Paper Title:
Study on Anastomosis Feature in Polishing Zone in Aspheric Optics Machining
  Abstract

In order to keep the stability of tool’s removal function, it is required that the anastomosis be tight between the tool and workpiece surface in Computer-controlled Optical Surfacing (CCOS). In this paper, the influence of tool’s character on anastomosis status is firstly studied. The relation model on the ratio of radius to thickness, Young's modulus of the tool, normal asphericity and normal arc height of workpiece surface is established, and the macroscopical condition of tight anastomosis is derived in aspheric optics machining. According to the microcosmic distribution of surface error, the mathematical relation between anastomosis error and removal rate is researched. In the end, the influence rule of anastomosis status on the convergence ratio of residual error is analyzed in machining zone. Based on the conclusion of machining instance, it is found that workpiece material would be fast removed in middle contact zone when the peak value of tool’s removal function locates in its center position.

  Info
Periodical
Key Engineering Materials (Volumes 364-366)
Edited by
Guo Fan JIN, Wing Bun LEE, Chi Fai CHEUNG and Suet TO
Pages
584-589
DOI
10.4028/www.scientific.net/KEM.364-366.584
Citation
G. L. Wang, Y. F. Dai, S. Y. Li, "Study on Anastomosis Feature in Polishing Zone in Aspheric Optics Machining", Key Engineering Materials, Vols. 364-366, pp. 584-589, 2008
Online since
December 2007
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$32.00
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