Arc Envelope Grinding of Non-Axisymmetric Aspheric Surface Using Equal-Envelope Height


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An arc envelope grinding method for non-axisymmetric aspheric surface was proposed in order to achieve the mould core used for the precision injection molding of optic reflector. In grinding, the arc-shaped diamond grinding wheel trued on CNC grinder was used to envelope workpiece and generate curve surface, and the spacing distance between tool paths is controlled by the equal-envelope height between wheel and workpiece. In this paper, arc envelope grinding principle was investigated in connection with wheel coordinate calculation and tool path number. The theoretical analysis and grinding experiment showed that arc envelope grinding may improve form grinding efficiency especially for large curvature and smoothness of ground surface and a smooth curve surface can be produced when the equal-envelope height is less than a certain value.



Materials Science Forum (Volumes 532-533)

Edited by:

Chengyu Jiang, Geng Liu, Dinghua Zhang and Xipeng Xu




J. Xie and W. W. Xu, "Arc Envelope Grinding of Non-Axisymmetric Aspheric Surface Using Equal-Envelope Height", Materials Science Forum, Vols. 532-533, pp. 189-192, 2006

Online since:

December 2006





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