基于840D数控系统温度补偿功能的误差补偿系统  

Error Compensation System Based on Temperature Compensation Function of 840D CNC System

作　　者：李伟[1] 梁睿君[1] 王志强[1] LI Wei;LIANG Ruijun;WANG Zhiqiang(College of Mechanical and Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)

机构地区：[1]南京航空航天大学机电学院,江苏南京210016

出　　处：《机械制造与自动化》2021年第2期91-94,共4页Machine Building & Automation

基　　金：国家自然科学基金资助项目(51575272)。

摘　　要：为提高机床加工精度,通过分析西门子840D数控系统内置的温度误差补偿功能,基于温度补偿相关参数设计并开发了误差实时补偿系统。为了实施误差补偿,搭建补偿系统的硬件平台,通过修改PLC程序实现了对机床状态参数的读写。以QLM27100-5X五轴数控机床为研究对象,对x轴定位误差进行误差补偿实验。实验结果表明补偿后的机床加工精度提高了79.3%。In order to improve the machining accuracy of machine tools,a real-time error compensation system was designed and developed based on the relevant parameters with the analysis of the built-in temperature error compensation function of SIEMENS 840D CNC system.To achieve the error compensation,the hardware platform of the compensation system was built,and the reading and writing of the machine state parameters were realized by modified PLC program.Taken QLM27100-5X five-axis CNC machine tool as the research object,an error compensation experiment was performed on the x-axis positioning error.The experimental results show that the machining accuracy after compensation is improved by 79.3%,which proves the effectiveness of the real-time error compensation system.

关 键 词：数控系统 误差补偿 温度补偿 加工精度 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]