基于UMAC五轴磨床伺服系统的回零精度研究  

Research on Zero-return Precision of Five-axis Grinder Servo System Based on UMAC

作　　者：李泽东 孟祥印[1,2] 周亮君 LI Zedong;MENG Xiangyin;ZHOU Liangjun(School of Mechanical Engineering,Southwest Jiaotong University,Chengdu 610031,China;Technology and Equipment of Rail Transit Operation and Maintenance Key Laboratory of Sichuan Province,Chengdu 610031,China)

机构地区：[1]西南交通大学机械工程学院,四川成都610031 [2]轨道交通运维技术与装备四川省重点实验室,四川成都610031

出　　处：《电工技术》2021年第10期43-45,48,共4页Electric Engineering

摘　　要：针对基于光电开关回零方式的回零精度低问题,提出一种结合光电开关和Z向脉冲的控制模式,搭建基于UMAC五轴磨床的数控伺服系统控制平台,以位置模式的控制方法为基础进行全闭环控制,结合光电开关和光栅尺的Z向脉冲共同进行回零精度控制。试验结果表明,结合光电开关和Z向脉冲的控制方式相较于传统控制方式有更高的精度,为机床的定位精度和加工精度奠定了基础。Aiming at the problem of low zero return precision based on photoelectric switch zero return mode,a control mode combining photoelectric switch and Z-direction pulse is proposed.The control platform of CNC servo system based on UMAC five-axis grinder was built.Based on the control method of position mode,the full closed-loop control is carried out,and the zero precision control is carried out jointly by combining the photoelectric switch and Z-direction pulse of grating ruler.The experimental results show that the control mode combining photoelectric switch and Z-direction pulse has a higher precision than the traditional control mode,which provides a foundation for the positioning accuracy and machining accuracy of machine tools.

关 键 词：回零精度 UMAC 全闭环控制 Z向脉冲 

分 类 号：TP29[自动化与计算机技术—检测技术与自动化装置]