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数控机床热误差实时补偿应用
引用本文:杨建国,张宏韬,童恒超,曹洪涛,任永强.数控机床热误差实时补偿应用[J].上海交通大学学报,2005,39(9):1389-1392.
作者姓名:杨建国  张宏韬  童恒超  曹洪涛  任永强
作者单位:上海交通大学,机械与动力工程学院,上海,200030
基金项目:高等学校全国优秀博士学位论文作者专项资金资助项目(200131);上海市引进技术的吸收与创新年度计划项目(04-62).
摘    要:将由机床热变形引起的、决定工件加工误差的工件与刀具间相对热位移通过机床数控系统的外部机床坐标系偏置来实现实时补偿,并研制开发了高精度、低成本、满足实际加工要求的热误差实时补偿控制器,经数家企业实际生产使用,数控机床的加工精度大幅度提高,从而验证了本方法的正确性和本实时补偿控制器的有效性。

关 键 词:数控机床  热误差  实时补偿控制器
文章编号:1006-2467(2005)09-1389-04
收稿时间:2004-11-29
修稿时间:2004年11月29

The Application of Real-Time Thermal Error Compensation on NC Machine Tools
YANG Jian-guo,ZHANG Hong-tao,TONG Heng-chao,CAO Hong-tao,REN Yong-qiang.The Application of Real-Time Thermal Error Compensation on NC Machine Tools[J].Journal of Shanghai Jiaotong University,2005,39(9):1389-1392.
Authors:YANG Jian-guo  ZHANG Hong-tao  TONG Heng-chao  CAO Hong-tao  REN Yong-qiang
Institution:School of Mechanical Eng. , Shanghai Jiaotong Univ. , Shanghai 200030
Abstract:Thermal error is one of the most significant factors affecting the accuracy of machine tools. A real-time thermal error compensation controller was developed based on the computer numerical control (CNC) shift function of external coordinate system. The technology of real-time thermal error compensation was implemented on NC machine tools in several plants, and the precision of the NC machine tools are improved greatly, which verifies the correctness of the method and the effectiveness of the controller.
Keywords:NC machine tool  thermal error  real-time compensation controller
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