On the Occurrence of Regenerative Chatter Vibrations : Vibration, Control Engineering, Engineering for Industry

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概要

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• Cutting forces and deflections of a workpiece are measured from the start of cutting operations and one of the important physical causes of regenerative chatter is found to be a small change of the cutting force that necessarily exists, even in a stable cutting condition. In a stable cutting condition, the workpiece is slightly disturbed by a hammer blow, and the changes of the cutting forces and the workpiece deflections are simultaneously measured. Vibratory parameters of a workpiece, that is, spring constant, damping coefficient and so on are precisely measured, and more suitable equations of motion for chatter vibration are proposed. These proposed differential equations of motion are calculated by a digital computer for two initial conditions : first, the workpiece suffers a small disturbance of displacement ; second, the workpiece is disturbed by a hammer blow. Results of numerical calculations are compared with experimental results, and a good quantitative coincidence is derived.

• 一般社団法人日本機械学会の論文

著者

• Ota H

  Hitachi Instrument Engineering Co. Ltd. Ibaraki Jpn

• Kawai Tadao

  Faculty Of Engineering Mie University

• OTA Hiroshi

  Faculty of Engineering, Nagoya University

• MIZUTANI Kazuki

  Faculty of Engineering, Mie University

• Mizutani K

  Mie Univ. Tsu Jpn

• Mizutani Kazuki

  Faculty Of Engineering Mie University

• Ota Hiroshi

  Faculty Of Engineering Nagoya University

• Ota Hiroshi

  Faculty Of Engineering Gunma University

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