Experimental study on the repeatability of positioning of linear axes of machine tools

Experimental study on the repeatability of positioning of linear axes of machine tools

This study presents experimental investigations on the mechanisms of the repeatability of positioning of linear axes of computer numerical control machine tools. First, the factors affecting the repeatability of positioning of linear axes are obtained based on orthogonal experiments. Second, the mechanism of each factor affecting the repeatability of positioning is studied based on single-factor experiments. Finally, an assembly method to improve the repeatability of positioning of linear axes is proposed. The method can provide designers and workers with informative guidelines for improving the repeatability of positioning in design and assembly processes.

本研究对计算机数控机床直线轴定位重复性的机理进行了实验研究。首先，基于正交实验得出影响直线轴定位重复性的因素。其次，基于单因素实验研究了各因素对定位重复性的影响机理。最后，提出了一种提高直线轴定位重复性的装配方法。该方法可为设计人员和工人在设计和装配过程中提高定位重复性提供有价值的指导方针。