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Long-stroke fast tool servo and a tool setting method for freeform optics fabrication

机译：长行程快速工具伺服系统及自由曲面光学制造的对刀方法

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摘要

Diamond turning assisted by fast tool servo is of high efficiency for the fabrication of freeform optics. This paper describes a long-stroke fast tool servo to obtain a large-amplitude tool motion. It has the advantage of low cost and higher stiffness and natural frequency than other flexure-based long-stroke fast tool servo systems. The fast tool servo is actuated by a voice coil motor and guided by a flexure-hinge structure. Open-loop and close-loop control tests are conducted on the testing platform. While fast tool servo system is an additional motion axis for a diamond turning machine, a tool center adjustment method is described to confirm tool center position in the machine tool coordinate system when the fast tool servo system is fixed on the diamond turning machine. Last, a sinusoidal surface is machined and the results demonstrate that the tool adjustment method is efficient and precise for a flexure-based fast tool servo system, and the fast tool servo system works well on the fabrication of freeform optics.
机译：快速刀具伺服辅助的金刚石车削对自由曲面光学器件的制造具有很高的效率。本文介绍了一种长行程快速工具伺服系统，以获得大幅度的工具运动。与其他基于挠曲的长行程快速工具伺服系统相比，它具有成本低，刚度高和固有频率高的优点。快速工具伺服系统由音圈电机驱动，并由挠性铰链结构引导。开环和闭环控制测试在测试平台上进行。当快速工具伺服系统是金刚石车床的附加运动轴时，描述了一种工具中心调整方法，以在将快速工具伺服系统固定在金刚石车床上时确认机床坐标系统中的工具中心位置。最后，对正弦曲面进行了加工，结果表明，该工具调整方法对于基于挠曲的快速工具伺服系统是高效且精确的，并且该快速工具伺服系统在自由曲面光学器件的制造中效果很好。

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  • 来源
    《Optical engineering》 |2014年第9期|092005.1-092005.8|共8页
  • 作者

    Qiang Liu; Xiaoqin Zhou; Zhiwei Liu; Chao Lin; Long Ma;

  • 作者单位

    Jilin University, School of Mechanical Science and Engineering, Changchun 0086130025, China;

    Jilin University, School of Mechanical Science and Engineering, Changchun 0086130025, China;

    Jilin University, School of Mechanical Science and Engineering, Changchun 0086130025, China;

    Chinese Academic of Sciences, Changchun Institute of Optics, Fine Mechanics and Physics, Space Optics Research Laboratory, Changchun 0086130033, China;

    Jilin University, School of Mechanical Science and Engineering, Changchun 0086130025, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    diamond turning; fast tool servo; freeform optics; tool centering adjustment;

    机译：金刚石车削快速工具伺服;自由光学刀具对中调整;

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