吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (增刊1): 134-139.

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Proposal of new principle for high-order aspherical machining by CNC tangent method

PIAO Cheng-hao, YU Hua-dong, GU Li-dong, GENG Zhen-ye, YU Zheng-lin, XUAN Yang   

  1. College of Electromechanical Engineering, Changchun University of Science and Technology, Changchun 130022, China
  • Received:2010-05-06 Online:2011-09-01 Published:2011-09-01

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Abstract:

The main factors which affect the annulus corrugation error in the midst of the aspherical turning process were specifically analyzed.In addition,a novel principle for the high-order aspherical machining process was proposed.The newly developed principle can make the turning tool exactly move along the tangent direction of the aspherical track which already designed in advance.As a result,the annulus corrugation error can be significantly reduced or eliminated,and the high-accuracy,continuous and smooth optical surface was obtained,so the machining efficiency is improved and the cost is largely reduced.

Key words: machine tool, tangent law, aspheric machining, annulus corrugation error

CLC Number: 

  • TP273


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