数控机床定位精度的测试的探讨

首先介绍定位精度和重复定位精度的检测必要性,如何精确测试并计算出这两项指标,选用最合适的计算标准尤为重要;随后介绍了定位精度的先进测试仪器、测试方法、测试数据采集方法;接着介绍了评价定位精度指标的含义、特征值的统计计算法;最后介绍环境因素、环境温度、油系统、机械因素等主要因素对定位精度测试的影响。

The Discussion on Positioning Accuracy Test for CNC Machine Tools

This article first introduces the necessity of the testing of positioning accuracy and repeating positioning accuracy.It is especially important to calculate these two indicators and to choose the most proper one.Then it introduces the advanced testing instruments,testing methods and data collecting methods.The third part includes the meaning of the evaluation of positioning accuracy indicators,the statistical computing eigenvalue methods and the last part introduces the influences of some main factors on the testing of positioning accuracy such as the environment,temperature,oil system and mechanical factors.