YAMAMOTO, Kazuhito OHASHI, Shinya TSUKAMOTO

    Applied Mechanics and Materials   806   78 - 83   2015.8

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  • Effect of dry ice blasting on removal of loading carbon chips on wheel surface Reviewed

    Kazuhito Ohashi, Sojiro Murakawa, Sinya Tsukamoto

    Key Engineering Materials   656-657   220 - 225   2015.5

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    DOI: 10.4028/www.scientific.net/KEM.656-657.220

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  • High-efficient regeneration of grinding performance using adhesive films in dry grinding of carbon Reviewed

    Kazuhito Ohashi, Yuya Takata, Shinya Tsukamoto

    Key Engineering Materials   656-657   283 - 288   2015.5

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    DOI: 10.4028/www.scientific.net/KEM.656-657.283

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  • Simulation analysis and in-process measurement of the workpiece temperature distribution in large surface grinding Reviewed

    Takashi Onishi, Moriaki Sakakura, Yusuke Nakano, Makoto Harada, Kazutoshi Kawakami, Takeshi Sakane, Kazuhito Ohashi, Shinya Tsukamoto

    Key Engineering Materials   656-657   353 - 356   2015.5

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    DOI: 10.4028/www.scientific.net/KEM.656-657.353

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  • Quick on-machine measurement of ground surface finish available for mass production cylindrical grinding processes Reviewed

    Kazuhito Ohashi, Kazuya Tan, Tomoya Ashida, Shinya Tsukamoto

    International Journal of Automation Technology   9 ( 2 )   176 - 183   2015.3

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    DOI: 10.20965/ijat.2015.p0176

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  • 圧粉磁心の各種特性に及ぼす加工条件の影響に関する研究 Reviewed

    上野友之, 徳岡輝和, 大橋一仁, 塚本真也

    砥粒加工学会誌   58 ( 12 )   765 - 770   2014.12

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  • Development of an advanced machine control system in superfinishing the automatic determination of the suitable machining time Reviewed

    Takashi Onishi, Kazuhito Ohashi, Kohei Higashi, Takahiro Iguchi, Shingo Yamashita, Hajime Isa, Shinya Tsukamoto

    Advanced Materials Research   1017   515 - 519   2014.8

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    DOI: 10.4028/www.scientific.net/AMR.1017.515

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  • Studies on grinding conditions affecting the quality of soft magnetic powder cores Reviewed

    Tomoyuki Ueno, Terukazu Tokuoka, Takao Nishioka, Kazuhito Ohashi, Shinya Tsukamoto

    Advanced Materials Research   1017   27 - 32   2014.8

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    DOI: 10.4028/www.scientific.net/AMR.1017.27

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  • Study on grinding force distribution on cup type electroplated diamond wheel in face grinding of cemented carbide Reviewed

    Takanori Fujiwara, Shinya Tsukamoto, Kazuhito Ohashi, Takashi Onishi

    Advanced Materials Research   1017   9 - 14   2014.8

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    DOI: 10.4028/www.scientific.net/AMR.1017.9

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  • Study on the shape error in the cylindrical traverse grinding of a workpiece with high aspect ratio Reviewed

    Takashi Onishi, Takuya Kodani, Kazuhito Ohashi, Moriaki Sakakura, Shinya Tsukamoto

    Advanced Materials Research   1017   78 - 81   2014.8

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    DOI: 10.4028/www.scientific.net/AMR.1017.78

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  • Machining characteristics in cylindrical blasting of micro grooves and performance of herring-bone bearing Reviewed

    Taketo Fukushima, Kazuhito Ohashi, Masahiro Fujihara, Takashi Onishi, Shinya Tsukamoto

    Advanced Materials Research   1017   205 - 211   2014.8

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    DOI: 10.4028/www.scientific.net/AMR.1017.205

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  • Deburring of Needle Point Using Slurry Flow with Cavitation Reviewed

    Kazuhito Ohashi, Yuto Maeda, Nan Lu, Shinya Tsukamoto

    Proceedings of the 15th International Conference on Precision Engineering   657 - 660   2014.7

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  • Simulation Analysis of Thermal Deformation of a Workpiece during Cylindrical Plunge Grinding -Estimating the Grinding Force from the Power Consumption of the Wheel Motor- Reviewed

    Takashi Onishi, Moriaki Sakakura, Yohei Wada, Naoki Sato, Kazuhito Ohashi, Shinya Tsukamoto

    Proceedings of the 15th International Conference on Precision Engineering   157 - 160   2014.7

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  • Rapid on-machine measurement of surface finish in repeated cylindrical grinding cycles

    K. Ohashi, K. Tan, T. Ashida, S. Tsukamoto

    Conference Proceedings - 14th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2014   2   311 - 314   2014.6

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  • Influence of Grinding Atmosphere on Grinding Characteristics of CFRP (Effect of Soluble Coolant or Liquid Nitrogen Supply) Reviewed

    大橋一仁, 前野隼人, 藤原良平, 窪田真一郎, 吉川満雄, 塚本真也

    日本機械学会論文集 C編(Web)   79 ( 808 )   5068 - 5078   2013.12

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  • In-Process Monitoring of Machining State in Superfinishing Reviewed

    Takashi ONISHI, Kazuhito OHASHI, Kohei HIGASHI, Shingo YAMASHITA, Takashiro IGUCHI, Shinya TSUKAMOTO

    Proceedings of The 7th International Conference on Leading Edge Manufacturing in 21st Century   89 - 92   2013.11

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  • Investigation of Grinding Temperature of Carbon Fiber Reinforced Plastics Reviewed

    Ryohei FUJIHARA, Kazuhito OHASHI, Mitsuo YOSHIKAWA, Shinichiro KUBOTA, Takashi ONISHI, Shinya TSUKAMOTO

    Proceedings of The 7th International Conference on Leading Edge Manufacturing in 21st Century   103 - 106   2013.11

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  • Study on the restraint method of thermal deformation in the machine tools Reviewed

    Kyosuke Umezu, Kazuhito Ohashi, Shinya Tsukamoto

    Advanced Materials Research   797   603 - 608   2013.8

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    DOI: 10.4028/www.scientific.net/AMR.797.603

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  • Grinding system reducing the influence of thermal deformation of workpiece in cylindrical grinding Reviewed

    Takashi Onishi, Moriaki Sakakura, Naoki Sato, Takuya Kodani, Kazuhito Ohashi, Shinya Tsukamoto

    Advanced Materials Research   797   609 - 612   2013.8

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    DOI: 10.4028/www.scientific.net/AMR.797.609

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  • Influence of grinding atmosphere on grinding characteristics of CFRP (effect of soluble coolant or liquid nitrogen supply)

    Kazuhito Ohashi, Hayato Maeno, Ryohei Fujihara, Shinichirou Kubota, Mitsuo Yoshikawa, Shinya Tsukamoto

    Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C   79 ( 808 )   5068 - 5078   2013

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    DOI: 10.1299/kikaic.79.5068

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  • Fundamental study on setting of diamond abrasive grains using electrostatic force for single-layered metal bond wheel Reviewed

    Ohashi Kazuhito, Kawasuji Yusaku, Shinji Yoshifumi, Samejima Yoshitaka, Ogawa Soma, Tsukamoto Shinya

    Advanced Materials Research   565   40 - 45   2012.9

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  • Application of cavitation aided abrasive machining to manufacture of micro air vents on injection molds Reviewed

    N. Lu, K. Ohashi, A. Hirashima, A. Shimizu, S. Tsukamoto

    Advanced Materials Research   565   597 - 602   2012.9

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    DOI: 10.4028/www.scientific.net/AMR.565.597

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  • Fundamental study of cylindrical blasting Reviewed

    56 ( 9 )   626 - 631   2012.9

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  • Simulation analysis of temperature distribution and thermal deformation in a workpiece during cylindrical grinding Reviewed

    Takashi Onishi, Moriaki Sakakura, Yohei Wada, Shonan Song, Naoki Sato, Kazuhito Ohashi, Shinya Tsukamoto

    10th International Conference on Progress of Machining Technology, ICPMT 2012   104 - 108   2012.9

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  • Grinding performance using alkaline electrolyzed and high-frequency reduced water Reviewed

    Iba Shinichi, Ohashi Kazuhito, Honiden Kazuyuki, Kitajima Iwao, Shinya Tsukamoto

    Advanced Materials Research   565   16 - 21   2012.9

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  • Temperature distribution in a workpiece during cylindrical plunge grinding Reviewed

    Moriaki Sakakura, Takashi Ohnishi, Takayuki Shinoda, Kazuhito Ohashi, Shinya Tsukamoto, Ichiro Inasaki

    Production Engineering Research and Development   6 ( 2 )   149 - 155   2012.4

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  • Mechanism of workpiece form error generation in surface grinding of ultra thin workpieces Reviewed

    ONISHI Takashi, YUKAWA Tomoatsu, OHASHI Kazuhito, SAKAKURA Moriaki, TSUKAMOTO Shinya

    Journal of the Japan Society of Grinding Engineers   56 ( 1 )   29 - 33   2012.1

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  • Improvement of accuracy in internal grinding with shape modification on high aspect ratio wheel Reviewed

    Takashi Onishi, Kazuhito Ohashi, Yuya Yamamoto, Moriaki Sakakura, Shinya Tsukamoto

    Proceedings of the 6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011   2011.11

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  • Machining characteristics of cylindrical blasting and application to micro patterning Reviewed

    E. Sogabe, K. Ohashi, N. Lu, M. Fujiwara, T. Onishi, S. Tsukamoto

    Advanced Materials Research   325   570 - 575   2011.9

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  • Development of workpiece thermal deformation prediction system with the in-process measurement result of workpiece surface temperature in cylindrical plunge grinding Reviewed

    ONISHI Takashi, SAKAKURA Moriaki, SAEKI Tetsuya, TANIMURA Yoshihiko, WADA Yohei, OHASHI Kazuhito, TSUKAMOTO Shinya

    Journal of the Japan Society for Abrasive Technology   55 ( 7 )   418 - 423   2011.7

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  • Dressless regeneration of grindactivity in dry grinding of carbon : 2nd report : Effect on regeneration of grindactivity in loaded wheel Reviewed

    OHASHI Kazuhito, ONISHI Takashi, SUMIMOTO Yosuke, FUJITA Yuya, TSUKAMOTO Shinya

    Journal of the Japan Society for Abrasive Technology   55 ( 5 )   284 - 289   2011.5

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  • Simulation analysis and measurement of temperature distribution and thermal deformation in workpiece during cylindrical plunge grinding Reviewed

    ONISHI Takashi, SAKAKURA Moriaki, SHINODA Takayuki, WADA Yohei, OHASHI Kazuhito, TSUKAMOTO Shinya

    Journal of the Japan Society for Abrasive Technology   55 ( 3 )   161 - 166   2011.3

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    In cylindrical plunge grinding, the workpiece expands because most of the grinding heat is transmitted to the workpiece during grinding. After grinding, the workpiece diameter decreases as the coolant removes the accumulated heat, and the dimensional accuracy of the workpiece decreases because of thermal deformation. Therefore, it is necessary to understand thermal deformation behavior of the workpiece taking into consideration the temperature distribution during grinding. In this study, simulation analysis of temperature distribution and thermal deformation of the workpiece are proposed. The validity of these simulation results were verified by comparison with measurement results obtained with developed in-process measurement system of temperature distribution and thermal deformation in the workpiece.

    DOI: 10.11420/jsat.55.161

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  • Dressless regeneration of grindactivity in dry grinding of carbon : 1^<st> report : Proposal for removing loaded chips with adhesive tape and removal characteristics Reviewed

    ONISHI Takashi, OHASHI Kazuhito, FUJITA Yuya, SUMIMOTO Yosuke, TSUKAMOTO Shinya

    Journal of the Japan Society for Abrasive Technology   55 ( 2 )   102 - 107   2011.2

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    Dressing is frequently carried out in dry grinding of hard carbon because of loading over short grinding times. However, even if abrasive grains covered with loading chips on a wheel surface still have sharp cutting edges, they are removed with loaded chips by dressing. In this study, we propose the dressless restoration of grindactivity in which loaded chips are removed by peeling off the adhesive tape from the loaded wheel surface after pressing. The process of removing loaded chips in dressless restoration was clarified, and the effects of adhesive tape pressing load and peeling speed on removal characteristics of loaded chips were investigated.

    DOI: 10.11420/jsat.55.102

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  • Approaches to in-process measurement of surface roughness in cylindrical grinding Reviewed

    T. Tachikawa, K. Ohashi, M. Tago, S. Tsukamoto

    Advanced Materials Research   126-128   684 - 689   2010.9

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  • Workpiece Temperature Distribution during Cylindrical Plunge Grinding Reviewed

    M.Sakakura, T.Shinoda, S.Tsukamoto, K.Ohashi, I.Inasaki

    Proceedings of 7th CIRP International Conference on Intelligent Computation in Manufacturing Engineering   2010.6

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  • Rapid on-machine measurement of surface finish for cylindrically grinding workpiece

    Kazuhito Ohashi, Masataka Tago, Takuya Tachikawa, Shinya Tsukamoto

    Proceedings of the 24th Annual Meeting of the American Society for Precision Engineering, ASPE 2009   1 - 4   2009.10

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  • Improvement of grindactivity by dressless wheel treatment in dry grinding of carbon Reviewed

    K. Ohashi, Y. Sumimoto, Y. Fujita, S. Tsukamoto

    Advanced Materials Research   76-78   94 - 100   2009.9

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    DOI: 10.4028/www.scientific.net/AMR.76-78.94

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  • Fundamental study of high accuracy truing of a small-diameter quill with shoe support : 1st report : Deflection behavior of the quill Reviewed

    HASEGAWA Hiroyuki, KOYAMA Yuji, MIYAKE Ryusuke, OHASHI Kazuhito, TSUKAMOTO Shinya, KANO Fumiyoshi, MORITA Hiromichi, KUROE Takamitsu

    Journal of the Japan Society for Abrasive Technology   53 ( 9 )   566 - 571   2009.9

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    DOI: 10.11420/jsat.53.566

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  • Basic Investigation of Environmental Harmonic Machining-Examination of various low pollution machining methods and effectiveness verification of half underwater grinding- Reviewed

    西川尚宏, 塚本真也, 大橋一仁, 中島利勝, 井山俊郎, 水野雅裕, 大田康史, 久保孝典

    環境技術   38 ( 6 )   415 - 423   2009.6

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  • Study on cavitation aided abrasive machining on glass Reviewed

    Kazuhito Ohashi, Shinya Tsukamoto, Toshikatsu Nakajima

    Key Engineering Materials   407-408   654 - 657   2009.2

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    DOI: 10.4028/www.scientific.net/KEM.407-408.654

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  • Fundamental study on the precision abrasive machining using a cavitation in reversing suction flow Reviewed

    Kazuhito Ohashi, Rongjun Wang, Hiroyuki Hasegawa, Shinya Tsukamoto

    Key Engineering Materials   389-390   223 - 228   2009.1

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    DOI: 10.4028/0-87849-364-6.223

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  • The possibility of dressless restoration of grindactivity in dry grinding of carbon Reviewed

    K. Ohashi, Y. Sumimoto, Y. Fujita, H. Hasegawa, S. Tsukamoto

    Key Engineering Materials   389-390   356 - 361   2009.1

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    DOI: 10.4028/0-87849-364-6.356

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  • Rapid on-machine measurement of surface roughness with thermoelectric effect for rotating ground workpiece Reviewed

    OHASHI Kazuhito, NAGATA Ryu, TSUKAMOTO Shinya, HASEGAWA Hiroyuki

    Journal of the Japan Society for Abrasive Technology   52 ( 12 )   724 - 729   2008.12

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  • Study on relationships between surface quality and contaminations in coolant : 1st report : The effects of sludge and abrasive grain contents on the formations of scratches Reviewed

    HASEGAWA Hiroyuki, OKAMOTO Toshihiro, CHIBA Yousuke, OHASHI Kazuhito, TSUKAMOTO Shinya, NISHIZAWA Shinya, FUJITA Yoshihiro, MIYAGAWA Kazuhiko

    Journal of the Japan Society for Abrasive Technology   52 ( 10 )   589 - 594   2008.10

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    In this study, the correlations between surface quality and contamination in coolant were investigated on the assumption that chips produced in grinding and abrasive grains released from a wheel affect the work surface. The number of scratches, which is one of the most important problems in production fields, in relation to sludge and abrasive contents was systematically summarized. The experimental results showed that the number of scratches increased monotonically with increasing sludge contents, and remained constant at 50&times;107/l. Meanwhile, abrasive grains in coolant were dominantly involved in the formation of scratches, and had a 40-fold impact on the number of scratches rather than sludge. Moreover, optical microscopy indicated that configurations of scratches could be categorized as linear-type or curve-type. Whereas the former was observed with increasing sludge contents, the latter emerged with contamination of abrasive grains.

    DOI: 10.11420/jsat.52.589

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  • Development of Electric Rust Prevention Machining Method in End Mill Cutting-Environmental Harmonic Machining Using Water in Cutting Machining- Reviewed

    西川尚宏, 塚本真也, 大橋一仁, 三宅隆介, 井山俊郎, 水野雅裕

    環境技術   37 ( 4 )   274 - 281   2008.4

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  • Micro patterning using cavitation-aided abrasive machining in suction flow Reviewed

    OHASHI Kazuhito, WANG Rongjun, MATSUOKA Koichi, TAGUCHI Masaya, TSUKAMOTO Shinya

    Journal of the Japan Society for Abrasive Technology   52 ( 3 )   158 - 163   2008.3

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  • Characterization of quaternary (Cr,Al)N-based films synthesized by the cathodic arc method Reviewed

    H. Hasegawa, K. Ohashi, S. Tsukamoto, T. Sato, T. Suzuki

    Surface and Coatings Technology   202 ( 4-7 )   786 - 789   2007.12

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    DOI: 10.1016/j.surfcoat.2007.05.050

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  • Improvement of machining accuracy in micro cylindrical traverse grinding Reviewed

    Kazuhito Ohashi, Guifu He, Shinya Tsukamoto

    Key Engineering Materials   329   39 - 44   2007.9

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    DOI: 10.4028/0-87849-416-2.39

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  • Novel On-Machine Measurement of Surface Finish with Thermoelectric Effect for Rotating Ground Workpiece Reviewed

    ( X )   519 - 525   2007.9

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  • 日本語力の徹底訓練による教育法 Reviewed

    塚本真也, 大橋一仁, 東辻浩夫

    工学教育   55 ( 1 )   2007

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  • Grinding process for the finest surface finish with super-soft grade resinoid bond wheel Reviewed

    Ohashi Kazuhito, Tsukamoto Shinya, Nakajima Toshikatsu

    ICPMT2006 - Progress of Machining Technology - Proceedings of the 8th International Conference on Progress of Machining Technology   417 - 420   2006.11

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  • Fundamental study on a cavitation aided machining Reviewed

    Kazuhito Ohashi, Rongjun Wang, Shinya Tsukamoto, Toshikatsu Nakajima

    ICPMT2006 - Progress of Machining Technology - Proceedings of the 8th International Conference on Progress of Machining Technology   405 - 408   2006.11

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  • Thermal deformation of grinding wheel and workpiece in internal oscillation grinding process of deep hole Reviewed

    大橋一仁, HE Guifu, 小野祐一郎, 塚本真也, 中島利勝

    砥粒加工学会誌   50 ( 7 )   409 - 414   2006.7

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    DOI: 10.11420/jsat.50.409

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  • Study on micro cylindrical traverse grinding with high accuracy Reviewed

    大橋一仁, HE Guifu, 光尾崇, 吉原啓太, 大西孝, 塚本真也

    砥粒加工学会誌   50 ( 6 )   334 - 339   2006.6

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    DOI: 10.11420/jsat.50.334

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  • Development of electric rust preventive machining method in internal grinding-Proposal on an environment-friendly machining using water instead of grinding fluid- Reviewed

    西川尚宏, 大橋一仁, 吉原啓太, 塚本真也

    環境技術   35 ( 6 )   452 - 459   2006.6

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    DOI: 10.5956/jriet.35.452

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  • Development of electric rust preventive storage method in water-Proposal of metal parts storage using water without rust preventive agent or oil- Reviewed

    西川尚宏, 大橋一仁, 須藤将仁, 塚本真也

    環境技術   35 ( 5 )   371 - 377   2006.5

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  • Development of electric rust preventive machining method in cylindrical grinding Reviewed

    Naohiro Nishikawa, Kazuhito Ohashi, Shinya Tsukamoto, Toshikatsu Nakajima

    LEM 2005 - 3rd International Conference on Leading Edge Manufacturing in 21st Century   2005 ( 0 )   653 - 658   2005.10

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    DOI: 10.1299/jsmelem.2005.2.653

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  • Application of cavitation aided machining to micro patterning of glass

    Kazuhito Ohashi, Shinya Tsukamoto, Masaya Taguchi, Koichi Matsuoka

    Proceedings of the 20th Annual ASPE Meeting, ASPE 2005   2005.10

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  • Proposal of Electricity Rust Preventive Machining Method in Cylindrical Grinding : Antirust Effect of Workpiece in Grinding with Water Reviewed

    TSUKAMOTO Shinya, OHASHI Kazuhito, NISHIKAWA Naohiro, SUDOU Masahito, KUBO Takanori, NAKAJIMA Toshikatsu

    Journal of the Japan Society for Precision Engineering. Supplement. Contributed papers   71 ( 3 )   337 - 341   2005.3

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    The electricity rust preventive machining method is proposed to effective prevent the workpiece from rusting in the cylindrical grinding only with water. The workpiece as a cathode is preserved from rusting by supplying the electric current through the water. This method leads to the ecology machining because the water without extreme pressure agents, mineral oils and the like is used as the machining fluid. Therefore, this method saves much work for a treatment of used machining fluid. Main conclusions obtained are as follows : (1) The effective prevention from rusting for 1 hour can be achieved by the electricity rust preventive machining method in cylindrical grinding. (2) The effective rust prevention conditions of electric supplying time and current are experimentally decided in cylindrical grinding and a very few electric power is necessary for rust prevention. (3) The supply current for the rust prevention increases with increasing the voltage, the nozzle-workpiece clearance or the exposed surface area. And the turbulent flow of water interferes with the supply of the current which increased with increasing the water flow rate.

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  • Educational effects of creative thinking method in design project

    Shinya Tsukamoto, Kazuhito Ohashi, Seiichi Washio, Tashiyuki Torii, Akira Inoue

    Proceedings of the SICE Annual Conference   1055 - 1059   2005

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  • Proposal of Electricity Rust Preventive Machining Method in Cylindrical Grinding - Antirust Effect of Workpiece in Grinding with Water -

    Shinya Tsukamoto, Kazuhito Ohashi, Naohiro Nishikawa, Masahito Sudou, Takanori Kubo, Toshikatsu Nakajima

    Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering   71 ( 3 )   320 - 324   2005

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  • Minimizing Process of Surface Roughness in Grinding with Super-soft Grade Resinoid Wheel Reviewed

    K.Ohashi, S.Tsukamoto, T.Nakajima

    Proceedings of The 7th International Conference on Progress of Machining Technology   122 - 127   2004.12

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  • Transition of Form Accuracy in Cylindrical Plunge Grinding Process of Ti-Ni Alloy Reviewed

    K.Ohashi, S.Tsukamoto, Guifu HE, T.Nakajima

    Proceedings of The 7th International Conference on Progress of Machining Technology   50 - 55   2004.12

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  • Improving Process of Surface Roughness with Super-soft Grade Resinoid Bond Wheel (2nd Report) : Grinding Method Based on the Minimizing Phenomenon of Surface Roughness Reviewed

    OHASHI Kazuhito, NISHIKAWA Ryota, TSUKAMOTO Shinya, TADA Noritomo, NAKAJIMA Toshikatsu

    Journal of the Japan Society for Precision Engineering, Contributed Papers   70 ( 10 )   1291 - 1295   2004.10

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    The surface roughness decreases down to the minimum just after start of plunge grinding with a super-soft grade resinoid bond wheel, of which bonding material is prepared by the interaction of polyvinyl alcohol and thermosetting plastics. In this paper, the grinding method with the resinoid bond wheel is investigated for the finest surface finish of workpiece, based on such minimizing phenomenon of surface roughness. Main conclusions obtained in this paper are as follows : (1) The finest surface finish is obtained by spark-out grinding operation starting just at the moment on which the surface roughness of workpiece decreases down to the minimum. (2) The surface finish by this grinding operation decreases with decreasing the initial surface roughness, but the decrease in surface roughness during the spark-out grinding process increases with increasing initial surface roughness. (3) The repetition of this grinding operation without dressing makes the surface finish smaller than that by a general grinding operation with larger depth of cut before spark-out grinding.

    DOI: 10.2493/jspe.70.1291

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  • Development of Cotrolled Internal Oscillation Grinding for Optimal Geometrical Accuracy of Deep Straight Hole Reviewed

    TSUKAMOTO Shinya, OHASHI Kazuhito, YOSHIHARA Keita, YOSHIDA Tetsuhiro, NAKAJIMA Toshikatsu

    Journal of the Japan Society for Precision Engineering, contributed papers   70 ( 2 )   263 - 268   2004.2

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    In the case of internal oscillation grinding of deep straight hole which is longer than a wheel width, a workpiece is finished in a taper shape because of a larger elastic deformation of wheel spindle in grinding process. In this paper, the controlled internal oscillation grinding technique for optimal form accuracy of a deep straight hole is developed, introducing retraction grinding method in which a grinding wheel head rapidly retracts a small amount against infeed direction at the beginning of spark-out grinding. Main conclusions obtained in this paper are as follows; (1) In internal grinding of a deep straight hole with retraction motion, the setting retraction amount is decided by the wheel spindle recovery which is almost in direct proportion to the retraction amount. (2) At the optimal retraction amount finishing a workpiece to a minimum taper error, the elastic deformation of wheel spindle just after retraction motion is constant decided by the grinding system even if the plunge speed or the speed ratio are different. (3) The optimal retraction amount is decided by subtracting the above own elastic deformation of wheel spindle from the elastic deformation of wheel spindle just before the beginning of spark-out grinding process without retraction motion.

    DOI: 10.2493/jspe.70.263

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  • Retraction Grinding Method for Reducing Taper Error in Deep Hole Oscillation Grinding Reviewed

    Tsukamoto Shinya, Ohashi Kazuhito, Nakajima Toshikatsu

    Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21   2003 ( 0 )   263 - 268   2003.11

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    In this paper, the retraction grinding method, in which the grinding wheel head gets rapidly back by very small amount immediately after the beginning of spark-out state, is proposed for improving the taper error in the deep hole oscillation internal grinding. Main conclusions obtained are as follows : (1) It is made clear that by the retraction grinding method the taper error of workpiece can remarkably be improved with the fine surface roughness condition. (2) In the retraction grinding the taper generation mechanism is affected just by extending of spark-out grinding time due to a decrease of the residual stock on the stiffness of the grinding wheel and workpiece spindles. (3) By taking into account the periodic change of the normal grinding force linking to the oscillation movement, the measured taper can sufficiently be predicted.

    DOI: 10.1299/jsmelem.2003.263

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  • Development of the Electricity Rust Preventive Machining Method in Surface Grinding Reviewed

    S.Tsukamoto, N.Nishikawa, K.Okamoto, K.Ohashi

    Key Engineering Materials   257-258   483 - 488   2003.11

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  • 223 Grain Boundary Step Generation in Ultraprecision Cutting of Al-Mg Alloy Reviewed

    Ohashi K., Yoshikawa M., Tsukamoto S., Nakajima T.

    Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21   2003   327 - 332   2003.11

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    In this study, the characteristics of grain boundary step generation in practical ultraprecision cutting opreration of Al-Mg alloy are experimentally made clear by analyzing height of grain boundary step, crystal direction, surface finish, residual stress and so on. Especially, crystal direction of each crystal grain of Al-Mg alloy appearing on finished surface is decided by ECP (Electron channeling pattern) method, and relationships between crystal orientation and height of grain boundary step are investigated. Main conclusions obtained in this study are as follows : (1) The height of grain boundary step on finished surface increases with a closen crystal orientation to (1 2 4) on the stereographic projection of crystal direction of Al-Mg alloy. (2) The height of grain boundary step or the surface finish decrease with a decrease of clearance angle of cutting tool. So a cutting tool with a smaller clearance angle results in finer machined surface.

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  • Electrolytic Grinding Process for Minimizing Affected Layer (2nd Report) - Development of Electrolysis Controlled Spark-out Grinding - Reviewed

    大橋一仁, 若林永三, 藤井直人, 塚本真也, 中島利勝

    精密工学会誌   69 ( 11 )   1590 - 1594   2003.11

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    DOI: 10.2493/jjspe.69.1590

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  • Development of Cavitation Aided Machining for Finishing Fine Surface Reviewed

    K.Ohashi, S.Tsukamoto, T.Nakajima

    Proceedings of The Eighteenth Annual ASPE Meeting   2003.10

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  • Electrolytic Grinding Process for Minimizing Affected Layer (1st Report)-Characteristics of Affected Layer and its Reduction Process by Spark-out Grinding without Electrolysis- Reviewed

    大橋一仁, 若林永三, 上田晋一, 藤井直人, 塚本真也, 中島利勝

    精密工学会誌   69 ( 8 )   1129 - 1134   2003.8

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    DOI: 10.2493/jjspe.69.1129

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  • Improving Process of Surface Roughness with Super-soft Grade Resinoid Bond Wheel (1st Report)-Minimizing Phenomenon of Surface Roughness after Starting Grinding Process- Reviewed

    大橋一仁, 多田憲倫, 中沢和彦, 大川憲毅, 塚本真也, 中島利勝

    精密工学会誌   69 ( 6 )   803 - 808   2003.6

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    DOI: 10.2493/jjspe.69.803

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  • Design Project to Build up Jumping Machine and Its Educational Effects Reviewed

    TSUKAMOTO Shinya, OHASHI Kazuhito, WASHIO Seiichi, TORII Tashiyuki

    Journal of JSEE   50 ( 6 )   51 - 56   2002.11

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    This paper reports the concrete educational effects in the process of constructing "the straw leaning tower" and "the jumping machine", both of which need some specialized knowledge of the mechanical engineering. Although building up the practical objects is necessary for bringing up the students inquiry ability and creativity, the first year trial shows that it often fails without enough preparation and that constructing the ideas with the creative thinking way and the precise plan to realize them are indispensable. In the second year the practice of FD(Faculty Development) remarkably improves the both creativity of the straw leaning tower and jumping machine.

    DOI: 10.4307/jsee.50.6_51

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  • Learning of Creative Thinking Way and Its Educational Effects in Design Project Reviewed

    TSUKAMOTO Shinya, OHASHI Kazuhito, WASHIO Seiichi, TORII Tashiyuki

    Journal of JSEE   50 ( 5 )   71 - 77   2002.9

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    This report shows the practical educational effects of the design project to. build up the jumping machine through PBL(Project-Based Learning): that is the project to train the students' inquiry ability and creativity. Practically, we report in detail that the measure of the students' creativity initial value is indispensable for the students to realize the importance of the inquiry ability and creativity, and that the learning of the creative thinking way wipes out the students' perplexity and repulsion to Open-Ended Problem and improve the educational effects.

    DOI: 10.4307/jsee.50.5_71

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  • Mechanism of the Surface Finish Generation in Ultraprecision Cutting of Al-Mg Alloy. Reviewed

    中島利勝, 吉川満雄, 大橋一仁, 東本修, 金目茂孝

    精密工学会誌   68 ( 9 )   1221 - 1225   2002.9

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    DOI: 10.2493/jjspe.68.1221

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  • Dressing process of resinoid bonded wheel with YAG laser for form grinding Reviewed

    K Ohashi, T Nakajima

    PROGRESS OF MACHINING TECHNOLOGY   351 - 356   2002.9

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  • A Fundamental Study on Cavitation Aided Machining. Fundamental Ultraprecision Machining Phenomenon of Glass Surface. Reviewed

    大橋一仁, 西山耕二, 村本竜郎, 中島利勝

    精密工学会誌   67 ( 12 )   2000 - 2004   2001.12

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    DOI: 10.2493/jjspe.67.2000

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  • Ground Surface Generation Process with Super-soft Grade Resinoid Bond Wheel. Reviewed

    中島利勝, 大橋一仁, 大川憲毅, 中沢和彦, 多田憲倫

    砥粒加工学会誌   45 ( 4 )   169 - 174   2001.4

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  • Study on Material Removal Process in Electrolytic Grinding. Reviewed

    中島利勝, 大橋一仁, 上田晋一, 山下諭, 藤井直人

    精密工学会誌   67 ( 1 )   120 - 125   2001.1

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    DOI: 10.2493/jjspe.67.120

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  • Dressing of Resinoid Bond Wheel with Moving Heat Source. (4th Report). Application of YAG Laser to Form Dressing. Reviewed

    中島利勝, 大橋一仁, 川崎真一, 浜野泰幸

    精密工学会誌   65 ( 11 )   1633 - 1638   1999.11

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    DOI: 10.2493/jjspe.65.1633

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  • Grinding process for controlling coefficient of friction of AFRR V-ribbed belt Reviewed

    T Nakajima, K Ohashi

    PROGRESS OF CUTTING AND GRINDING   245 - 250   1998.10

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  • Cavitation Aided Honing(CAH). Reviewed

    中島利勝, 大橋一仁, 吉原永朗, 西山耕二

    精密工学会誌   64 ( 6 )   913 - 917   1998.6

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    DOI: 10.2493/jjspe.64.913

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  • Grinding Process of Aramid Fiber Reinforced Rubber. (5th Report). A Form Grinding Technique of V-ribbed Belt for Controlled Coefficient of Friction. Reviewed

    中島利勝, 大橋一仁, 黒川純, 大川憲毅

    精密工学会誌   63 ( 10 )   1469 - 1473   1997.10

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    DOI: 10.2493/jjspe.63.1469

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  • Grinding Process of Aramid Fiber Reinforced Rubber. (4th Report). Form Grinding Mechanism and Frictional Characteristics of V-Ribbed Belt. Reviewed

    中島利勝, 大橋一仁, 黒川純

    精密工学会誌   63 ( 9 )   1295 - 1299   1997.9

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    DOI: 10.2493/jjspe.63.1295

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  • Dressing of Resinoid Bond Wheel with Moving Heat Source. (3rd Report). Improvement of Dressing Effect with Q-switched YAG Laser. Reviewed

    中島利勝, 大橋一仁, 八木大輔

    精密工学会誌   63 ( 8 )   1153 - 1157   1997.8

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    DOI: 10.2493/jjspe.63.1153

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  • Trial of Technical Writing Education for Students of Faculty of Engineering : Failure and Success Examples and Educational Effects in Okayama University Reviewed

    NAKAJIMA Toshikatsu, TSUKAMOTO Shinya, OHASHI Kazuhito

    45 ( 3 )   46 - 51   1997.5

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  • Dressing Process of Resinoid Bonded Wheel with YAG Laser Reviewed

    T.Nakajima, K.Ohashi

    Proceedings of the Third International Conference on Progress of Cutting and Grinding   570 - 575   1996.11

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  • Crack Penetration Layer in a Single Point Diamond Grinding of Sintered Silicon Nitride. Reviewed

    中島利勝, 大橋一仁, 岡本直之, 岡本裕貴

    精密工学会誌   62 ( 9 )   1330 - 1334   1996.9

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    DOI: 10.2493/jjspe.62.1330

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  • Dressing of Resinoid Bond Wheel with Moving Heat Source. (2nd Report). Dressing Effect with YAG Laser. Reviewed

    中島利勝, 大橋一仁, SUN L X, 実盛健郎, 八木大輔

    精密工学会誌   61 ( 4 )   556 - 560   1995.4

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    DOI: 10.2493/jjspe.61.556

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  • Grinding Process of Aramid Fiber Reinforced Rubber(3rd Report). Analysis of Frictional Characteristics of Ground Surface. Reviewed

    中島利勝, 大橋一仁, 山本哲

    精密工学会誌   60 ( 11 )   1637 - 1641   1994.11

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    DOI: 10.2493/jjspe.60.1637

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  • Affected Layer in Grinding of Sialon Reviewed

    T.Nakajima, K.Ohashi

    Proceedings of the First Asia-Pacific and Second Japan-China International Conference on Progress of Cutting and Grinding   447 - 452   1994.9

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  • Grinding Process of Aramid Fiber Reinforced Rubber. (2nd Report). Projecting Fiber Left Unremoved on Ground Surface and Frictional Characteristics. Reviewed

    中島利勝, 大橋一仁, 山本哲

    精密工学会誌   60 ( 9 )   1299 - 1303   1994.9

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    DOI: 10.2493/jjspe.60.1299

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  • Dressing of Resinoid Bond Wheel with Moving Heat Source. (1st Report). Transformation of Wheel Surface with a Single Pulse Irradiation of YAG Laser. Reviewed

    中島利勝, 大橋一仁, SUN L X, 実盛健郎

    精密工学会誌   59 ( 12 )   1967 - 1972   1993.12

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    DOI: 10.2493/jjspe.59.1967

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  • Superfinishing Mechanism of Sintered Silicon Nitride. Reviewed

    中島利勝, 大橋一仁, 竹本知臣

    精密工学会誌   59 ( 9 )   1483 - 1488   1993.9

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    DOI: 10.2493/jjspe.59.1483

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  • Cutting Mechanism of Sialon with a Single Point Diamond. Reviewed

    中島利勝, 大橋一仁

    砥粒加工学会誌   37 ( 1 )   44 - 50   1993.1

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  • Grinding Process of Aramid Fiber Reinforced Rubber (1st Report). Grinding Characteristics of Matrix Rubber. Reviewed

    中島利勝, 大橋一仁, 板井豊和

    精密工学会誌   58 ( 9 )   1539 - 1544   1992.9

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    DOI: 10.2493/jjspe.58.1539

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  • Study on Cracks under Ground Surface of Sialon. Reviewed

    中島利勝, 宇野義幸, 大橋一仁

    砥粒加工学会誌   35 ( 3 )   1991.7

  • Grinding Process of Glass Fiber Reinforced Plastic. Reviewed

    中島利勝, 大橋一仁, 塚本真也, 古川竜治

    精密工学会誌   57 ( 7 )   1253 - 1258   1991.7

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    DOI: 10.2493/jjspe.57.1253

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  • A quantitative analysis of grinding process of partially stabilized zirconia. Reviewed

    中島利勝, 宇野義幸, 藤原貴典, 大橋一仁

    精密工学会誌   55 ( 1 )   167 - 172   1989.1

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    DOI: 10.2493/jjspe.55.167

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  • Cutting mechanism of partially stabilized zirconia with a single point diamond. Reviewed

    中島利勝, 宇野義幸, 藤原貴典, 大橋一仁

    精密工学会誌   54 ( 8 )   1544 - 1549   1988.8

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    DOI: 10.2493/jjspe.54.1544

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  • Cylindrical plunge grinding process of sialon. Reviewed

    中島利勝, 宇野義幸, 藤原貴典, 池尻篤則, 大橋一仁

    精密工学会誌   54 ( 7 )   1298 - 1303   1988.7

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    DOI: 10.2493/jjspe.54.1298

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Books

  • 磨削加工技术难点与测量技术

    塚本真也, 大桥一仁, 藤原贵典( Role: Joint author)

    机械工业出版社  2018 

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  • 切削・研削・研磨用語辞典

    砥粒加工学会( Role: Joint author)

    日本工業出版  2016.8  ( ISBN:9784819028134

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    Total pages:332p   Language:Japanese

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  • 機械製作要論

    鬼鞍, 宏猷, 大橋一仁( Role: Joint author)

    養賢堂  2016.3  ( ISBN:9784842505411

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  • 研削加工の計測技術 : 最新の計測技術とそのノウハウ

    塚本, 真也, 大橋, 一仁, 藤原, 貴典( Role: Joint author)

    養賢堂  2016.3  ( ISBN:9784842503738

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  • 鉄の事典

    増本, 健, 金森, 順次郎, 馬越, 佑吉, 福山, 秀敏, 友野, 宏, 中島, 英雅, 北田, 正弘, 大橋一仁( Role: Joint author)

    朝倉書店  2014.12  ( ISBN:9784254240207

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  • アクチュエータが未来を創る

    岡山大学アクチュエータ研究センター( Role: Joint author)

    産業図書  2011.11  ( ISBN:9784782841013

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  • 高校理科でわかるものづくり in 中国四国

    水本 洋, 関谷克彦, 大橋一仁, 山田啓司, 小幡文雄, 上原一剛

    (社)精密工学会中国四国支部  2010 

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  • 図解砥粒加工技術のすべて

    砥粒加工学会( Role: Joint author)

    工業調査会  2006.9  ( ISBN:4769321813

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MISC

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Presentations

  • Development of technology for anti-corruption of water-soluble grinding fluid due to ultraviolet irradiation

    Sena Hosokawa, Takanori Fujiwara, Hiroyoshi Suzuki, Yoshiki Isokane, Shunsuke Fukata, Takashi Onishi, Hiroko Tada, Chiyuu Nakano, Jyun Naohara, Itsuo Urakami, Kazuhito Ohashi

    The 26th International Symposium on Advances in Abrasive Technology (ISAAT2024)  2024.11.19 

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  • Study on Performance Degradation of Water-Soluble Grinding Fluids Due to Corruption and Methods for Its Prevention

    Sena Hosokawa, Takanori Fujiwara, Hiroyoshi Suzuki, Yoshiki Isokane, Shunsuke Fukata, Takashi Onishi, Hiroko Tada, Chiyuu Nakano, Jyun Naohara, Itsuo Urakami, Kazuhito Ohashi

    The 26th International Symposium on Advances in Abrasive Technology (ISAAT2024)  2024.11.19 

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    Event date: 2024.11.17 - 2024.11.20

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  • 勾配ブースティング手法を援用したボールエンドミル工具摩耗状態判定システムの開発

    児玉紘幸, 鈴木 誠, 大橋一仁

    第20回国際工作機械技術者会議(IMEC2024)  2024.11.8 

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    Event date: 2024.11.5 - 2024.11.10

    Language:Japanese   Presentation type:Symposium, workshop panel (public)  

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  • 超仕上過程におけるAE波の実験的検討

    大橋一仁, 張 毅, 玉置巧実, 児玉紘幸

    日本機械学会第15回 生産加工・工作機械部門講演会  2024.10.5 

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  • Study on Grinding Surface Temperature of Workpiece in Thrust Grinding Process

    Lingxiao GAO, Motoki KUIDA, Hiroyuki KODAMA, Kazuhito OHASHI

    2024.9.12 

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  • 熱可塑性樹脂ボンド砥⽯の組織制御に関する研究(第1報) −ボンド粒⼦径と気孔率との関係−

    村尾大地, 坂井考三, 児玉紘幸, 大橋一仁

    2024年度精密工学会秋季大会学術講演会  2024.9.6 

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  • カーボンニュートラルを志向する超硬の正面研削作業におけるCO2 発生量の推定

    藤原貴典, 堀口晋平, 原 昂世, 大西孝, 大橋一仁

    2024年度精密工学会秋季大会学術講演  2024.9.6 

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  • 円筒プランジ研削における砥⽯作業⾯トポグラフィによる仕上⾯プロフィル発現機構(第1報) −砥⽯作業⾯トポグラフィと仕上⾯プロフィルとの関係−

    戎谷俊慶, 児玉紘幸, 大橋一仁

    2024年度精密工学会秋季大会学術講演会  2024.9.6 

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  • 研削抵抗分布解析による歯厚の異なるカップ型ダイヤモンド電着砥石を用いた超硬の正面研削加工プロセスの実験的検討

    藤原貴典, 堀口晋平, 原 昂世, 大西孝, 大橋一仁

    2024年度精密工学会秋季大会学術講演会  2024.9.6 

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  • 紫外線照射による⽔溶性クーラントの腐敗防⽌技術の開発(第2報) −腐敗防⽌の効果−

    細川晟那, 藤原貴典, 鈴木裕由, 礒金喜樹, 深田竣介, 大西孝, 多田宏子, 中野知佑, 猶原順, 浦上逸男, 大橋一仁

    2024年度精密工学会秋季大会学術講演会  2024.9.6 

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  • 紫外線照射による水溶性クーラントの腐敗防止技術の開発(第1 報)−紫外線照射の効果−

    細川晟那, 藤原貴典, 鈴木裕由, 礒金喜樹, 深田竣介, 大西孝, 多田宏子, 中野知佑, 猶原順, 浦上逸男, 大橋一仁

    2024年度精密工学会秋季大会学術講演会  2024.9.6 

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  • 勾配ブースティング手法を援用したボールエンドミル工具寿命判定システムの開発

    鈴木 誠, 児玉紘幸, 大橋一仁

    2024年度精密工学会秋季大会学術講演会  2024.9.5 

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    Event date: 2024.9.4 - 2024.9.6

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  • 立形ロータリドレッサによる超砥粒砥石のドレッシングに関する研究(第1報) −砥石表面への砥粒干渉機構の理論的解析−

    中内亮太, 太田惠三, 東江眞一, 児玉紘幸, 大橋一仁

    2024年度砥粒加工学会学術講演会(ABTEC2024)  2024.8.26 

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    Event date: 2024.8.26 - 2024.8.28

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • スラスト研削における仕上⾯への熱影響に関する研究(第1報)─ 研削温度の変化過程 ─

    高凌霄, 柆田元希, 児玉紘幸, 大橋一仁

    2024年度精密工学会春季大会学術講演会  2024.3.12 

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    Event date: 2024.3.12 - 2024.3.14

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • SiC リングの超仕上げ加工における加工因子が被削材平坦度に及ぼす影響の検討

    松野翔太, 児玉紘幸, 大橋一仁

    2023年度精密工学会中国四国支部・九州支部共催広島地方講演会  2023.12.9 

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    Event date: 2023.12.9

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • データマイニングを援用した穴あけ加工における加工面粗さの予測に関する研究

    下津遥河, 児玉紘幸, 高見昭康, 山本泰三, 大橋一仁

    2023年度精密工学会中国四国支部・九州支部共催広島地方講演会  2023.12.9 

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    Event date: 2023.12.9

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • 切削油温によるCNC旋盤のタレットにおける熱変形の検討

    中原 麦, 江口真生, 白神大資, 本田康太, 三宅成人, 児玉紘幸, 大橋一仁

    2023年度精密工学会中国四国支部・九州支部共催広島地方講演会  2023.12.9 

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    Event date: 2023.12.9

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  • 熟練技能者のボールエンドミル摩耗判定基準の実験的解明

    藤原一登, 小林 咲, 児玉紘幸, 大橋一仁

    2023年度精密工学会中国四国支部・九州支部共催広島地方講演会  2023.12.9 

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    Event date: 2023.12.9

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  • 熱可塑性樹脂ボンド砥石によるアルミナ系セラミックス基板の研磨加工に関する研究−第1 報:試作砥石の研磨性能−

    二宮知己, 林 潤一, 井手大介, 福岡昭弘, 児玉紘幸, 大橋一仁

    2023年度精密工学会秋季大会学術講演会  2023.9.14 

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    Event date: 2023.9.13 - 2023.9.15

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • アンサンブル学習手法を応用した難削材加工における研削性能予測システムの構築

    木村俊介, 渡邊勇太, 児玉紘幸, 大橋一仁

    2023年度砥粒加工学会学術講演会(ABTEC2023)  2023.8.30 

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    Event date: 2023.8.28 - 2023.8.30

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  • CFRPのドライアイスジェット援用乾式研削における切りくず除去へのドライアイス昇華特性の影響

    段王春輝, 山﨑一志, 余田裕之, 児玉紘幸, 大橋一仁

    2023年度砥粒加工学会学術講演会(ABTEC2023)  2023.8.30 

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    Event date: 2023.8.28 - 2023.8.30

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • カップ型複層砥石を用いた超硬の正面研削における 研削抵抗分布と仕上げ面粗さへの影響

    堀口晋平, 藤原貴典, 小松原凌, 大西孝, 児玉紘幸, 大橋一仁, 前田知洋

    2023年度砥粒加工学会学術講演会(ABTEC2023)  2023.8.29 

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    Event date: 2023.8.28 - 2023.8.30

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • アブレイシブジェットを用いた総形ビトリファイドcBN砥石のドレッシングに関する研究

    中内亮太, 是澤律秀, 児玉紘幸, 大橋一仁

    2023年度砥粒加工学会学術講演会(ABTEC2023)  2023.8.28 

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    Event date: 2023.8.28 - 2023.8.30

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • データマイニングを活用したボールエンドミル切削条件最適化手法の開発

    児玉紘幸, 盛元達雄, 喜多大輔, 大橋一仁

    第19回国際工作機械技術者会議(IMEC2022) 

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    Event date: 2022.11.8 - 2022.11.13

    Language:Japanese   Presentation type:Poster presentation  

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  • 超仕上における砥石の組織構造を考慮した加工特性の検討

    張 毅, 竹谷和真, 大橋一仁

    日本機械学会第14回生産加工・工作機械部門講演会  2022.10.7 

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    Event date: 2022.10.7 - 2022.10.8

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  • 超硬の正面研削における研削液供給法が及ぼす研削抵抗および研削抵抗分布への影響

    藤原貴典, 小松原 凌, 堀口晋平, 大橋一仁, 児玉紘幸, 大西 孝, 前田知洋

    日本機械学会2022 年度年次大会  2022.9.12 

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    Event date: 2022.9.11 - 2022.9.14

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • 研削加工技術の現状と将来 Invited

    大橋一仁

    GTJカンファレンス2022  2022.3.8 

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    Event date: 2022.3.8 - 2022.3.11

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • SiCセラミックスの研磨面性状の定量評価と表面機能の調整 Invited

    大橋一仁

    (公社)砥粒加工学会 研削・研磨盤の高度化(GAP)専門委員会 第28回研究会  2021.7.7 

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    Event date: 2021.7.7

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • 3Dプリンティング技術を適用したメカニカルシールの研究

    根岸雄大, 瀧ヶ平宜昭, 前谷優貴, 上村訓右, 大橋一仁

    トライボロジー会議2021春 東京  2021.5.24 

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    Event date: 2021.5.24 - 2021.5.26

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • 研削液膜厚センサーの開発と研削焼け発⽣条件の検討

    礒金喜樹, 藤原貴典, 大橋一仁

    2021年度精密工学会春季大会学術講演会  2021.3.16 

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    Event date: 2021.3.16 - 2021.3.18

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • 円筒プランジ研削におけるびびり振動現象に関する研究 〜⼯作物系の振動モードの遷移〜

    吉田高太, 大橋一仁, 児玉紘幸

    2021年度精密工学会春季大会学術講演会  2021.3.16 

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    Event date: 2021.3.16 - 2021.3.18

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Additive Manufacturing技術を活かしたContainment Sealの創製

    瀧ヶ平宜昭, 前谷優貴, 上村訓右, 大橋一仁

    2021年度精密工学会春季大会学術講演会  2021.3.16 

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    Event date: 2021.3.16 - 2021.3.18

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  • 超仕上げにおける砥石欠損機構の検討

    牛 暁楠, 北川貴一, 伏原慎二, 大橋一仁

    日本機械学会中国四国支部第59期講演会  2021.3.5 

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    Event date: 2021.3.5

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  • 平面研削における大径砥石の砥粒先端形状の評価に関する研究

    松野和馬, 大西孝, 原田真, 小原達也, 馬場信介, 前島巧, 大橋一仁

    日本機械学会中国四国支部第59期講演会  2021.3.5 

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  • ランダムフォレスト手法により構築された研削砥石要素決定支援システムの実験的検証

    渡邊勇太, 妻鳥尭生, 児玉紘幸, 大橋一仁

    砥粒加工学会 先進テクノフェア (ATF2021) 卒業研究発表会  2021.3.3 

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    Event date: 2021.3.3

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  • Estimation of workpiece diameter without sizing gage in cylindrical plunge grinding

    大西孝, 村田祐樹, 坂倉守昭, 藤原昂平, 藤原昂平, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2020 

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  • Abrasive Jet Dressing of Vitrified Bond cBN Wheel

    和田大智, 児玉紘幸, 渡邊健一, 鈴江隆幸, 大久保直哉, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2020 

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  • Grinding characteristics of thermoplastic resinoid bond wheel for grinding of SiC wafer with behavior of abrasives

    福嶋洋志, 小川和範, 坂井孝三, 児玉紘幸, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2020 

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  • Interpolation Prediction for Grinding Wheel Decision Support System Using Random Forest

    妻鳥尭生, 児玉紘幸, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2020 

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  • SiCセラミックスの超音波小径穴あけ加工に関する基礎的研究

    三宅克生, 児玉紘幸, 大橋一仁

    日本機械学会中国四国支部総会・講演会講演論文集(CD-ROM)  2020 

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  • Development of Intelligent Grinding System Considering Thermal Deformation of Workpiece in Cylindrical Grinding

    大西孝, 坂倉守昭, 藤原昂平, 大橋一仁

    日本機械学会年次大会講演論文集(CD-ROM)  2019 

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  • 熱可塑性樹脂ボンド砥石による単結晶SiCウェハの研削特性

    小川和範, 高凌霄, 坂井孝三, 児玉紘幸, 大橋一仁

    精密工学会大会学術講演会講演論文集  2019 

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  • アブレイシブジェットによるマイクロ形状制御パターニング 第2報:スリットによる微細スロープ動圧溝の高精度化

    和田大智, 中前翔太, 児玉紘幸, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2019 

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  • 総形単層メタルボンドダイヤモンド砥石の砥粒配置に関する研究(続報)-総形研削の除去量を考慮した最適砥粒分布の検討-

    吉田高太, 辰本大輔, 児玉紘幸, 大橋一仁

    精密工学会大会学術講演会講演論文集  2019 

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  • Improvement of the thermal deformation of the CNC lathe machine caused by the rotation of the spindle

    片山智仁, 大西孝, 赤井智大, 末竹孝全, 村木亮一, 三宅成人, 大橋一仁

    日本機械学会生産加工・工作機械部門講演会(CD-ROM)  2019 

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  • 研削液へのアルカリ高周波還元水の適用に関する研究

    高山一登, 児玉紘幸, 北島厳, 大橋一仁

    日本機械学会中国四国支部総会・講演会講演論文集(CD-ROM)  2019 

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  • CFRPの研削加工に及ぼす研削雰囲気の影響

    岡崎真吾, JIANG Yifan, 児玉紘幸, 余田裕之, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2019 

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  • 内面研削における砥石の形状補正を用いた微小テーパ加工法の開発

    大西孝, 中林優介, 坂倉守昭, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2019 

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  • CFRPの研削加工における熱影響のシミュレーション

    JIANG Yifan, 児玉紘幸, 余田裕之, 大橋一仁

    精密工学会大会学術講演会講演論文集  2018 

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  • Minimization of dimensional error using simulation analysis of workpiece thermal deformation during cylindrical grinding

    藤原昂平, 大西孝, 坂倉守昭, 岡上拓央, 大橋一仁

    日本機械学会生産加工・工作機械部門講演会(CD-ROM)  2018 

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  • 超仕上げにおける目づまり過程の観察

    伴野真一, 大西孝, 牟田宏平, 北川貴一, 大橋一仁

    日本機械学会中国四国支部総会・講演会講演論文集(CD-ROM)  2017 

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  • 重回帰分析を用いたCNC旋盤の熱変位挙動の推定

    牧野雄太, 大西孝, 大橋一仁, 下田陽一朗, 末竹孝全, 山田憲一, 三宅成人

    日本機械学会中国四国支部総会・講演会講演論文集(CD-ROM)  2017 

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  • 微粉ドライアイスブラストによるカーボン研削砥石の目詰まり切りくず除去法 第2報:砥石の切れ味の検討

    片山雄登, 太田佑樹, 児玉紘幸, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2017 

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  • アブレイシブジェットによるマイクロ形状制御パターニング 深さの連続変化するヘリングボーンジャーナル溝の加工

    中前翔太, 原田真志, 児玉紘幸, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2017 

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  • 長尺円筒工作物のトラバース研削のシミュレーション解析

    川口直紀, 坂倉守昭, 大西孝, 高島哲平, 高島哲平, 坂本晃一, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2017 

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  • 水のアルカリ還元処理による研削面粗さ低減効果

    杉森勇介, 北島厳, 大橋一仁

    日本機械学会中国四国支部総会・講演会講演論文集(CD-ROM)  2017 

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  • 内面研削における砥石変形と形状精度のシミュレーション解析

    横山真平, 坂倉守昭, 大西孝, 西空也, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2017 

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  • 長尺工作物の円筒トラバース研削における形状推定法 砥石軸モータ電力より推定した工作物形状

    坂本晃一, 大西孝, 坂倉守昭, 高島哲平, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2017 

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  • 単層メタルボンドダイヤモンド砥石の砥粒配置に関する研究(第1報)-静電場を用いた総形砥石の砥粒密度分布の制御-

    辰本大輔, 渡邉智, 児玉紘幸, 大橋一仁

    精密工学会大会学術講演会講演論文集  2017 

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  • 熱可塑性樹脂を結合剤とする研削砥石に関する研究(第1報)-結合剤の粘弾性と研削性能-

    GAO Lingxiao, 坂勇一, 藤野英利, 黒川岳, 伊東宏, 坂井孝三, 大橋一仁

    精密工学会大会学術講演会講演論文集  2017 

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  • 円筒プランジ研削における工作物熱変形量のシミュレーション解析を用いた寸法精度の改善-砥石周速度を変更した研削条件における寸法精度の検証-

    岡上拓央, 大西孝, 坂倉守昭, 大橋一仁

    精密工学会大会学術講演会講演論文集  2017 

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  • 超硬の正面研削における砥石作用面上に発現する研削抵抗分布に関する研究

    藤原貴典, 平松弘大, 橋口拓郎, 大西孝, 大橋一仁, 塚本真也

    精密工学会大会学術講演会講演論文集  2017 

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  • 高アスペクト比を有する砥石を用いた内面研削における形状精度の改善

    大西孝, 西空也, 坂倉守昭, 大橋一仁

    精密工学会大会学術講演会講演論文集  2017 

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  • 単層メタルダイヤモンド砥石の砥粒密度制御法に関する基礎的研究 総形砥石表面近傍の静電場によるダイヤモンド砥粒の飛翔現象の検討

    渡邉智, 大橋一仁, 角田悠輔, 塚本真也

    精密工学会大会学術講演会講演論文集  2016 

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  • 研削中の工作物熱変形挙動を考慮した知能化研削システムの開発

    大西孝, 坂倉守昭, 藤山泰弘, 藤山泰弘, 岡上拓央, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2016 

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  • CNC旋盤における熱変形挙動の解明

    梯大悟, 大西孝, 大橋一仁, 下田陽一朗, 末竹孝全, 山田憲一, 三宅成人

    日本機械学会生産加工・工作機械部門講演会(CD-ROM)  2016 

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  • 円筒研削面粗さの高速オンマシン評価法におけるワーク条件の影響とセンサ構造の提案

    高橋雄大, 大橋一仁, 丹和也, 塚本真也

    日本機械学会中国四国支部総会・講演会講演論文集(CD-ROM)  2016 

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  • 微粉ドライアイスブラストによるカーボン研削砥石の目詰まり切りくず除去法 第1報:最適ブラストノズルパスの検討

    太田佑樹, 大橋一仁

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2016 

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  • 縦軸正面研削の研削抵抗分布と寸法生成過程に関する研究

    藤原貴典, 平松弘大, 大橋一仁, 大西孝, 塚本真也

    日本機械学会年次大会講演論文集(CD-ROM)  2015 

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  • 円筒ブラスト加工による形状制御パターニングの研究

    原田真志, 大橋一仁, 塚本真也

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2015 

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  • 円筒研削における工作物熱変形量を考慮した加工システムの開発 種々の研削条件における寸法精度の検証

    大西孝, 坂倉守昭, 藤山泰弘, 大橋一仁, 塚本真也

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2015 

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  • 一方向凝固複合材料のスパークアウト研削機構

    竹下亮佑, 大橋一仁, 和久芳春, 藤原貴典, 塚本真也

    精密工学会大会学術講演会講演論文集  2015 

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  • 長尺工作物の円筒トラバース研削における形状誤差の改善 砥石周速度が加工精度に与える影響

    高島哲平, 大西孝, 坂倉守昭, 大橋一仁, 塚本真也

    精密工学会大会学術講演会講演論文集  2015 

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  • 圧粉磁心の各種特性に影響する加工条件に関する研究

    上野友之, 徳岡輝和, 大橋一仁, 塚本真也

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2014 

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  • 円筒プランジ研削における寸法精度の向上-工作物熱変形量を考慮した加工システムの開発-

    藤山泰弘, 大西孝, 坂倉守昭, 大橋一仁, 塚本真也

    精密工学会大会学術講演会講演論文集  2014 

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  • CFRPの研削点における熱環境と熱伝達特性の検討

    谷良祐, 大橋一仁, 藤原良平, 吉川満雄, 窪田真一郎, 塚本真也

    精密工学会大会学術講演会講演論文集  2014 

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  • 微粉ドライアイスブラストによるダイヤモンド砥石のカーボン目詰まり切りくず除去効果

    村川宗治郎, 大橋一仁, 塚本真也

    精密工学会大会学術講演会講演論文集  2014 

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  • 長尺工作物の変形挙動を考慮した円筒トラバース研削

    大西孝, 小谷拓也, 大橋一仁, 坂倉守昭, 塚本真也

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2014 

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  • 超仕上における加工抵抗動的成分を用いた加工状態の判定

    森中洋平, 大橋一仁, 東晃平, 大西孝, 塚本真也

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2014 

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  • 長尺工作物の円筒トラバース研削における形状誤差要因の解明

    大西孝, 小谷拓也, 大橋一仁, 松原大輔, 坂倉守昭, 塚本真也

    精密工学会大会学術講演会講演論文集  2014 

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  • 円筒研削面粗さの高速オンマシン評価法における最適条件の検討

    丹和也, 大橋一仁, 高橋雄大, 塚本真也

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2014 

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  • 総形単層メタルボンドダイヤモンド砥石の砥粒密度分布の生成に関する研究

    藤村涼太, 大橋一仁, 塚本真也, 小川壮真

    精密工学会大会学術講演会講演論文集  2014 

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  • 吸引キャビテーション援用砥粒加工法によるデバリング効果

    前田夕斗, 大橋一仁, NAN Lu, NAN Lu, 塚本真也

    日本機械学会年次大会講演論文集(CD-ROM)  2013 

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  • S133015 Study on the Causes of Dimension Error in Surface Grinding with a Large Grinding Machine : Simulation Analysis of Workpiece Temperature Distribution during Grinding

    NAKANO Yusuke, ONISHI Takashi, SAKAKURA Moriaki, SAKANE Tsuyoshi, HARADA Makoto, ISOBE Sho, OHASHl Kazuhito, TSUKAMOTO Shinya

    The Proceedings of Mechanical Engineering Congress, Japan  2013  The Japan Society of Mechanical Engineers

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    In surface grinding, the thermal deformation of a ground workpiece results in shape error. To obtain the high accuracy of the ground workpiece, it is important to understand the temperature distribution of the workpiece during grinding. However the temperature distribution of a large workpiece is not understood enough. Therefor in this study, a simulation analysis of the large workpiece is developed. The workpiece of about 1.3 tons in weight which is used as a machine tool bed was prepared for this study. In the developed simulation analysis method, the time variation of temperature distribution is calculated with finite element method. The grinding heat that transfers into the workpiece is estimated by measuring the grinding power during grinding. To evaluate validity of the method, in-process measurements of the temperature distribution were carried out. The temperature distribution was measured with thermistors put into many places of the ground workpiece. The simulated results agree well with the in-process measured temperature distribution.

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  • 円筒研削における工作物熱変形量のシミュレーション解析-研削動力から推定した研削抵抗による熱変形量の算出-

    佐藤直樹, 大西孝, 坂倉守昭, 和田洋平, SUN Xiaonan, 大橋一仁, 塚本真也

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2012 

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  • ダイヤモンド砥粒の飛翔現象を用いた砥粒配列制御砥石の試作

    田中聖也, 大橋一仁, 塚本真也, 新治好史

    精密工学会大会学術講演会講演論文集  2012 

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  • 円筒研削における研削動力の測定による研削抵抗の推定

    大西孝, 坂倉守昭, 佐藤直樹, 大橋一仁, 塚本真也

    精密工学会大会学術講演会講演論文集  2012 

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  • 超仕上における加工状態のインプロセスモニタリング-加工抵抗比による加工状態の把握-

    山下真語, 大西孝, 大橋一仁, 東晃平, 井口貴裕, 山本亮介, 塚本真也

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2012 

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  • MGCの材料異方性による円筒プランジ研削特性への影響

    西村和徳, 大橋一仁, 杉山信, 和久芳春, 藤原貴典, 塚本真也

    精密工学会大会学術講演会講演論文集  2012 

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  • 正面研削におけるカップ型砥石作用面上の研削抵抗分布

    若林稔文, 藤原貴典, 原田泰典, 大西孝, 大橋一仁, 塚本真也

    精密工学会大会学術講演会講演論文集  2012 

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  • E34 Development of machining system considering thermal deformation of workpiece in cylindrical plunge grinding

    ONISHI Takashi, SAKAKURA Moriaki, SATO Naoki, KODANI Takuya, Sun XIANONAN, OHASHI Kazuhito, TSUKAMOTO Shinya

    The Proceedings of The Manufacturing & Machine Tool Conference  2012  The Japan Society of Mechanical Engineers

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    In cylindrical plunge grinding, thermal deformation of a workpiece adversely affects the dimensional accuracy. Therefore it is very important to consider the thermal deformation during grinding process. We developed a new machining system to predict the stock removal of workpice after the ground workpiece is cooled down. In this system, the thermal deformation is estimated and added to the gauged stock removal of workpiece and the real stock removal after cooling is predicted during grinding. Grinding experiments were carried out to verify the dimensional accuracy predicted with the system.

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  • ブラスト加工による円筒面への微細溝パターニング

    藤原政宏, 大橋一仁, 曽我部英介, LU Nan, 大西孝, 塚本真也

    砥粒加工学会学術講演会講演論文集(CD-ROM)  2012 

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  • カーボンの乾式正面研削におけるドレス切れ味回復プロセ高能率化

    高田雄矢, 大橋一仁, 塚本真也

    日本機械学会中国四国支部総会・講演会講演論文集(CD-ROM)  2012 

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  • 静電気によるダイヤモンド砥粒飛翔特性

    新治好史, 大橋一仁, 田中聖也, 塚本真也, WHEEL Kure Grinding, 鮫島芳隆, 小川壮真

    精密工学会大会学術講演会講演論文集  2011 

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  • 吸引キャビテーション流を利用したガラスの精密砥粒加工におけるワーク回転とオフセットの効果

    中村裕之, LU Nan, 大橋一仁, 塚本真也

    日本機械学会中国四国支部総会・講演会講演論文集  2011 

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  • 円筒プランジ研削における熱変形量のインプロセス予測システムの開発

    大西孝, 坂倉守昭, 和田洋平, 谷村賢彦, 大橋一仁, 塚本真也

    精密工学会大会学術講演会講演論文集  2011 

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  • キャビテーションを利用した金型のマイクロ砥粒加工法に関する研究

    清水章広, LU Nan, 大橋一仁, 塚本真也

    日本機械学会中国四国支部総会・講演会講演論文集  2011 

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  • 円筒プランジ研削における工作物熱変形量のシミュレーション解析-研削動力からの工作物温度分布の推定-

    大西孝, 坂倉守昭, 和田洋平, 大橋一仁, 塚本真也

    精密工学会大会学術講演会講演論文集  2011 

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  • 円筒材料へのブラスト加工特性と微細溝加工

    曽我部英介, 大橋一仁, LU Nan, 藤原政宏, 大西孝, 塚本真也

    砥粒加工学会学術講演会講演論文集  2011 

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  • 高アスペクト比砥石を用いた内面研削における寸法生成過程の解明

    山本雄也, 大西孝, 大橋一仁, 塚本真也, 坂倉守昭

    精密工学会大会学術講演会講演論文集  2011 

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  • 水道水のアルカリ性電解・高周波還元処理による研削性能への影響

    本位田和之, 大橋一仁, 射場進一, 北島巖, 塚本真也

    砥粒加工学会学術講演会講演論文集  2011 

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  • 11-215 Remarkably improved education method of engineering design ability : Education effects of "Systematic Training Method" from undergraduate to postgraduate students

    TUSKAMOTO Shinya, OHASHI Kazuhito

    Proceedings of Annual Conference of Japanese Society for Engineering Education  2011  Japanese Society for Engineering Education

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    Language:Japanese  

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  • 超仕上過程のモニタリング技術の開発

    井口貴裕, 大西孝, 大橋一仁, 東晃平, 塚本真也

    砥粒加工学会学術講演会講演論文集  2011 

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  • CFRPの研削面特性に及ぼす加工雰囲気の影響

    前野隼人, 大橋一仁, 窪田真一郎, 塚本真也

    精密工学会大会学術講演会講演論文集  2011 

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  • 高アスペクト比砥石を用いた内面研削に関する研究-形状誤差生成過程の解明と砥石の形状補正による形状精度の改善-

    山本雄也, 大西孝, 大橋一仁, 坂倉守昭, 塚本真也

    砥粒加工学会学術講演会講演論文集  2011 

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  • 円筒研削における工作物熱変形量のシミュレーション解析技術の開発-工作物表面温度のインプロセス測定結果を用いた研削エネルギの推定-

    大西孝, 坂倉守昭, 和田洋平, 谷村賢彦, 大橋一仁, 塚本真也

    砥粒加工学会学術講演会講演論文集  2011 

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  • カーボン繊維強化プラスチックの研削機構に関する研究

    藤井秀幸, 大橋一仁, 塚本真也, 吉川満雄, 窪田真一郎

    精密工学会春季大会学術講演会講演論文集  2010 

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  • 816 Application of High-frequency Reduced Water to Coolant

    UEDA Yutaro, OHASHI Kazuhito, TSUKAMOTO Shinya, SUZUKI Keiji, OHIKE Kazutoshi

    The Proceedings of Conference of Chugoku-Shikoku Branch  2010  The Japan Society of Mechanical Engineers

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  • 815 Study on the Cutting Mechanism of Fiber with Thin Blade

    HIROE Takuya, OHASHI Kazuhito, TSUKAMOTO Shinya

    The Proceedings of Conference of Chugoku-Shikoku Branch  2010  The Japan Society of Mechanical Engineers

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    Language:Japanese  

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  • ダイヤモンドホイールの砥粒配列法に関する基礎的研究

    川筋雄作, 大橋一仁, 塚本真也, 鮫島芳隆, 小川壮真

    精密工学会春季大会学術講演会講演論文集  2009.3 

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  • 乾式カーボン研削における目詰まり砥石のドレスレス切れ味回復法 第2報:研削テストによる切れ味回復性能の評価

    住元洋輔, 大橋一仁, 藤田裕也, 塚本真也

    砥粒加工学会学術講演会講演論文集  2009 

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  • 813 Study on the high accuracy turuing of the extremely small diameter wheel : Evaluation of surface texture on the wheel

    MATSUOKA Junichi, HASEGAWA Hiroyuki, OHASHI Kazuhito, TSUKAMOTO Shinya, Kuroe TAKAMITSU

    The Proceedings of Conference of Chugoku-Shikoku Branch  2009  The Japan Society of Mechanical Engineers

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    Language:Japanese  

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  • 吸引キャビテーション流を利用した砥粒加工法に関する研究(第1報)-新しいキャビテーション発生方法と加工特性-

    WANG Rongjun, 大橋一仁, 長谷川裕之, 塚本真也

    砥粒加工学会学術講演会講演論文集  2007 

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  • 4-216 The Experiment for Development of Creativity in Mechanical Engineering:: Approach to the development of creativity dealing with the surface roughness

    OHASHI Kazuhito, HASEGAWA Hiroyuki, SEKI Masanori, OKAMOTO Yasuhiro, TSUKAMOTO Shinya

    Proceedings of Annual Conference of Japanese Society for Engineering Education  2006  Japanese Society for Engineering Education

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    Language:Japanese  

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  • 研削加工における表面粗さのインプロセス測定(第2報)-工作物表面温度変化を考慮したインプロセス測定の試み-

    永田龍, 大橋一仁, 長谷川裕之, 塚本真也

    精密工学会大会学術講演会講演論文集  2006 

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  • 研削加工における表面粗さのインプロセス測定 (第1報)-表面粗さ測定の原理と特性-

    樫原征男, 大橋一仁, 塚本真也, 藤原匡永

    精密工学会大会学術講演会講演論文集  2005 

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  • 13-220 University Career Education required for the Job Market:: The Gap between the Performance of Academic Special Subjects and the Personnel needed in Company

    TSUKAMOTO Shinya, OHASHI Kazuhito, TOTSUJI Hiroo, INABA Hideo, YAMADA Hidenori, YANASE Shinichiro

    Proceedings of Annual Conference of Japanese Society for Engineering Education  2005  Japanese Society for Engineering Education

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  • 特色GP事業における「日本語力教育と発想力教育」の推進

    塚本真也, 東辻浩夫, 稲葉英男, 大橋一仁, 長谷川裕之, 妹尾里津子

    精密工学会大会学術講演会講演論文集  2005 

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  • 3-211 Effective Teaching Methods in the Education of Japanese Communication:: Exhaustive Workshop Training for the Lack of Composition Exercise between Elementary School and High School

    TSUKAMOTO Shinya, OHASHI Kazuhito, TOTSUJI Hiroo, INABA Hideo, YAMADA Hidenori, YANASE Shinichiro

    Proceedings of Annual Conference of Japanese Society for Engineering Education  2005  Japanese Society for Engineering Education

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  • 電気防錆水中保管法の提案とその防錆効果-被削材のローエミッション型保管法の開発-

    塚本真也, 西川尚宏, 須藤将仁, 大橋一仁, 中島利勝

    精密工学会大会学術講演会講演論文集  2003 

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  • 研削温度のインプロセス計測法の提案

    塚本真也, 大橋一仁, 西川尚宏

    精密工学会大会学術講演会講演論文集  2003 

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  • Proposal of Electricity Rust Preventive Machining to Realize Ultimate Low Pollution : Development of Electricity Rust Preventive Machining in Internal Grinding

    TSUKAMOTO Shinya, NISHIKAWA Naohiro, OHASHI Kazuhito, YOSHIWARA Keita

    The Proceedings of Conference of Kyushu Branch  2003  The Japan Society of Mechanical Engineers

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  • エコマシニングを実現する電気防錆加工法の原理とその効果-円筒研削における電気防錆加工法の開発-

    塚本真也, 西川尚宏, 須藤将仁, 久保孝典, 大橋一仁, 中島利勝

    精密工学会大会学術講演会講演論文集  2003 

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    Event date: 2003

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  • 平面研削における電気防錆加工法の開発-プール型電極法による完全防錆研削加工の実現-

    塚本真也, 岡本和大, 西川尚宏, 大橋一仁, 実川香織

    精密工学会大会学術講演会講演論文集  2003 

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  • 内面研削における電気防錆加工法の開発-外輪型電極法によるエコマシニングの提案-

    塚本真也, 吉原啓太, 西川尚宏, 大橋一仁

    精密工学会大会学術講演会講演論文集  2003 

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  • Training of Students’ Creativity-Practical Examples of Developing Creativity in University Education and Teaching Effects-

    塚本真也, 大橋一仁

    自動制御連合講演会講演論文集  2003 

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  • 創成科目の体系的な教育方法とは?-モノ創製における最大の盲点を克服する発想ツールの学習-

    塚本真也, 大橋一仁

    精密工学会大会学術講演会講演論文集  2003 

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  • 電解研削における加工変質層低減プロセスに関する研究 (第2報) 最適スパークアウト研削法の検討

    大橋一仁, 塚本真也, 若林永三, 末永周一, 藤井直人, 中島利勝

    精密工学会大会学術講演会講演論文集  2002 

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  • Al-Mg合金の超精密切削面粗さの創成要因に関する研究 (第3報) 結晶粒界段差に及ぼす工具逃げ角の影響

    中島利勝, 大橋一仁, 吉川満雄, 金目茂孝, 鈴木崇功

    精密工学会大会学術講演会講演論文集  2000 

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    Event date: 2000

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  • キャビテーション援用ホーニング加工の仕上面創成特性

    中島利勝, 大橋一仁, 西山耕二, 村本竜郎

    精密工学会大会学術講演会講演論文集  1999 

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  • Dressing characteristics of form resinoid grinding stone by YAG laser.

    中島利勝, 大橋一仁, 川崎真一, 浜野泰幸

    精密工学会九州支部・中国四国支部講演会講演論文集  1998 

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  • Research on cavitation support precision machining by supending abrasive grain.

    中島利勝, 大橋一仁, 吉原永朗, 西山耕二

    精密工学会大会学術講演会講演論文集  1997 

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  • Researches on factors of roughness generation on Al-Mg alloy ultra-precision cutting surface . (Sequel). Experimental examination on a grain boundary level difference.

    中島利勝, 大橋一仁, 吉川満雄, 東本修, 金目茂孝

    精密工学会大会学術講演会講演論文集  1997 

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  • Researches on factors for generation of extra-precision cutting surface roughness on Al-Mg alloy.

    中島利勝, 大橋一仁, 吉川満雄, 東本修

    精密工学会九州支部・中国四国支部講演会講演論文集  1996 

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  • (11)大学における「技術文章学(TW)」教育の試み(第3セッション 教育システム(III)):: 岡山大学でのTWカリキュラムの実施研究

    中島 利勝, 塚本 真也, 大橋 一仁

    工学・工業教育研究講演会講演論文集  1996  公益社団法人 日本工学教育協会

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  • Research on grinding of aramid fibre reinforced rubber. (4th report). Adjustment of frictional property of V ribbed belt by in-process measurement system.

    中島利勝, 大橋一仁, 黒川純, 大川憲毅

    精密工学会大会学術講演会講演論文集  1996 

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  • Dressing of Resinoid Bond Wheel with YAG Laser.

    中島利勝, 大橋一仁, 八木大輔, 実盛健郎, SUN L X

    砥粒加工学会学術講演会講演論文集  1996 

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  • Research of grinding of aramid fibre reinforced rubber. ( Report No.3 ) Forming grinding of V ribbed belt.

    中島利勝, 大橋一仁, 黒川純

    精密工学会大会学術講演会講演論文集  1995 

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  • Research on dressing of resinoid grinding wheel with YAG laser. ( Reort No.4 )Dressing performance with Q-switched laser.

    中島利勝, 大橋一仁, 八木大輔

    精密工学会大会学術講演会講演論文集  1995 

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  • アラミド繊維強化ゴムの研削加工に関する研究 (第2報) 繊維の切残し現象と加工面特性

    中島利勝, 大橋一仁, 山本哲

    精密工学会大会学術講演会講演論文集  1993 

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  • 常圧焼結窒化ケイ素の超仕上機構に関する研究

    中島利勝, 大橋一仁, 竹本知臣

    精密工学会大会学術講演会講演論文集  1992 

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  • Research on an affected layer of fine ceramics by grending.(1).Single-grain grinding mechanism of SIALON.

    中島利勝, 大橋一仁

    精密工学会大会学術講演会講演論文集  1991 

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  • セラミックスの研磨加工による表面性状の方向性創成と定量評価 Invited

    大橋一仁

    精密加工研究会第118回例会  2024.12.13 

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  • ロータリドレッサの周速比によるドレッシング特性への 影響

    辻 佳裕, 原田 真, 小原達也, 児玉紘幸, 大橋一仁

    2024年度精密工学会九州支部・中国四国支部 鹿児島地方講演会  2024.12.7 

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  • 熱可塑性樹脂ボンド砥石の樹脂配合比によるSiCウェハ の研削特性への影響

    大地康矢, 坂本悠, 坂井孝三, 児玉紘幸, 大橋一仁

    2024年度精密工学会九州支部・中国四国支部 鹿児島地方講演会  2024.12.7 

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  • 計測・制御技術がもたらす研削加工の高度化 Invited

    大橋一仁

    第33回計測自動制御学会中国支部学術講演会  2024.11.23 

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  • 加工における計測の意義と温度の計測でわかる研削現象 Invited

    大橋一仁

    精密工学会 第132回超砥粒ホイールの研削性能に関する研究専門委員会  2024.5.20 

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  • 超仕上加工におけるAE波とその挙動に関する研究

    玉置巧実, 張 毅, 児玉紘幸, 大橋一仁

    砥粒加工学会 先進テクノフェア (ATF2024) 卒業研究発表会  2024.3.8 

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  • 研削液の軸心供給砥石による超硬の正面研削における研削抵抗分布の解析

    原昂世, 堀口晋平, 大橋一仁, 大西孝, 藤原貴典

    日本機械学会中国四国支部 第54回学生員卒業研究発表講演会  2024.3.7 

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  • 非階層型クラスタリング手法およびアンサンブル学習を併用したボールエンドミル切削条件決定支援手法

    盛元達雄, 児玉紘幸, 大橋一仁

    2023年度精密工学会春季大会学術講演会  2023.3.14 

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  • GAN とCNN 手法を応用したボールエンドミル切れ刃の摩耗判定システムの開発

    西 隆宏, 児玉紘幸, 大橋一仁

    2023年度精密工学会春季大会学術講演会  2023.3.14 

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  • 円筒研削におけるびびり振動変位に基づく振動モードの実験的検討

    松本悠希, 高見祐矢, 児玉紘幸, 大橋一仁

    砥粒加工学会 先進テクノフェア (ATF2023) 卒業研究発表会  2023.3.9 

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  • 超仕上砥石の砥粒支持形態に基づく加工機構の検討

    竹谷和真, 張 毅, 大橋一仁

    日本機械学会中国四国支部 第53回学生員卒業研究発表講演会  2023.3.2 

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  • 研削加工技術のこれからを考える Invited

    大橋一仁

    Grinding Technology Japan 2023 出展社説明会  2022.12.6 

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  • ウェットブラストによる総形cBN砥石のドレッシングに関する研究

    是澤律秀, 児玉紘幸, 大橋一仁

    2022年度精密工学会九州支部・中国四国支部 久留米地方講演会  2022.12.3 

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  • 円筒プランジ研削における寸法生成量の推定(工作物の剛性が異なる場合の比研削エネルギーを用いた寸法生成量の推定)

    大西孝, 下津遥河, 坂倉守昭, 大橋一仁

    日本機械学会第14回生産加工・工作機械部門講演会  2022.10.7 

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  • サーボモータ電流にデータマイニング手法を適用したエンドミル摩耗予測手法の開発

    瀬戸川将章, 児玉紘幸, 大橋一仁

    2022年度精密工学会秋季大会学術講演会  2022.9.9 

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  • 工作機械の案内部の発熱 による熱変形挙動の推定 とその対策の検討

    近藤凌司, 大橋一仁

    2022年度精密工学会秋季大会学術講演会  2022.9.9 

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  • 畳み込みオートエンコーダの異常検知機能を用いたエンドミル摩耗判定システムの開発

    西 隆宏, 児玉紘幸, 大橋一仁

    2022年度砥粒加工学会学術講演会(ABTEC2022)  2022.8.31 

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  • ランダムフォレスト手法に援用された切削条件導出の有用性に関する基礎的研究

    盛元達雄, 喜多大輔, 児玉紘幸, 大橋一仁

    2022年度砥粒加工学会学術講演会(ABTEC2022)  2022.8.31 

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  • 円筒トラバース研削における工作物の弾性変形を利用したクラウニング形状制御

    柆田元希, 大西 孝, 藤井英毅, 坂倉守昭, 大橋一仁

    2022年度砥粒加工学会学術講演会(ABTEC2022)  2022.8.29 

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  • 円筒プランジ研削における研削エネルギーを用いた寸法生成量の推定

    下津遥河, 大西 孝, 村田祐樹, 坂倉守昭, 大橋一仁

    砥粒加工学会 先進テクノフェア (ATF2022) 卒業研究発表会  2022.3.4 

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  • 円筒プランジ研削における寸法生成量のシミュレーション解析

    柆田元希, 大西 孝, 藤井英毅, 坂倉守昭, 大橋一仁

    砥粒加工学会 先進テクノフェア (ATF2022) 卒業研究発表会  2022.3.4 

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  • 内面研削におけるびびり振動に関する基礎的研究

    藤原一登, 大西 孝, 市場 剛, 大橋一仁

    砥粒加工学会 先進テクノフェア (ATF2022) 卒業研究発表会  2022.3.4 

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  • 表面の微細加工/処理技術と表面性状の高速評価技術

    JST 岡山大学新技術説明会  2009 

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  • 吸引キャビテーション流を用いた表面処理方法及びその装置

    新機能性材料展2009  2009 

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  • 極小径砥石の高精度ツルーイングに関する研究(砥石表面性状の評価)

    日本機械学会中国四国支部第47期総会・講演会  2009 

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  • 円筒研削における表面粗さのインプロセス/高速オンマシン測定技術の開発

    砥粒加工学会 先進テクノフェア(ATF2009)  2009 

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  • Study on Cavitation Aided Abrasive Machining on Glass

    9th ICPMT  2009 

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  • 乾式カーボン研削における目詰まり砥石のドレスレス切れ味回復法(第2報)-研削テストによる切れ味回復性能の評価-

    2009年度砥粒加工学会学術講演会  2009 

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  • Improvement of Grindactivity by Dressless Wheel Treatment in Dry Grinding of Carbon

    ISAAT2009  2009 

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  • Rapid On-machine Measurement of Surface Finish for Cylindrically Grinding Workpiece

    The 24th Annual ASPE Meeting  2009 

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  • 反転吸引キャビテーション流を利用した精密砥粒加工法の基礎的研究(第2報) ー加工条件による加工特性の変化ー

    2009年精密工学会中国四国支部山口地方学術講演会  2009 

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  • カーボンの乾式研削における目詰まり砥石のドレスレス切れ味回復法

    精密工学会第71回難削材加工専門委員会  2009 

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  • 吸引キャビテーション流を利用したマイクロ砥粒加工法

    大田区産業振興協会 岡山大学技術交流セミナー(第3回)  2008 

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  • 正面研削加工面の高フリクション化に関する基礎的研究

    日本機械学会中国四国支部第46期講演会  2008 

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  • 研削加工の計測および評価

    金型・精密加工技術研究会講習会  2008 

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  • 円筒研削における高速オンマシン表面粗さ測定の提案

    精密工学会第65回難削材加工専門委員会  2008 

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  • 乾式カーボン研削における目詰まり砥石のドレスレス切れ味回復法

    2008年度砥粒加工学会学術講演会(ABTEC2008)  2008 

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  • 円筒研削における表面粗さのインプロセス測定

    2008年度砥粒加工学会学術講演会(ABTEC2008)  2008 

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  • 低汚染度領域における研削クーラントおよび工作物表面品位との相関研究

    2008年度砥粒加工学会学術講演会(ABTEC2008)  2008 

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  • 熱電効果を利用した研削面粗さの測定法におけるセンサ改良とその効果

    2008年度精密工学会秋季大会学術講演会  2008 

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  • Fundamental Study on the Precision Abrasive Machining Using a Cavitation in Reversing Suction Flow

    ISAAT2008  2008 

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  • The Possibility of Dressless Restoration of Grindactivity in Dry Grinding of Carbon

    ISAAT2008  2008 

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  • 熱電効果を利用した円筒研削面粗さのオンマシン測定法

    日本機械学会岡山講演会  2008 

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  • 円筒研削における表面粗さのインプロセス/高速オンマシン測定技術の開発

    第13回工作機械技術者会議ポスターセッション「工作機械関連のニューテクノロジー」  2008 

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  • キャビテーションを利用したクロムメッキ金型のマイクロ砥粒加工法に関する研究

    2008年度精密工学会中国四国支部愛媛地方学術講演会  2008 

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  • 熱電効果を利用した研削面粗さのインプロセス測定の高精度化

    日本機械学会第7回生産加工・工作機械部門講演会  2008 

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  • 粘着テープを利用した乾式研削砥石の目詰まりカーボン切りくず除去特性

    2007年度精密工学会秋季大会学術講演会  2007 

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  • 吸引キャビテーション流を利用したガラスのマイクロ砥粒加工

    第60回精密工学会難削材加工専門委員会  2007 

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  • 表面粗さのインプロセス測定技術の開発

    砥粒加工学会 賛助会員会テクノフェア2007  2007 

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  • カーボンの乾式研削における目詰まり除去法の一提案

    日本機械学会中国四国支部第45期総会・講演会  2007 

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  • 最新のユニークな研削,砥粒加工技術 〜マイクロ加工技術から計測評価技術まで〜

    岡山県精密生産技術研究会 第1回セミナー  2007 

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  • 吸引キャビテーション流を利用した砥粒加工法に関する研究(第1報) ー新しいキャビテーション発生方法と加工特性ー

    2007年度砥粒加工学会学術講演会(ABTEC2007)  2007 

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  • 岡山大学大学院 機械加工学研究室

    2007年度砥粒加工学会学術講演会パネル展示  2007 

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  • カップ型砥石による超硬材料の縦軸正面研削方式に関する研究

    2007年度精密工学会秋季大会学術講演会  2007 

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  • Novel On-Machine Measurement of Surface Finish with Thermoelectric effect for Rotating Ground Workpiece

    ISAAT2007 Precision Grinding and Abrasive Technology at SME International Grinding Conference  2007 

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  • 反転吸引キャビテーション流を利用した精密砥粒加工法の基礎的研究

    2007年度精密工学会中国四国支部広島地方学術講演会  2007 

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  • FUNDAMENTAL STUDY ON A CAVITATION AIDED MACHINING

    The 8th International Conference on Progress of Machining Technology  2006 

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  • GRINDING PROCESS FOR THE FINEST SURFACE FINISH WITH SUPER-SOFT GRADE RESINOID BOND WHEEL

    The 8th International Conference on Progress of Machining Technology  2006 

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  • 現場のオイルフリー化を目指す電気防錆加工法

    (社)砥粒加工学会 第2回環境対応型加工技術の基礎・開発・実用化推進に関する研究分科会  2006 

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  • キャビテーション吸引流を利用したマイクロ加工法

    キャビテーションに関するシンポジウム(第13回)  2006 

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  • ロール成形金型の研削加工における表面粗さの高速インプロセス測定法の開発研究

    (財)金型技術振興財団 第6回「金型に関する研究助成者研究成果発表会」  2006 

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  • 機械工学における創造的実験の取組みー表面粗さをテーマにした創成能力育成の試みー

    平成18年度工学・工業教育研究講演会  2006 

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  • シュー支持による深孔内面加工の高精度ツルーイングに関する基礎的研究

    2006年度砥粒加工学会学術講演会  2006 

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  • 研削現象の解明における計測・モニタリング技術

    2006年度砥粒加工学会学術講演会  2006 

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  • 研削加工における表面粗さのインプロセス測定(第2報)ー工作物表面温度変化を考慮したインプロセス測定の試みー

    2006年度精密工学会秋季大会学術講演会  2006 

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  • Improvement of Machining Accuracy in Micro Cylindrical Traverse Grinding

    The 9th International Symposium on Advances in Abrasive Technology  2006 

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  • 吸引キャビテーション流を利用した微細加工に関する研究 ー基盤材料による加工特性の変化ー

    2006年度精密工学会中国四国支部高松地方学術講演会  2006 

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  • 研削クーラントの汚染度とワーク表面品位との相関研究

    日本機械学会 第6回生産加工・工作機械部門講演会  2006 

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  • Application of Cavitation Aided Machining to Micro Patterning of Glass

    The Twentieth Annual ASPE Meeting  2005 

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  • Development of Electric Rust Preventive Machining Method in Cylindrical Grinding

    The Third International Conference on Leading Edge Manufacturing in 21st Century  2005 

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  • マイクロ円筒研削の高精度化に関する研究

    2005年度精密工学会中国四国支部鳥取地方学術講演会  2005 

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  • 吸引キャビテーション流を利用したマイクロ加工法

    山形県工業技術センター講演会  2005 

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  • エンドミル加工における電気防錆加工法の提案

    2005年度精密工学会春季大会学術講演会  2005 

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  • 研削加工における表面粗さのインプロセス測定(第1報)─表面粗さ測定の原理と特性─

    2005年度精密工学会春季大会学術講演会  2005 

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  • 吸引キャビテーション流を用いたマイクロ加工法

    2005年度精密工学会春季大会学術講演会  2005 

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  • Educational Effects of Creative Thinking Method in Design Project

    SICE Annual Conference 2005 in Okayama  2005 

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  • 表面粗さの高速インプロセス測定技術

    イノベーション・ジャパン2005 大学見本市  2005 

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  • 吸引キャビテーション流を利用するガラスのマイクロパターニング技術

    イノベーション・ジャパン2005 大学見本市  2005 

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  • Retraction Grinding Method for Reducing Taper Error in Deep Hole Oscillation Grinding

    the International Conference on Leading Edge Manufacturing in 21st Century  2004 

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  • Grain Boundary Step Generation in Ultraprecision Cutting of Al-Mg Alloy

    the International Conference on Leading Edge Manufacturing in 21st Century  2004 

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  • Transition of Form Accuracy in Cylindrical Plunge Grinding Process of Ti-Ni Alloy

    The 7th International Conference on Progress of Machining Technology  2004 

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  • Minimizing Process of Surface Roughness in Grinding with Super-soft Grade Resinoid Wheel

    The 7th International Conference on Progress of Machining Technology  2004 

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  • 研削加工における表面粗さのインプロセス測定

    大学発新事業創出促進事業技術シーズ発信会  2004 

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  • 日本語コミュニケーション教育で学習すべき内容とその教育効果─岡山大学における9年間の成功・失敗経験の紹介─

    平成16年度工学・工業教育研究講演会  2004 

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  • 直交軸型トラバース研削機構の解析とマイクロ円筒研削の試み

    2004年度精密工学会秋季大会学術講演会  2004 

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  • 研削温度のインプロセス計測法の提案

    2003年度精密工学会秋季大会学術講演会  2004 

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  • 創成科目の体系的な教育方法とは?─モノ創製における最大の盲点を克服する発想ツールの学習─

    2003年度精密工学会春季大会学術講演会  2003 

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  • エコマシニングを実現する電気防錆加工法の原理とその効果─円筒研削における電気防錆加工法の開発─

    2003年度精密工学会春季大会学術講演会  2003 

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  • 平面研削における電気防錆加工法の開発─プール型電極法による完全防錆研削加工の実現─

    2003年度精密工学会春季大会学術講演会  2003 

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  • 内面研削における電気防錆加工法の開発─外輪型電極法によるエコマシニングの提案─

    2003年度精密工学会春季大会学術講演会  2003 

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  • 電気防錆水中保管法の提案とその防錆効果─被削材のローエミッション型保管法の開発─

    2003年度精密工学会春季大会学術講演会  2003 

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  • 創成科目の体系的教育法

    2003年度日本機械学会年次大会  2003 

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  • 超熱伝導材料の円筒プランジ研削による特異な熱変形形態とその形状精度への影響

    日本機械学会中国四国支部第41期講演会  2003 

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  • 極軟質レジノイド砥石による表面粗さの改善特性

    2003年度精密工学会秋季大会学術講演会  2003 

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  • Development of Cavitation Aided Machining for Finishing Fine Surface

    The Eighteenth Annual ASPE Meeting  2003 

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  • 究極の低公害を実現する電機防錆加工法の提案-内面研削での電気防錆加工法の開発-

    003年度日本機械学会九州支部・中国四国支部合同企画鹿児島地方講演会  2003 

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  • Development of the Electricity Rust Preventive Machining Method in Surface Grinding

    The 6th International Symposium on Advances in Abrasive Technology  2003 

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  • キャビテーション援用加工による水晶の精密加工

    2003年度精密工学会中国四国支部岡山地方学術講演会  2003 

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  • キャビテーション援用加工によるガラス表面の仕上げ加工

    2003年度日本機械学会年次大会  2003 

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  • 創成科目の体系的教育法─創造力育成のための達成度評価法─

    第51回工学教育協会工学・工業教育研究講演会  2003 

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  • ゼロエミッションを実現する電気防錆加工法の提案

    2003年砥粒加工学会学術講演会(ABTEC2003)  2003 

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  • 電気防錆水中保管法の実用化

    2003年砥粒加工学会学術講演会(ABTEC2003)  2003 

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  • 電気防錆加工法の実用化のための課題

    2003年砥粒加工学会学術講演会(ABTEC2003)  2003 

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  • 創造力育成の方法-大学教育での創成能力開発の実施例とその教育効果-

    第46回自動制御連合講演会  2003 

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  • 吸引キャビテーション流を利用した精密加工法の開発

    第3回産学官連携シーズ育成事業「電気防錆加工法」研究会  2003 

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  • 内面研削の深穴オシレーション加工における最適形状制御法の開発

    精密工学会2002年度関西地方定期学術講演会  2002 

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  • Dressing Process of Resinoid Bonded Wheel with YAG Laser for Form Grinding

    The Sixth International Conference on Progress of Machin-ing Technology  2002 

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  • 跳ねる機械を実現させる創成科目の導入と発想ツールの教育効果

    日本機械学会2002年次大会  2002 

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  • 電解研削における加工変質層低減プロセスに関する研究(第2報)?最適スパークアウト研削法の検討?

    2002年度精密工学会秋季大会学術講演会  2002 

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  • Ti-Ni合金の円筒プランジ研削加工

    精密工学会第45回難削材加工専門委員会  2002 

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  • 極軟質レジノイド砥石による仕上面粗さ改善過程の研究

    2001年度精密工学会秋季大会学術講演会  2001 

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  • Al-Mg合金の超精密切削加工における形状精度創成機構の研究

    2001年度精密工学会秋季大会学術講演会  2001 

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  • 電解研削における加工変質層低減プロセスに関する研究

    2001年度精密工学会秋季大会学術講演会  2001 

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  • インテリジェント材料の超精密加工面創成に関する研究 ─キャビテーションを利用した新しい超精密加工法─

    岡山大学大学院ベンチャー・ビジネス・ラボラトリ 第2回シーズ公開講演会  2000 

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  • Al-Mg合金の超精密切削面粗さの創成要因に関する研究(第3報)─結晶粒界段差に及ぼす工具逃げ角の影響─

    2000年度精密工学会春季大会学術講演会講演論文集  2000 

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  • 電解研削加工における材料除去機構に関する研究

    1999年度精密工学会中国四国支部松江地方学術講演会  1999 

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  • キャビテーション援用ホーニング加工の加工特性

    1999年度精密工学会秋季大会学術講演会講演論文集  1999 

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  • キャビテーション援用ホーニング加工法の超精密加工への適用

    日本機械学会第7回機械材料・材料加工技術講演会(M & P '99)  1999 

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  • Ni-Ti合金の円筒プランジ研削過程に関する研究

    1999年度精密工学会中国四国支部松江地方学術講演会  1999 

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Industrial property rights

  • 研削砥粒の付着装置及び総形砥石

    大橋一仁, 藤村涼太, 塚本眞也

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    Application no:特願2014-039923  Date applied:2014.2.28

    Patent/Registration no:特許6233928  Date registered:2017.11.2 

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Awards

  • 工作機械技術振興賞・論文賞

    2025.6   公益財団法人 工作機械技術振興財団   異常検知と画像分類を併用したボールエンドミル摩耗状態判定システムの開発

    児玉紘幸,小久江颯人,西 隆宏,大橋一仁

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  • ベストオーガナイザー賞

    2024.9   精密工学会   研削現象とその機構

    大橋一仁, 山田高三, 藤本正和

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  • 功労賞

    2024.3   公益社団法人 精密工学会  

    大橋一仁

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  • 工作機械技術振興賞(奨励賞)

    2023.6   公益財団法人 工作機械技術振興財団   超仕上砥石の砥粒支持形態に基づく加工機構の検討

    竹谷和真, 張 毅, 大橋一仁

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  • 工作機械技術振興賞(奨励賞)

    2022.6   公益財団法人 工作機械技術振興財団   円筒プランジ研削における研削エネルギーを用いた寸法生成量の推定

    下津遥河, 大西孝, 村田祐樹, 坂倉守昭, 大橋一仁

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  • 社会貢献賞

    2021.3   岡山大学工学部   岡山地域の精密生産技術に関する産学官連携と技術振興への貢献

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  • Best Paper Award

    2020.11   18th International Conference on Precision Engineering (ICPE2020)  

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  • ABTEC2020優秀ポスター賞

    2020.9   公益社団法人 砥粒加工学会ABTEC2020実行委員会  

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  • Excellent Paper Award

    2019.12   The 22nd International Symposium on Advances in Abrasive Technology (ISAAT2019)   Investigation on Concentric Mutual Lapping Characteristic for Improvement in Sliding Surface Function of SiC Ceramics

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  • 2018年度精密工学会春季大会学術講演会ベストオーガナイザ賞

    2018.3   公益社団法人 精密工学会2018年度春季大会実行委員会  

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  • 社会貢献賞

    2017.3   岡山大学工学部  

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  • 工作機械技術振興賞(奨励賞)

    2014.6  

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  • 教育貢献賞

    2013.3   岡山大学工学部  

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  • 第9回切削加工ドリームコンテスト アカデミック部門技能賞

    2012.11  

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  • 岡山工学振興会科学技術賞

    2012.7   公益財団法人 岡山工学振興会  

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  • 第8回切削加工ドリームコンテスト アカデミック部門アイディア賞

    2011.11  

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  • Excellent Poster Award

    2010  

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    Country:Japan

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  • 砥粒加工学会賞熊谷賞

    2010  

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    Country:Japan

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  • 砥粒加工学会論文賞

    2009  

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    Country:Japan

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  • Excellent Poster Award

    2008  

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    Country:Japan

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  • 工作機械技術振興賞(論文賞)

    2007  

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    Country:Japan

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  • 砥粒加工学会論文賞

    2007  

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    Country:Japan

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  • Best Presentation Award 2006

    2006  

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    Country:Japan

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  • 工学教育賞

    2005.9   日本工学教育協会  

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  • 2005年度精密工学会春季大会学術講演会ベストプレゼンテーション賞

    2005.3   2005年度精密工学会春季大会実行委員会   吸引キャビテーション流を用いたマイクロ加工法

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  • 教育貢献賞

    2004.3   岡山大学工学部  

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  • 中国・四国工学教育協会賞

    2003.7   中国・四国工学教育協会  

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  • 日本機械学会畠山賞

    1987  

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    Country:Japan

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Research Projects

  • パワー半導体材料の超精密研削を実現する熱可塑性樹脂ボンド砥石の有気孔化と性能評価

    Grant number:24K07269  2024.04 - 2027.03

    日本学術振興会  科学研究費助成事業  基盤研究(C)

    大橋 一仁, 児玉 紘幸

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    Grant amount:\4680000 ( Direct expense: \3600000 、 Indirect expense:\1080000 )

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  • 通信デバイス用基板の高能率・高品質固定砥粒研磨加工技術の開発

    2023.06 - 2024.02

    岡山県  特別電源所在県科学技術振興事業 

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    Authorship:Principal investigator 

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  • 半導体基板の高能率・高品質研磨加工を実現する粘弾性・熱可塑性樹脂ボンド砥石の開発

    2022.04 - 2023.02

    中国地域創造研究センター  2022年度新産業創出研究会 

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  • Development of Electroplated Face Grinding Wheel Aiming Both High-Efficiency and High-Accuracy for Cemented Carbide

    Grant number:JPMJTM2020FV  2020.11 - 2022.03

    JST  研究成果展開事業 A-STEPトライアウト  生産加工技術分野

    藤原貴典, 小松原, 凌, 大橋一仁, 児玉紘幸, 大西 孝, 前田知洋

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  • 次世代半導体材料の超精密研削における砥石結合剤の粘弾性の効果

    Grant number:20K04193  2020.04 - 2023.03

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)

    大橋 一仁, 児玉 紘幸, 大西 孝

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    Grant amount:\4290000 ( Direct expense: \3300000 、 Indirect expense:\990000 )

    次世代半導体材料の超精密研削を実現するために,昨年度に試作した熱可塑性樹脂を結合剤とする研削砥石の力学的特性を実験により検討し,単結晶SiCウエハの研削性能との相関を検討した.具体的には,結合剤である軟化点温度の異なる熱可塑性樹脂を用いて3種類の短冊状サンプルを作成し,レオメータによる粘弾性の特徴的な5つの温度条件において3点曲げ試験を実施した.その結果,環境温度により応力/ひずみ線図の形態が大きく異なり,粘弾性試験による弾性に対する粘性の割合(損失正接:tanδ)が大きい温度環境では結合剤のサンプルが破断まであるいは破断することなく大きく変形するクリープに近い状態を示すことが明らかになった.得られた応力/ひずみ線図から,破断までのエネルギー(じん性)を求めた結果,概ねじん性はtanδと相関を有し,tanδが大きい,すなわちじん性の大きな温度条件ほど単結晶SiCウエハの研削面粗さは小さいことが明らかとなった.その一方で,熱可塑性樹脂の種類によってはじん性とtanδとの相関が認められないものもあった.また,熱可塑性樹脂のブレンドの配合を変えた砥石も試作し,研削実験を行った結果,ポリプロピレンの配合割合が多くても少なくても単結晶SiCウエハの研削面粗さは大きくなる傾向が確認され,最適な配合割合のあることが明らかになった.
    なお,いずれの条件においても平均粒径6ミクロンのダイヤモンド砥粒を用いて研削した単結晶SiCウエハの研削面粗さSaはシングルナノメートルからそれ以下であり,ビトリファイドボンドの同砥粒を用いた砥石の場合よりも良好であった.

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  • Study of optimization of steady rest in cylindrical traverse grinding

    Grant number:20K04194  2020.04 - 2023.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    大西 孝, 大橋 一仁

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    Grant amount:\4290000 ( Direct expense: \3300000 、 Indirect expense:\990000 )

    本研究では長尺工作物の円筒トラバース研削を対象に、次の3点を研究目標としている。a) 最適な振れ止めの設置位置と個数および研削条件の決定手法の確立、b) 振れ止めを押し込んでいる点で生じる工作物の段差を解消する手法の確立、c) 微小なテーパ形状の付与
    研究初年度の2020年度はa)およびb)の研究目標に関する基礎的な成果が得られたため、2021年度は、a)とb)を統合し、最適な研削条件において研削実験を実施した。また、c)の微小なテーパ形状の付与について基礎的な実験を実施した。
    まず、a)とb)を統合した研究成果について報告する。前年度に確立された、工作物へ振れ止め(工作物の表面を押すことで研削中の弾性変形を抑える装置)を作用させた際の弾性変形量の解析から最適な振れ止めの設置位置を決定するとともに、弾性変形が工作物の形状精度へ極力影響を与えないトラバース速度(工作物を軸方向に移動させる速度)を求め、研削実験を行った。その結果、一定のトラバース速度で、振れ止めを使用せずに研削した場合2μm程度の形状誤差(工作物の半径の差異)が生じたのに対し、提案法では形状誤差を0.5μm程度に抑制できた。これまで、振れ止めの使用方法や研削条件の設定は熟練技能者の勘と経験に依存してきたが、提案法を用いることで熟練した技能を持たない作業者(学生)でも高精度な研削に成功した。
    また、c)の微小なテーパ形状の付与については、工作物軸方向位置における弾性変形が、目標のテーパ形状と同等に変化するトラバース速度を決定し、研削実験を行った。この手法の特徴は、工作物自体の弾性変形を積極的に活用することで、工作物の軸方向位置における砥石の切込み量を変化させ、工作機械の運動では実現しにくい精密な形状の制御を行う点である。事前に求めたトラバース速度で研削実験を行い、目標形状のテーパを工作物へ付与することに成功した。

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  • High Efficiency and High Quality Dry Grinding of Carbon Fiber Reinforced Plastic

    Grant number:17K06080  2017.04 - 2020.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    Ohashi Kazuhito

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    Grant amount:\4810000 ( Direct expense: \3700000 、 Indirect expense:\1110000 )

    In this study, we proposed the dry grinding of carbon fiber reinforced plastic (CFRP) using the dry ice jet blowing on a diamond grinding wheel surface in the grinding process. As a result, it was experimentally clarified that the dry ice jet controls the wheel loading due to grinding of CFRP to lead the extent of wheel life and the increase of ground surface quality rather than the normal dry grinding. Furthermore, it was confirmed that some carbon fibers on the ground surface were finely crushed in wet grinding.

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  • Development of the intelligent grinding system that can predict the stock removal of the workpiece without using a sizing gauge

    Grant number:15K17951  2015.04 - 2018.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)  Grant-in-Aid for Young Scientists (B)

    ONISHI Takashi, SAKAKURA Moriaki, OHASHI Kazuhito, TAKASHIMA Teppei, NISHI Kuya, OKANOUE Takuo, SAKAMOTO Koichi, FUJIWARA Kohei, NAKABAYASHI Yusuke

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    Grant amount:\4290000 ( Direct expense: \3300000 、 Indirect expense:\990000 )

    The purpose of this study is to develop the intelligent grinding system that can control the grinding machine by predicting the stock removal of the workpiece without using a sizing gauge. In this system, thermal deformation and residual stock removal is simulated during grinding process. As a result of this study, the size error of the ground workpiece was reduced less than 0.5 micro meters even though 2 or 3 micrometers thermal deformation occurred. The residual stock removal due to the elastic deformation of the workpiece system was predicted with 1 micro meter accuracy. Furthermore, the new grinding methods were developed to improve the shape accuracy for traverse grinding of the slender workpiece and internal grinding by a slender grinding wheel.

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  • Development of cup type grinding wheel for cemented carbaide feature of deep depth of cut compare to cutting and anti grazing

    Grant number:26420051  2014.04 - 2018.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    FUJIWARA Takanori

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    Grant amount:\4940000 ( Direct expense: \3800000 、 Indirect expense:\1140000 )

    In the face grinding proses of cemented carbide with diamond plating grinding wheel, which is superior in cooling characteristics, it is obtained that information to design of the new type grinding wheel to deep cut grinding experimentally, with the analysis of grinding state, by measuring of such as grinding force, grinding force distribution which has pressure dimension, observation of grinding wheel surface, EPMA analysis of adhesive material on the grinding surface of the wheel,surface roughness and so on.
    As a result, when feed rate is constant, and it added setting depth of the cut, a steady state did not develop, and, the adhesive material due to grinding chip distribution at bottom of grinding wheel near land corner R, it became clear that peak value reduced and also width of peak became broad. In the case of setting depth is constant and it added feed rate, grinding results are similar. And two prototypes of grinding wheels for deep depth of cut grinding are produced.

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  • Development of precision control of distribution in abrasive density for next-generation single layered super abrasive grinding wheel

    Grant number:26420050  2014.04 - 2017.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    Ohashi Kazuhito

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    Grant amount:\5070000 ( Direct expense: \3900000 、 Indirect expense:\1170000 )

    The available conditions for setting diamond abrasive grains with the required density distributions on formed grinding wheels using electrostatic force are made clear by the simulation of electrostatic field between ribbed single layered metal bond diamond wheels and electrode plates. As the results, the diamond abrasive grains could be set on the formed grinding wheel putting metal bond paste on with the grain density distribution according to the total depth of cut using the electrostatic force based on the simulation.

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  • Development of a simulation system of workpiece thermal deformation in grinding process

    Grant number:23560127  2011 - 2013

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    TSUKAMOTO Shinya, OHASHI Kazuhito, ONISHI Takashi

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    Grant amount:\5070000 ( Direct expense: \3900000 、 Indirect expense:\1170000 )

    The purpose of this study is to improve the machining accuracy of a workpiece in cylindrical and internal grinding by reducing the effect of thermal deformation of the ground workpiece in the grinding process. To understand the thermal deformation of the workpiece during grinding process, an advanced analysis method of temperature distribution and thermal deformation of a workpiece are developed. In cylindrical grinding, the temperature distribution and thermal deformation can be calculated with a developed simulation analysis system. A new grinding system that can consider the thermal deformation was also developed in this study, With this grinding system, the cylindrical grinding was performed within a tolerance of only 0.1 micro meters.

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  • Development of functional micro chip-pockets on fine-graded diamond wheel

    Grant number:23560126  2011 - 2013

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    OHASHI Kazuhito, TSUKAMOTO Shinya

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    Grant amount:\5200000 ( Direct expense: \4000000 、 Indirect expense:\1200000 )

    A regeneration technology of grinding performance of loading fine-graded resinoid bond diamond wheel is developed in this study. In the developed technology, adhesive films are peeled from loading wheel surface to remove loading chips after press films on loading wheel surfaces. Furthermore the dry ice powder blasting achieves the regeneration of grinding performance with more efficiency, too. On the other hand, the coating of fluoroethylene resin on the wheel surface after the regeneration technology of grinding performance doesn't achieve to control wheel loading enough.

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  • 吸引キャビテーション流を利用する水晶ウエハの超精密三次元マイクロ砥粒加工法の開発

    Grant number:20560109  2008 - 2010

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)

    大橋 一仁, 塚本 眞也, 長谷川 裕之

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    Grant amount:\3900000 ( Direct expense: \3000000 、 Indirect expense:\900000 )

    加工チャンバ内にウエハを水平に設置し,チャンバ内のスラリーを鉛直上方に吸引することによって,ウエハに対抗させた絞りノズルからキャビテーションを伴うスラリー流をウエハ表面に作用させる反転流型キャビテーション援用砥粒加工法を考案し,その効果と水晶ウエハの加工に適する加工条件を検討した.絞りノズル径およびウエハとのクリアランスによってウエハ形状を数十ナノメートルのレベルで変化させることができ,ウエハ設置ステージに回転機構を加えることで形状精度が更に向上した

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  • Development of Rapid In-process Measurement of Surface Roughness for In-line Total Check of Surface Quality

    Grant number:18560106  2006 - 2007

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    OHASHI Kazuhito, TSUKAMOTO Shinya, HASEGAWA Hiroyuki

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    Grant amount:\3880000 ( Direct expense: \3400000 、 Indirect expense:\480000 )

    The surface finish is generally measured by the surface roughness tester with lower tracing stylus speed of zero point several millimeters per second. Therefore, the surface finish of all parts manufactured in the lot is judged based on the measured results of only few parts by the acceptance sampling. We propose the novel on machine measurement technique of surface finish with the thermoelectric effect for rotating ground workpiece and the rapid on machine measurement system of surface finish is developed. In a grinding process, the temperature-rise of workpiece surface affects the output of developed sensor, which has a pair of parallel separate thermocouple wires with a certain tension. In order to cancel the signal component by a temperature-rise of workpiece surface for an extraction of component estimating surface roughness, we developed two kinds of cancellation methods and experimentally investigated their availability As a result, we have successfully measured a variation of surface roughness in a cylindrical plunge grinding process. Other conclusions are follows. 1. The output from the developed contact sensor with thermocouple wires approximately has the liner relationship with surface finish 2. The sensitivity improves with an increase of measuring speed, peripheral speed of workpiece, and the system can obtain the surface finish at the measuring speed which is about two thousands times as large as that of surface roughness tester. 3. The sensitivity improves by use of thicker thermocouple wires of sensor. 4. It is necessary for this measurement system to apply the measuring load so large that thermocouple wires keep steady contact with workpiece surface. In addition, the sensitivity at 0.98 N in measuring load is higher than that at 0.29N.

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  • Developments of the ultimate machining process for realization of ecology

    Grant number:17560097  2005 - 2006

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    TSUKAMOTO Shinya, OHASHI Kazuhito

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    Grant amount:\3400000 ( Direct expense: \3400000 )

    It is well recognized that liquid waste disposal in machining process is the one of environment concern during the last decade. In this study, the electric rust preventive machining method was developed with using water as substitution for grinding fluid, and applied for conventional grinding techniques such as cylindrical, surface, internal grinding. The grinding performances were evaluated with respected to grinding force, surface roughness, and surface quality. Further, the storage system based the electric rust preventive machining method was constructed and rust preventive effect was investigated by observation of the workpieces. The obtained results were summarized as follows ;
    The electric rust preventive machining method was applied for cylindrical grinding, and investigated grinding performance in comparison with the case of grinding fluid. Rust preventive effect was confirmed with attaching of the skirt type nozzle and the insulation center. The rust preventive machining was possible for 1hour at electric power of 0.21W and the grinding performance exhibited 71.5% against grinding fluid.
    The pool electrode which enables workpiece to soak in water was developed for surface grinding. The rust preventive machining became possible for 1hour at electric current of 1.0x10^<-3> and the grinding performance exhibited 88% against grinding fluid. In addition, The pool electrode prevent adhesion of contaminations on workpiece due to consecutive electric current supp electric current supply.
    In case of internal grinding, the rust preventive machining became possible for 1hour and the grinding performance exhibited 76% against grinding fluid from the results of grinding force and surface roughness. Moreover, the storage without rust succeeded with using system based the electric rust preventive machining method for 72 hours at the dissipation power of 0.03W

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  • Development of Cavitation Aided Ultra-precision Surface Finishing Technique of 3-dimentional Curved hole

    Grant number:15560097  2003 - 2004

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    OHASHI Kazuhito, TSUKAMOTO Shinya, FUJIWARA Takanori

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    Grant amount:\3400000 ( Direct expense: \3400000 )

    In this study, the cavitation aided machining is proposed as a precision micro patterning method based on the new concept of a positive use of cavitation in a suction flow for machining phenomenon. There have been problems on cavitation that causes erosion, vibration and noise of fluid machinery since its discovery. However, its advantages on cleaning or peening and so on were recently reported.
    The cavitation aided machining makes loose micro abrasive grains, which are mixed in machining fluid of water, to interfere in the workpiece surface with impact of cavitation and flow of machining fluid restricted partially by the restrictor setting above a machining point on workpiece surface. The machining phenomenon continuously occurs along the workpiece surface by sliding a restrictor along the flowing direction parallel to the workpiece surface. In the micro patterning process, the polished glass surface except for the required machining region is masked by polyester film, and it is machined by the cavitation aided machining. The required micro profile on glass surface is obtained after releasing masking film.
    The micro profile generation mechanism and characteristics of glass by the proposed micro patterning method has been investigated in this study. The form accuracy of generated micro patterns become higher with decreasing the thickness of masking film or the machining width determined by the mask. Several micro patterns on glass surface, for example the micro terraced groove, the micro terraced dimple and so on, depend on mask patterns have been obtained, and there is a possibility of cavitation aided machining applying to the micro fabrication of hard and brittle materials.

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  • Ultraprecision Cutting Process of Anisotropic Super-elastic Alloy

    Grant number:11650131  1999 - 2000

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    OHASHI Kazuhito, FUJIWARA Takanori, TSUKAMOTO Shinya, NAKAJIMA Toshikatsu

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    Grant amount:\3400000 ( Direct expense: \3400000 )

    The purpose of this research is to obtain fundamental information for making clear the generation mechanism of ultraprecision machined surface of anisotropic super-elastic alloy with a diamond tool. Especially, in the case of ultraprecision cutting of anisotropic super-elastic alloy, it is difficult to finish the surface with high geometrical accuracy. Then some factors generating geometrical accuracy in ultraprecision cutting of Al-Mg alloy are investigated by analyzing finished surface profile and cutting heat in ultraprecision cutting process. Main conclusions obtained in this research are as follows : (1) Workpiece surface is finished in a concave profile with convex center in ultraprecision cutting. (2) Such profile of finished surface is generated by the thermal expansion of diamond tool and workpiece with cutting heat or spring back of cutting edge. (3) The maximum temperature rise at cutting point runs to 130℃. (4) The profile of finished surface is as same as that simulated with temperature rise and coefficient of thermal expansion of cutting tool.

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  • Development of thermal deformation speed controlled super precision grinding

    Grant number:10650115  1998 - 1999

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    TSUKAMOTO Sinya, OHASHI Kazuhito, NAKAJIMA Toshikatsu

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    Grant amount:\3900000 ( Direct expense: \3900000 )

    In 1998 for this report in order to put "Development of thermal deformation speed controlled super precision grinding" to practical use, following 2 stage research has been carried out.
    (1) In order to establish the adaptive control system of "Development of thermal deformation speed controlled super precision grinding", the measuring apparatus of grinding machine and pulse signal of D/A convertor.
    (2) In order to establish the measuring system of thermal deformation of workpiece, submicron measuring apparatus with laser displacement measured scale and data analysis system with high speed sampling unit.
    In 1999 for this report in order to put "Development of thermal deformation speed controlled super precision grinding" to practical use, following 3 stage research has been carried out.
    (1) In plunge grinding the grinding heat between the workpiece and wheel increases with the grinding time, and the thermal deformation of workpiece can not be negligible value. The predict system of the thermal deformation of workpiece in plunge grinding of spark-in and spark-out processes has been developed using the side plate workpiece in-process measurement system.
    (2) In this research the thermal deformation of workpiece can not be measured because the size of workpiece has been generated continuously. So that the thermal deformation of workpiece is predicted by the thermal deformation of workpiece this system can predict high precision value of the thermal deformation of workpiece real time data in spark-out process.
    (3) And in this report zero size error grinding method is presented with the predict system of thermal deformation of workpiece measuring the size error of workpiece after the spark-out in-process. In this experiment conditions the high precision grinding of zero size error is made clear that the thermal deformation of workpiece should be measured in-process with the side plate of workpiece.

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  • Super-precision machining using of activate surface phenomenon on the very small electric field

    Grant number:09450061  1997 - 1998

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    NAKAJIMA Toshikatsu, OHASHI Kazuhito, TSUKAMOTO Sinya

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    Grant amount:\15700000 ( Direct expense: \15700000 )

    In order to put "Super-precision machining using of activate surface phenomenon on the very small electric field" to practical use, following two stage research has been carried out.
    (1)Condition optimization of super-precision machining using of activate surface phenomenon on the very small electric field The phenomena in grinding machining are interacted by the tool condition, workpiece condition, relative movement condition, interference condition between workpiece and wheel, machining condition and cooling condition. In the case of super-precision grinding machining using of activate surface phenomenon on the very small electric field, the phenomena are interacted by the intensity of very small electric field and the maximum of cutting depth. Then in this approach the condition optimization of super-precision machining using of activate surface phenomenon on the very small electric field are searched by the objectively evaluation of surface roughness, machining accuracy of workpiece and alteration layer of workpiece.
    (2) Experimental and theoretical research of super-precision machining using of activate surface phenomenon on the very small electric field
    From the research results the grinding surface of the super-precision machining using of activate surface phenomenon on the very small electric field are generated by the huge group of cutting grooves, but the depth are constant by the intensity of very small electric field, so on the surface finish of workpiece is carried out as good condition.

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  • Ultraprecision Cutting of Functional Materials

    Grant number:09650140  1997 - 1998

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    OHASHI Kazuhito, FUJIWARA Takanori, TSUKAMOTO Shinya, NAKAJIMA Toshikatsu

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    Grant amount:\3300000 ( Direct expense: \3300000 )

    The purpose of this research is to obtain fundamental information for making clear the generation mechanism of ultraprecision machined surface of functional materials with mono-crystallin diamond tool. Especially, the function of machined material is affected by the surface finish. Then some factors generating surface finish in ultraprecision cutting of Al-Mg alloy are investigated by analyzing finished surface profile and observing orientation of each crystal grain with ECP method. Main conclusions obtained in this research are as follows : (1) In the case of smaller feed rate, steps are generated at the grain boundary on a finished surface of Al-Mg alloy by ultraprecision cutting and that is one of factors which affect on an increase of surface finish. (2) Steps are generated by the difference of elastic recovery of each crystal grain and are affected by orientation of crystal grains side by side. And the revel of crystal grain becomes higher with approaching its direction to (124) on a stereo triangle. (3) The step on grain boundary is affected by burnishing with a frank and decreases with a decrease of relief angle. (4) The specific cutting force ratio and compressive residual stress increase with an increase of burnishing effect.

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  • 硬脆材料の研削加工における除去形態と脆弱化層の生成機構に関する研究

    Grant number:08650143  1996

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)

    大橋 一仁, 塚本 真也, 中島 利勝

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    Grant amount:\2200000 ( Direct expense: \2200000 )

    研削の基礎現象である一つの砥粒切れ刃の過渡的切削過程において,常圧焼結窒化けい素の仕上面下に残留するクラックによる脆弱化層深さの定量化を試みた.すなわち,成形ダイヤモンド切れ刃を用いて常圧焼結窒化けい素を円弧系切削することによって仕上面下に生成されたクラック層の深さを,セラミックスの破壊を取り扱う上での基本的手法となっている線形破壊力学に基づいて切削抵抗および切削溝深さなどから導いた.そして,クラック層の深さを解析する上で不可欠な特性値と切れ刃の干渉形状との関係を数種類の形状の切れ刃を用いた実験結果から明らかにすることで,脆弱化層深さを定量化するための手法を提言した.そして,仕上面の下に残留するクラック層の深さを求める過程において唯一その値が定かでない影響領域係数を円弧形切削実験結果から明らかにした.
    その結果,影響領域係数は切れ刃の干渉形状に大きく関わっており,切れ刃の干渉形状が球の場合には先端丸み半径に応じた溝深さの指数関数に従って溝深さの増加と伴に減少し,干渉形状が円錐へ移ると切れ刃の頂角に応じた一定の値へ連続的に移行することが明らかになった.また,切れ刃の形状と干渉深さによって決定される影響領域係数,切削溝深さ,切れ刃に作用する垂直力ならびに被削材の破壊じん性値およびポアソン比から脆弱化層の深さを定量的に求めることが可能であることを立証した.さらに,この解析手法を研削加工における個々の砥粒切れ刃の切削現象に適用することによって仕上面下の脆弱化層の規模を予測することが可能となる.

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  • 微小電場における表面活性化現象と超精密加工面創成過程の研究

    Grant number:08650142  1996

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)

    中島 利勝, 大橋 一仁, 塚本 真也

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    Grant amount:\2500000 ( Direct expense: \2500000 )

    (1)微小電場における表面活性化現象と極微小切りくず生成機構の解明
    微粉砥粒を用いた超精密研削加工においても,砥石作用面上の砥粒の通過軌跡つまり砥粒の切込み深さはゼロから次第に増加し,ある点で最大値をとったのち,再びゼロへ減少する機構は変化していない。しかも,微小電場内の金属材料の表層部は活性化され,電場における活性化層深さは,負荷電圧すなわち電場深さによって変化するため,最大砥粒切込み深さを活性化層深さ内外で変化させた単粒研削を行い,砥粒切れ刃の上すべり現象,切りくず生成開始条件,単粒研削溝の形状,切りくず形態,切削抵抗の変化を解析することによって微処電場中での切りくず生成機構を解明することができる。また,負荷電圧を微小化することによって,微小電場を発生させて発生化深さを極めて薄くし,最大砥粒切込み深さが極めて小さい場合の切りくず生成機構をも解明した。
    (2)微小電場の表面活性現象下における超精密研削加工面創成機構の実験的・理論的研究
    超精密研削加工における創成加工面は,砥石作用面に存在する砥粒一つひとつが生成する表面創成溝曲線の集合体として生成されるが,砥石作用面上での砥粒は3次元的に分布し,しかも砥粒支持剛性がそれぞれ変化しているので個々の最大切込み深さは一定ではない。この要因ならびに微小電場による表面活性化層深さは,電場強さに対応した一定値に固定されることのために,各々の砥粒が生成する表面創成曲線は複雑に変化しているものとわかった。また,研削加工においては,設定砥石台切込み量と実砥石切込み量とは,砥石摩耗及び研削抵抗による弾性変位が存在するために一致せず,実砥石切込み量と寸法生成量lとは,接触剛性に起因する切残し量が存在するために異なる。砥石作用面のトポグラフィ及び表面活性化層深さと最大砥粒切込み深さによって決定される砥粒の表面創成曲線を組み合わせることにより微小電場における研削加工面創成機構の実験的・理論的解明を行った。

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  • 超精密研削加工を実現するための基盤技術に関する研究

    Grant number:08650141  1996

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)

    塚本 真也, 大橋 一仁, 中島 利勝

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    Grant amount:\2100000 ( Direct expense: \2100000 )

    「超精密研削加工を実現するための基盤技術に関する研究」を推進するために,以下の2項目の研究計画を有機的に組み合わせて研究を実行した。
    [1]超精密研削加工を実現させるための寸法・形状ならびに表面粗さの熱変形速度制御加工法の開発
    超精密研削加工における寸法・形状精度ならびに表面粗さを,工作物の熱変形速度をインプロセスで計測しながら制御するためには,超精密研削盤のコントロールパネルとシーケンサーパネルにパソコンのD/Aコンバータからパルス状の指令信号を発振させてリアルタイムに適応制御できる制御加工法を確立することが不可欠である。そのためには,まず研削現象量つまり寸法生成量,形状生成量,研削抵抗値,砥石摩耗量,表面粗さなどのデータを高速A/Dコンバータで検出・格納し,これらの現象量を定量的に演算し,さらに超精密研削盤のシーケンサーへ割り込み制御するためのプログラムを構築することが必要となる。そこで,この熱変形速度制御研削加工法の研究計画が本研究の根幹をなすものであるから,際優先に全力で傾注した。
    [2]超精密研削加工ニューロ&ファジィ制御法の構築
    上記の研究計画で確立した熱変形速度制御法ならびにインプロセスオンライン計測システムに,新情報理論すなわちニューロ&ファジィ理論による制御システムを組み合わせることにより,確度の高い寸法・形状精度と表面粗さの知能的予見制御が実現した。

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  • Ultraprecision Grinding Technique of Fine Ceramics with Micro Loose Diamond Grain

    Grant number:07555042  1995 - 1996

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)  Grant-in-Aid for Scientific Research (A)

    NAKAJIMA Toshikatsu, OHASHI Kazuhito, TSUKAMOTO Shinya

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    Grant amount:\7200000 ( Direct expense: \7200000 )

    In this reserch, a new ultraprecision grinding technique of fine ceramics with micro loose diamond grain is proposed by development of a ultraprecision sucking machining apparatus and investigating the new grinding mechanism with the apparatus. Furthermore, machining mechanism is investigated by analyzing flowing behavior of carrier theoretically. Main conclusions obtained in this research are as follows : (1) The ultraprcision sucking machining apparatus, which carrier mixed with micro loose abrasive grains is sucked through the restrictor just above workpiece surface to be machined by a pump, is developed. (2) Stock removal is generated and surface finish is improved with the machining technique. (3) In the case of 2.0mm in clearance of restrictor, highest machining effect is occurred, so that both stock removal and decrease of surface roughness are maximum. (4) Workpiece surface downstream from just under the center of restrictor is machined, and at the machining point generating maximum stock removal, stock removal rate is about 17nm/min. (5) Workpiece material is removed by interference of abrasive grains with not only flowing of carrier through a restrictor but also cavitation occurring downstream from the center of restrictor. (6) Stock removal is expressed as a function of cavitation, clearance and grain number effect, and it can be predicted by three effect of the ultraprecision machining.

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  • ファインセラミックスの研削加工による脆弱化層の生成機構とその定量化の研究

    Grant number:07750148  1995

    日本学術振興会  科学研究費助成事業 奨励研究(A)  奨励研究(A)

    大橋 一仁

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    Grant amount:\800000 ( Direct expense: \800000 )

    本研究では,ファインセラミックスに比較的粗い研削加工を施す場合に,仕上面下の脆弱化層の生成機構の解明ならびにその深さの予測を目的とし,構造用ファインセラミックスの代表である常圧焼結窒化けい素を7種類の異なる形状の円錐成形ダイヤモンド切れ刃で単粒研削した.その結果,砥粒切れ刃との干渉によってファインセラミックスの仕上面直下にマイクロクラック層が形成され,更にその下には研削方向に沿って仕上面からほぼ垂直に伝播するメディアンクラックが残留する層が存在することが確認された.さらに本研究では,線形破壊力学に基づいてクラック層深さを切削抵抗,切削溝深さ,影響領域係数および種々の材料特性値の関数として表す手法を提言した.そして,仕上面の下に残留するクラック層の深さを求める過程において唯一その値が定かでない影響領域係数を円弧形切削実験結果から明らかにした.その結果,影響領域係数は切れ刃の干渉形状に大きく関わっており,切れ刃の干渉形状が球の場合には先端丸み半径に応じた溝深さの指数関数に従って溝深さの増加と伴に減少し,干渉形状が円錐へ移ると切れ刃の頂角に応じた一定の値へ連続的に移行することが明らかになった.この解析手法を研削加工における個々の砥粒切れ刃の切削現象に適用することによって各研削工程における仕上面下の脆弱化層の規模を予測することが可能となり,続く仕上げ工程における加工条件ならびに加工量の設定に大きく貢献することが期待できる.

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  • 微小電場による表面活性化現象を利用した超精密研削加工の研究

    Grant number:07650144  1995

    日本学術振興会  科学研究費助成事業 一般研究(C)  一般研究(C)

    中島 利勝, 大橋 一仁, 塚本 真也

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    Grant amount:\2200000 ( Direct expense: \2200000 )

    微小電場による表面活性化現象を積極的に利用して微粉CBN砥石による超精密研削加工技術を確立するために,次の2段階の研究を遂行した。
    (1)微小電場における表面活性化現象と極微小切りくず生成機構の解明
    微小電場内の金属材料の表層部を活性化させて,最大砥粒切込み深さを活性化層深さ内外で変化させた単粒研削を行い,砥粒切れ刃の上すべり現象,切りくず生成開始条件,単粒研削溝の形状,切りくず形態,切削抵抗の変化を解析することによって微小電場中での切りくず生成機構を解明した。また,負荷電圧を微小化することによって,微小電場を発生させて活性化深さを極めて薄くし,最大砥粒切込み深さが極めて小さい場合の切りくず生成機構をも解明することができた
    (2)微小電場の表面活性化現象における超精密研削加工面創成機構の実験的・理論的研究
    超精密研削加工における創成加工面は,砥石作用面に存在する砥粒一つひとつが生成する表面創成溝曲線の集合体として生成されるが,砥石作用面上での砥粒は3次元的に分布し,しかも砥粒支持剛性がそれぞれ変化しているので個々の最大切込み深さは一定ではない。研削加工においては,設定砥石台切込み量と実砥石切込み量とは,砥石摩耗及び研削抵抗による弾性変位が存在するために一致せず,実砥石切込み量と寸法生成量とは,接触剛性に起因する切残し量が存在するために異なる。砥石作用面のトポグラフィ及び表面活性化層深さと最大砥粒切込み深さによって決定される砥粒の表面創成曲線を組み合せることにより微小電場における研削加工面創成機構の実験的・理論的解明を行ってきた

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  • 精密輪郭研削加工の形状生成過程における熱変形速度制御加工法の開発

    Grant number:07805014  1995

    日本学術振興会  科学研究費助成事業 一般研究(C)  一般研究(C)

    塚本 真也, 大橋 一仁, 中島 利勝

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    Grant amount:\2000000 ( Direct expense: \2000000 )

    「精密輪郭研削加工の形状生成過程における熱変形速度制御加工法の開発」を推進するために,以下の2項目の研究を実行した。
    [1]精密輪郭研削加工を実現させるための寸法・形状ならびに表面粗さの熱変形速度制御加工法の開発
    精密研削加工における寸法・形状精度ならびに表面粗さを,工作物の熱変形速度をインプロセスで計測しながら制御するためには,精密研削盤のコントロールパネルとシーケンサーパネルにパソコンのD/Aコンバータからパルス状の指令信号を発振させてリアルタイムに適応制御できる制御加工法を確立した。まず研削現象量つまり寸法生成量,形状生成量,研削抵抗値,砥石磨耗量,表面粗さなどのデータを高速A/Dコンバータで検出・格納し,これらの現象量を定量的に演算し,さらに精密輪郭研削盤のシーケンサーへ割り込み制御するためのプログラムを構築することが可能となった。CNC研削盤を知能的インプロセス制御することは,極めて困難ではあったが,しかしながら,この熱変形速度制御研削加工法の研究計画が本研究の根幹をなすものであるから,最優先に全力で傾注してきた成果である。
    [2]表面粗さの重畳する熱変形速度のインプロセスオンライン計測システムの開発
    パソコン制御装置と並行に,熱変形速度をインプロセスで計測するシステムを開発した。工作物の熱変形速度の計測手法は,従来の研究テーマにおける10倍の高速演算が必要であるので,新たに開発したプログラムソフトによって実現できた。

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  • 極微小電場を利用した微粉砥石による超精密研削加工の研究

    Grant number:06650145  1994

    日本学術振興会  科学研究費助成事業 一般研究(C)  一般研究(C)

    中島 利勝, 大橋 一仁, 塚本 眞也

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    Grant amount:\2300000 ( Direct expense: \2300000 )

    本研究においては、極微小電場において金属表面の最表層が活性化される現象を利用して、微粉CBNメタルボンド砥石による超精密研削加工技術を確立することを目的とする。まず、CBN砥粒を用いて、極微小電場で過渡的切削を行い、砥粒と被削材との接触開始点近傍の諸現象、単粒研削溝、切りくずを詳細に解析することによって極微小電場における切りくず生成機構を解明する。また、微粉CBNメタルボンド砥石と金属被削材との間に微小電圧を負荷した条件下での研削過程を検討し、研削加工面の創成過程を解明するとともに、研削加工面に結晶内の歪みによって生成される残留応力を定量的に評価することによって、極微小電場における研削加工変質層の生成機構を解明する。
    研削加工における砥粒の切込み深さは、零から次第に増加し、ある点で最大値をとったのち再び零まで減少する。一方、微小電場内の金属材料の表層部は活性化され、電場における活性化層深さは、負荷電圧すなわち電場深さによって変化する。
    そこで本研究においては以上のことを明確にする目的で、(1)研削加工における加工変質層の定量的な解明 (2)仕上面の摩耗特性などを精力的に検討し、次ページの成果を報告した。

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  • 硬脆材料の砥粒微粉による超精密加工に関する基礎的研究

    Grant number:06805011  1994

    日本学術振興会  科学研究費助成事業 一般研究(C)  一般研究(C)

    塚本 眞也, 大橋 一仁, 中島 利勝

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    Grant amount:\2000000 ( Direct expense: \2000000 )

    次世代の超LSIのSiウェハ-上に構成される回路素子においては、0.1μmのゲート幅、0.01μmの許容ゲート位置誤差が要求され、それに対してフットエッチング前のウェハ-の表面粗さと平面度はそれぞれ数nmとサブミクロンの超精密加工が達成されなければならない。超LSIの生産歩留は現在のところ40%程度であり、この低歩留には上記の加工精度がいかに達成困難であるかを反映しているものと考えられる。従来のSiウェハ-の鏡面加工法はメカニカル・ケミカル・ポリッシング法ポリエステル系の研磨布を利用して、粒径0.01〜0.08μmのSiO_2あるいはZrO_2砥粒による機械的・科学的研磨法で行われている。この研磨法の最大の欠点は、研磨布が弾性体であるために、ラッピング盤の回転につれて、研磨布に流体力学的作用で発生するμm単位の皺等の変形に沿って運動する研磨砥粒を含む懸濁液の平行層流が乱れ、その結果、表面粗さと平面度が低下することである。
    以上のことから、次世代の超LSIを高歩留で生産するためには、従来のメカニカル・ケミカル・ポリッシング法の欠点平行層流の乱れ、加工速度の変化を克服する新超精密加工法を開発することが急務な課題である。
    そこで本研究では、この新超精密加工法を開発するための基礎データの収集を目的に、まず工作物の表面粗さの創成機構を明確にする目的での基礎実験を以下のように行った。(1)砥粒切れ刃の支持剛性の定量的な測定(2)砥粒トポグラフィの解析。これらの成果は次ページの論文として報告している。

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  • 研削加工の知的自動化に関する研究

    Grant number:05650119  1993

    日本学術振興会  科学研究費助成事業 一般研究(C)  一般研究(C)

    中島 利勝, 大橋 一仁, 塚本 眞也

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    Grant amount:\2000000 ( Direct expense: \2000000 )

    本研究においては、新しい情報処理技術として発展しつつあるファジィ理論を研削加工システムに応用し、研削加工の知能化を達成することによって研削加工の最適自動化技術を確立することを目的としている。本年度においては、まず、研削現象を理論的実験的に再検証することによって熟練技術者の経験とノウハウを超越する体系的制御則モデルを設定するとともに、予見ファジィ制御方法により最適研削条件の探索を高度なセンシング技術の支援によって行うファジィ・インプロセス制御研削加工技術を確立した。ついで、研削加工の知能化をより高度化するために、研削結果を自己解析し、制御則を修正するとともに知識ベースの増殖を可能とする自律型研削制御技術を開発することによって、研削加工の知的自動化を達成しようとしたものである。具体的には、予見ファジィ制御方式により最適研削条件の探索を行うファジィ・インプロセス制御研削加工技術を開発し、実験的検証を試みた。すなわち、(a)パーソナルコンピュータレベルでのリアルタイム制御型研削加工システムの開発、(b)工作物表面粗さ、工作物熱変形量等の従来ではインプロセスセンシングが実現されていない研削状態の検出・予測技術の確立、(c)研削トラブルのインプロセス予測・診断技術の確立、(d)研削加工の特異性に起因する偏差を検知し、吸収できる柔軟な制御法の開発、さらに(e)学習型ファジィ推論、ニューラルネットワークの自力学習機能への適用の基礎を明確にした。

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  • Production of Aluminium Powdered Poreless Elastic Wheel and Development of Dressing Techniques with Moving Heat Source

    Grant number:03555027  1991 - 1992

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Developmental Scientific Research (B)  Grant-in-Aid for Developmental Scientific Research (B)

    NAKAJIMA Toshikatsu, OHASHI Kazuhito, TSUKAMOTO Shinya

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    Grant amount:\5400000 ( Direct expense: \5400000 )

    The purpose of this study is to establish a thermal dressing technique with moving heat source for aluminium powdered poreless elastic (APPLE) wheel, in which heat resistance of bonding material is markedly lower than that of vitrified bond wheel. Mechanical removal of resinoid bond by means of forced interference with PVA bond wheel has been used for dressing of APPLE wheel, but some problems remain as to dressing efficiency, cutting ability and so on. In this report, a single pulse of CW:YAG laser introduced as a heat source is irradiated or scaned on resinoid stick made up of abrasive grain and resinoid bond to make clear a fundamental phenomenon of laser dressing, analyzing transformation, profile of resinoid surface, stiffness of grain mounting and so on. On the basis of these fundamental data, availability of a dressing technique with YAG laser is proved, investigating grinding characteristics of resinoid bond wheel dressed with both YAG laser and PVA bond wheel. Main conclusions obtained in this report are as follows: (1)Transformation of resinoid bond, releasing abrasive grain and vaporization of bonding material take place in this order with laser irradiation. (2)The depth and diameter of heat affected structure increase with increasing power density or irradiating time of laser. (3)As an abrasive grain is mounted nearer to a beam center in heat affected surface, a stiffness of the grain mounting decreases. (4)Thermal dressing for resinoid wheel result in improvement of ground surface roughness, decrease of grinding forces and extension of the grinding wheel life.

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  • アラミド繊維強化ゴムの精密成形研削加工の基礎的研究

    Grant number:03855019  1991

    日本学術振興会  科学研究費助成事業 奨励研究(A)  奨励研究(A)

    大橋 一仁

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    Grant amount:\900000 ( Direct expense: \900000 )

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  • ファインセラミックスの研削加工変質層の生成機構に関する研究

    Grant number:03650108  1991

    日本学術振興会  科学研究費助成事業 一般研究(C)  一般研究(C)

    中島 利勝, 大橋 一仁, 塚本 真也

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    Grant amount:\1900000 ( Direct expense: \1900000 )

    ダイヤモンド砥石を用いてファインセラミックスを研削加工する場合,加工表面近傍には数々の機械的および熱的要因による加工変質層が生成される。本研究では,それら加工変質層の生成機構を解明するため,研削加工における1個の砥粒切れ刃の切削現象に着目し,サイアロンの円弧形切削実験を行い,切削抵抗,接触圧力および加工表面下に生成されるクラックについて解析を行った。さらに、窒化ケイ素の円筒プランジ研削実験によって極表面の構造の変化などの解析を行った。得られた主な結果は以下のようである.
    (1)サイアロンを過渡的切削する場合の寸法生成量,接触圧力,背分力およびクラック深さの変化過程は,切れ刃の干渉深さによって支配され,最大干渉深さにはほとんど影響されない。
    (2)サイアロンを過渡的切削する場合の切れ刃に作用する平均接触圧力は,弾性接触領域では弾性限界接触圧力まで僅かに増加し,塑性変形領域になると干渉深さの増加に従って塑性限界接触圧力まで急激に増加する。さらに切削領域では,ほぼ塑性限界接触圧力で一定となる。
    (3)過渡的切削過程における接触圧力,背分力および切れ刃の干渉形状などを考慮し,静的干渉における背分力とクラック深さとの理論的関係を導入することで,クラック深さを理論的実験的に予測することが可能である。塑性変形領域では背分力の増加に対し双曲線的にクラック深さは増加し,切削領域では直線的に増加するが,切れ刃の干渉形状によってその勾配は異なる。
    (4)窒化ケイ素を研削加工することによって,その極表面にはケイ素と酸素が化学的に結合したシリカが生成されることが確認された.

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  • 極低速度研削加工における特異現象の発生機構に関する研究

    Grant number:03650107  1991

    日本学術振興会  科学研究費助成事業 一般研究(C)  一般研究(C)

    塚本 眞也, 大橋 一仁, 中島 利勝

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    Grant amount:\1800000 ( Direct expense: \1800000 )

    砥石周速度V_s=1〜3m/sの極低速度域における炭素鋼S45Cの研削時に,砥石摩耗速度の急増に伴って研削抵抗が極小となり,さらに表面粗さが顕著に劣化するなどの特異現象が発生する。本研究ではこの特異現象の発生機構を解明するために,砥粒研削点温度の測定,砥石面付着物の観察さらに付着物と切り屑の硬度比較に関する解析を行った。得られた主な結論は以下のとおりである。
    (1)特異現象は砥粒研削点温度の,ある特定領域で発生し,これは切削加工における構成刃先の発生温度領域が限定される現象と定性的に一致する。
    (2)切り屑と砥石面付着物とには,特異現象の発生領域において硬度差が存在し,これは切削加工の構成刃先と切り屑との硬度差と同程度である。
    (3)特異現象の発生する速度域における砥粒付着物の断面組織は切削加工の構成刃先と同様の層状組織を示す。
    以上の結論から,極低速度域の1〜3m/sにおける砥粒研削点に切り屑硬度以上に加工硬化された層状組織を有する構成刃先が発現するものと推定される。
    また,前報^<1)>で特異現象が発生する速度領域以下では品質・精度の観点から極低速度研削加工の適用範囲が十分に存在することを示した。

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  • サイアロンの精密成形研削加工と加工変質層の生成機構に関する研究

    Grant number:02650097  1990

    日本学術振興会  科学研究費助成事業 一般研究(C)  一般研究(C)

    中島 利勝, 大橋 一仁, 塚本 真也, 宇野 義幸

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    Grant amount:\2000000 ( Direct expense: \2000000 )

    サイアロンは,耐食性,耐熱性などの優れた機械的特性を有する構造用ファインセラミックスである.しかし,サイアロンはその優れた特性ゆえに機械加工することが困難であり,その機能および特性が十分発揮されておらず,最適な機械加工技術の確立が急がれている.そこで,本研究ではメタルボンドダイヤモンド砥石によるサイアロンの表面生成機構,研削過程および形状創成過程の検討,さらに加工表面下に残留したクラックによる脆弱化層の評価を行うことによって,サイアロンの高精度で高品位な成形研削加工を行うための加工技術の確立を目的としている.
    まず,研削加工における1個の砥粒切れ刃による切削現象を解明するため,ダイヤモンド切れ刃を用いてサイアロンの単粒研削実験を行った.その結果,材料除去機構および表面生成機構などによって決定される干渉形態は,切れ刃の最大干渉深さに影響されず,切れ刃の干渉深さに支配されることが明らかとなった.さらに,切れ刃との干渉によって生成残留するクラックについて観察を行い,クラックの生成機構を解明した.また,脆性材料への圧子の静的押込みによって生成されるクラックに関する理論解析を用いて,各干渉形態におけるクラックの伝播深さを切削抵抗の関数として定量的に表現した.すなわち,切削抵抗,切れ刃の平均接触圧力,切れ刃形状および工作物の機械的性質などを求めることにより,クラック深さの定量的把握が可能となった.これらの研究の結果,サイアロンの研削加工する場合の寸法精度および品質に対する砥粒切れ刃,切込み量および速度比など加工条件の関係についての基礎的知見を得たものと考えられる.

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