期刊论文

Study on Positioning Error of CNC Milling Machine Based on Multi-factors

中文

组合机床与自动化加工技术

1001-2265

2018

4

80-83+87

10.13462/j.cnki.mmtamt.2018.04.020

湖南省自然科学基金（2016JJ6128）；

本校为第一机构

定位误差测量的可靠程度决定了能否有效提高数控铣床的定位精度。采用Laser XL-30激光干涉仪对MVC850B数控铣床进行定位误差测量实验,研究了不同条件因素对定位误差的影响。在实验测量过程中,首先利用环境参数补偿方法进行试验对比,得出环境参数（包括气温、气压、湿度）对定位误差测量的影响。然后以进给速度、测量间距、加工时间为自变量因素,反向间隙误差和螺距累积误差作为响应结果,利用三因素双目标统计分析方法,得到不同因素对响应结果的影响程度,同时发现数控铣床定位误差与自变量的变化关系。最后通过观察某一段时间内定位误差的概率分布曲线,进一步得到误差测量的可靠度和机床运动精度...

The reliability of positioning error measure determines whether the positioning accuracy of NC milling machine can be improved effectively. The error measurement experiment of MVC850B CNC milling machine was carried out by LaserXL-30 laser interferometer,and the influence of different condition factors on positioning error was studied. In the process of experiment,firstly,the effects of environmental parame-ters(including air temperature,air pressure and humidity) on the measurements of positioning error were obtained by using the compensation method of environmental parameters. Then, the infl...