Real-Time Estimation of Ball-Screw Thermal Elongation Based upon Temperature Distribution of Ball-Screw

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概要

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• The optical telemeter system has been developed, which converts the temperature of rotating spindle to the digital data and carries the digital data from LED on the rotating side toward PD on the stationary side by the optical data transmission. Based upon the temperature distribution of hollow ball-screw obtained by the telemeter system, the thermal elongation of the ball-screw is estimated as the one-dimensional thermal elongation. Estimation accuracy, which is the difference between the estimated thermal elongation and the measured thermal elongation, is -3.1〜+3.2μm for the thermal elongation of 50-60μm over the length of 935.5mm of the ball-screw.

• 一般社団法人日本機械学会の論文
• 2004-12-15

著者

• Masuda Masami

  Graduate School Of Niigata University

• Nagai Yutaka

  Graduate Student Of Niigata University

• KODERA Takehiko

  Graduate student of Niigata University

• YOKOYAMA Kazuhiro

  Niigata University

• MIYAGUCHI Kazuo

  NSK Precision Co., Ltd.

• SUZUKI Takamasa

  Niigata University

• YAZAWA Takanori

  Graduate School of Niigata University

• Miyaguchi Kazuo

  Nsk Precision Co. Ltd.

• Suzuki Takamasa

  Niigata Univ. Niigata Jpn

• Nagai Yutaka

  Graduate School of Medical Science, University of the Ryukyus

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