Cam Profile Grinding CNC System Based on Open Architecture

被引:0
|
作者
GONG Shi-hua
机构
关键词
cam grinding; CNC system; mathematical model for motion; error compensation;
D O I
10.13434/j.cnki.1007-4546.2002.02.004
中图分类号
TG659 [程序控制机床、数控机床及其加工];
学科分类号
080202 ;
摘要
This paper studies some key technologies of CNC system for cam grinding. The mathematical motion model for cam grinding is established according to the harmony of re-ciprocating motion of the grinding wheel and the rotating motion of the workpiece. The method of using the linear servomotor to accomplish the grinding wheel tracking is devel-oped and the dynamic model of the system is analyzed. Then the cross-coupled biaxial error compensation model is proposed. Finally,the hardware and software of the control system are designed based on open architecture. Some algorithms, such as spline fitting and inter-polation for cam contour, velocity control and feed control,are presented to improve grinding precision.
引用
收藏
页码:82 / 92
页数:11
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