Research on the Secondary Compensation Method of the Screw Pitch Error Based on the Laser Interferometer

Abstract:

The screw pitch error of the ball screw is the primary error source of reducing positioning accuracy during the process of error compensation. When using the laser interferometer compensated the screw pitch error, it was difficult to eliminate the influence of the screw pitch error on the positioning accuracy just by the first compensation .this study proposed the secondary compensation method of the screw pitch error based on the initial compensation. in order to avoid the negative effect of the high prices of the automatic compensation software, the fallibility of the manual compensation and the low efficiency of the manual compensation, this article developed a pitch error rapid compensation software. the experiment result demonstrates that the precision index of the CNC machine tools and the efficiency of compensation can be improved obviously by comprehensive using the secondary compensation method and the pitch error rapid compensation software.

• Periodical: Advanced Materials Research (Volumes 1061-1062)
• Pages: 966-969
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1061-1062.966
• Online since: December 2014
• Authors: Xuan Li Shi, Huan Lao Liu*, Hao Li, Can Liu
• Keywords: Laser Interferometer, Screw Pitch Error, Secondary Compensation

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