基于高精度位移传感器的机床主轴热变形实时测量  

Research on the Real-time Measurement for the Thermal Distortion of the Spindle in Machine Tools by Using High Accuracy Displacement Sensor

作　　者：曹永洁[1] 傅建中[1] 

机构地区：[1]浙江大学现代制造工程研究所

出　　处：《组合机床与自动化加工技术》2006年第12期42-44,47,共4页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：浙江省科技计划项目(2005E10049)

摘　　要：文章研究了高精度位移传感器在数控机床主轴热变形测量中的应用。考虑到数控机床主轴热变形在热误差研究中的重要性,文中利用基恩士公司生产的高精度CCD激光位移传感器和涡电流位移传感器,对数控机床主轴的热变形进行了实时测量。实验结果表明,所测立式铣床主轴热变形沿Y轴方向最大,在主轴转速5000 r/m in的条件下,约为41μm。This paper presents a real-time measurement based on high accuracy displacement sensor for spindle thermal distortion in machine tools. Considering the importance of the spindle thermal distortion in machine tools, high accuracy CCD laser displacement sensors and eddy current displacement sensor produced by Key- ence are used in the real-time measurement of the spindle thermal distortion in machine tools.According to the result of the experiment, thermal distortion of the Y axis is the largest in a vertical milling machine.On spindle speed of 5000rpm,the largest thermal excursion value is about 41μm.

关 键 词：高精度位移传感器 机床 热变形 实时测量 

分 类 号：TP206.1[自动化与计算机技术—检测技术与自动化装置]