Volumetric Positioning Errors of CNC Machining Tools and Laser Sequential Step Diagonal Measurement

Abstract:

The volumetric positioning precision of CNC machine tools is the key factor to get high machining precision, so the analysis, measurement and compensation of the volumetric error is becoming more and more important. In this paper, the modeling results of 3-axes CNC machine tools with four different configurations are given based on rigid body theory and homogeneous coordination transformation matrices. An improved sequential step diagonal measurement method is proposed and analyzed because the current laser measurement methods are complex and time cost. At the final section of the paper, the measurement data was applied into the error compensation and the sequential step diagonal measurement method was validated efficient and convenient.

• Periodical: Key Engineering Materials (Volumes 315-316)
• Pages: 98-102
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.315-316.98
• Online since: July 2006
• Authors: J.H. Shen, H.T. Zhang, Hong Tao Cao, Jian Guo Yang, C. Wang
• Keywords: CNC Machine Tool, Diagonal Measurement, Error Compensation, Volumetric Positioning Errors

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