Cam Profile Grinding CNC System Based on Open Architecture

被引：0
|
作者：
GONG Shi-hua
机构：
来源：
International Journal of Plant Engineering and Management | 2002年 / 02期
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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