高硬度回转球面精密磨削系统的数字控制技术

摘要

介绍了自主研发的高硬度回转球面精密磨床专用数字控制系统技术特点,阐述了带有专用功能的数控软件的程序结构设计要点、磨削参数动态优化、磨削过程的适应控制等关键技术.数控精密球面磨床已经用于试验加工,试验结果表明,加工后的球阀球体的精度达到了设计指标,满足了实际使用要求.%This paper introduces the numerical control design of a new developed precision spherical grinding machine. The program structure with specific functions of numerical control software was presented. The methods of dynamic optimization of grinding parameters and the adaptive control of grinding process were also discussed. The proposed control technology has been used in the spherical grinding machine which demonstrated that the machining precision of valve ball can meet the industrial requirement.