Faculty Profiles - OHASHI Kazuhito

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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

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

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

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

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

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

Event date： 2013

Language：Japanese

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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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

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

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

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

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

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

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

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

Event date： 2012

Language：Japanese

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

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

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

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

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

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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