吉林大学学报(工学版) ›› 2012, Vol. 42 ›› Issue (02): 354-359.

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Processing high-order aspherical by CNC tangent method

YU Hua-dong, GU Li-dong, PIAO Cheng-hao, 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:2012-03-01 Published:2012-03-01

Abstract: The new principle for high-order aspherical surface machining is discussed. Three feasible machining techniques are analyzed in details, which are the wheel spindle forming methods that which take the workpiece axis, the geometric centre point Q, and point M on the wheel spindle as the rotating centre respectively. In addition, the mathematical models of trajectories of the three machining methods are established. Finally, the best forming technique, i.e. the wheel spindle forming method that takes point M as the rotating centre, is determined according to the requirement of machining performance, the accuracy and dynamic characteristics of the machine tool and the rationality of the structure.

Key words: machine tool, aspherical processing technique, tangent method, numerical control

CLC Number: 

  • TG580.1
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