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  • Received: Nov. 27, 2006

    Accepted: --

    Posted: Jun. 27, 2007

    Published Online: Jun. 27, 2007

    The Author Email: Quantang Fan (qtfan@siom.ac.cn)

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    Quantang Fan, Jianqiang Zhu, Bao'an Zhang. Effect of the geometry of workpiece on polishing velocity in free annular polishing[J]. Chinese Optics Letters, 2007, 5(5): 298

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Chinese Optics Letters, Vol. 5, Issue 5, 298 (2007)

Effect of the geometry of workpiece on polishing velocity in free annular polishing

Quantang Fan*, Jianqiang Zhu, and Bao'an Zhang

Author Affiliations

  • Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800

Abstract

Base on Coulomb friction model, the workpieces with different geometry rotating in free annular polishing are simulated. From simulation, the following conclusions are drawn. The angular velocity of workpiece is higher than that of polishing pad if the ring rotates uncontrolled in free annular polishing. The circular workpiece can synchronize with polishing pad through controlling the rotation of ring, which depends on the radii of ring and workpiece, the friction coefficients of polishing pad-workpiece and ring-workpiece, and the angular velocity of polishing pad. The workpiece with sharp corner cannot contact with the ring contiguously, which causes the contact state changing and the angular velocity of workpiece fluctuating ceaselessly, and this type of workpiece should be controlled with clamp to rotate synchronistically with the polishing pad.

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