激光与光电子学进展, 2017, 54 (2): 021203, 网络出版: 2017-02-10   

转向棱镜引入的机床垂直度测量误差分析 下载: 626次

Analysis for Squareness Measurement Error of Machine Tool Introduced by Steering Prism
作者单位
北京交通大学发光与光信息技术教育部重点实验室, 北京 100044
摘要
采用自行研制的基于单根光纤耦合双频激光的6自由度(6DOF)误差同时测量系统测量了加工中心双轴直线度误差, 通过对两轴直线度误差的线性拟合, 得到两拟合轴的夹角, 间接实现两轴的垂直度测量。利用光线矢量追迹方法建立相应的误差模型, 分析了垂直度测量过程中五角棱镜的安装定位偏差以及加工误差对垂直度测量的影响。实验结果表明, 本测量系统具有很好的准确性, 与商用测量仪对比发现, 两者测量偏差在1″以内。
Abstract
The biaxial straightness of a numerical control machine tool is measured by a self-developed 6-degree-of-freedom (6DOF) motion error simultaneous measurement system based on single fiber-coupled dual-frequency laser. Through the linear fitting of the two-axis straightness error, the angle between the two fitting axes is obtained, and the vertical measurement of the two axes is indirectly realized. The corresponding error model is established by using ray vector tracing method, and the influence of installation and processing error of the pentagonal prism on the measurement error are analyzed. The experimental results show that our system has high accuracy. Compared with commercial measuring instruments, the difference between the measured results is within 1″.

梁允峰, 张斌, 冯其波, 赵宇琼. 转向棱镜引入的机床垂直度测量误差分析[J]. 激光与光电子学进展, 2017, 54(2): 021203. Liang Yunfeng, Zhang Bin, Feng Qibo, Zhao Yuqiong. Analysis for Squareness Measurement Error of Machine Tool Introduced by Steering Prism[J]. Laser & Optoelectronics Progress, 2017, 54(2): 021203.

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