Investigation of the formation of an innovative machined surface by high surface-active and high hydrostatic stresses induced by the plastic shock waves under ultra high-speed cutting conditions

2009 Fiscal Year Final Research Report

• Project/Area Number: 19360057
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Production engineering/Processing studies
• Research Institution: Yokohama National University (2008-2009); Ibaraki University (2007)
• Principal Investigator: SHINOZUKA Jun Yokohama National University, 大学院・工学研究院, 准教授 (30282841)
• Project Period (FY): 2007 – 2009
• Keywords: 超高速切削 / 塑性衝撃波 / 応力波 / 静水圧 / 切削機構 / 仕上げ面性状 / 切りくず生成 / 切削力

Research Abstract

切削速度が被削材の塑性波伝播速度を超える超高速切削過程の切削機構の解明と,超高速切削により新しい切削加工仕上げ面を創成できる可能性について検討した.アルミニウム合金の高速切削過程では,切削速度を高速にすればするほど良好な仕上げ面を創成できること,鉛を用いた超高速切削実験では,切削力は高くなるが,せん断面せん断応力がほぼ0になるという常用の切削理論では説明できない新しい現象が発現することが分かった.

Research Products

• [Journal Article] Fabrication of multiple micro-grooves by ultrasonic machining with a tool that laminated thin hard-material and thin soft-material (2009)
  • Author(s): Jun Shinozuka
  • Journal Title: Advanced Materials Research 76-78 Pages: 577-582
  • Peer Reviewed
• [Journal Article] Microscopic phase-dependent residual stresses in the machined surface layer of two-phase alloy (2009)
  • Author(s): T. Obikawa, Y. Takemura, Y. Akiyama, J. Shinozuka, H. Sasahara
  • Journal Title: Journal of Materials Processing Technology 209 Pages: 4496-4501
  • Peer Reviewed
• [Journal Article] Tools with Built-in Thin Film Thermocouple Sensors for Monitoring Cutting Temperature (2007)
  • Author(s): Ali Basti, Toshiyuki Obikawa, Jun Shinozuka
  • Journal Title: International Journal of Machine Tools and Manufacture 47 Pages: 793-798
  • Peer Reviewed
• [Journal Article] Finite Difference Modeling of Cutting Temperature in Machining of A6061-T6 Aluminum Alloy at Ultra High Cutting Speeds (2007)
  • Author(s): Toshiyuki Obikawa, Ali Basti, Jun Shinozuka
  • Journal Title: Key Engineering Materials 329 Pages: 681-686
  • Peer Reviewed
• [Presentation] 構造材料設計のためのFEM切削シミュレーション (2009)
  • Author(s): 篠塚淳
  • Organizer: 第3回横幹連合コンファレンス
  • Place of Presentation: 東北大学
  • Year and Date: 20091203-20091205
• [Presentation] 不均一材のFEM切削シミュレーション (2009)
  • Author(s): 篠塚淳
  • Organizer: 2009年度砥粒加工学会学術講演会
  • Place of Presentation: ものつくり大学
  • Year and Date: 20090902-20090904
• [Presentation] 薄硬質材-薄軟質材サンドウィッチ工具を用いた超音波加工による微細溝郡の創成 (2009)
  • Author(s): 篠塚淳
  • Organizer: 2009年精密工学会春季大会学術講演会
  • Place of Presentation: 中央大学
  • Year and Date: 20090311-20090313
• [Presentation] Fem Cutting Simulation with a Drucker-Prager Yield Criterion in High-speed and Ultra High-speed Cutting (2008)
  • Author(s): Jun Shinozuka, Takeshi Hatta, Shigekazu Ito, Hiroaki Yoshida, Sachihiro Isogawa
  • Organizer: 8th Asia-Pacific Conference on Materials Processing
  • Place of Presentation: 中国
  • Year and Date: 20080615-20080620
• [Presentation] 切削環境を制御できる高速衝撃切削試験装置の開発 (2008)
  • Author(s): 篠塚淳, 堀江丞
  • Organizer: 2008年精密工学会春季大会学術講演会
  • Place of Presentation: 明治大学
  • Year and Date: 20080317-20080319
• [Presentation] 動的熱弾塑性FEM切削シミュレーションによる高速・超高速切削過程の仕上げ面特性の検討 (2007)
  • Author(s): 篠塚淳, 堀江丞
  • Organizer: 2007年度砥粒加工学会学術講演会
  • Place of Presentation: 東京工業大学
  • Year and Date: 20070905-20070907
• [Presentation] High Levels of Hydrostatic Stress at Shear Zone Induced by Plastic Shock Waves under Ultra High-speed Cutting Conditions (2007)
  • Author(s): J. Shinozuka, T. Obikawa
  • Organizer: 10th CIRP International Workshop on Modeling of Machining Operations
  • Place of Presentation: イタリア
  • Year and Date: 20070827-20070828
• [Presentation] 環境制御型衝撃切削試験機の開発 (2007)
  • Author(s): 篠塚淳, 堀江丞
  • Organizer: 2007年度茨城講演会
  • Place of Presentation: 茨城大学工学部
  • Year and Date: 2007-09-28
• [Remarks]
  • URL: http://www.shinozuka.me.ynu.ac.jp/
• [Patent(Industrial Property Rights)] 超音波加工用工具 (2007)
  • Inventor(s): 篠塚淳
  • Industrial Property Rights Holder: 国立大学法人横浜国立大学
  • Industrial Property Number: 特願・2008-0282520
  • Filing Date: 2007-10-31
• [Patent(Industrial Property Rights)] 高速切削試験装置 (2007)
  • Inventor(s): 篠塚淳
  • Industrial Property Rights Holder: 国立大学法人茨城大学
  • Industrial Property Number: 特許・4171808
  • Acquisition Date: 2007-08-22