可补偿任意结构数控机床几何误差的通用后置处理

Journal of Applied Sciences ›› 2002, Vol. 20 ›› Issue (1): 84-89.

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A Generalized Post-processing Algorithm to Compensate Geometric Errors of Multi-axis NC Machine Tools with Arbitrary Configuration

HE Yao-xiong, ZHOU Yun-fei, ZHOU Ji

National ERC of CNC System, Huazhong University of Science & Technology, Wuhan 430074, China

Received:2001-01-18 Revised:2001-05-10 Online:2002-03-31 Published:2002-03-31

Abstract

Abstract: The multi-axis NC machine tool typically consists of two open kinematics chains:workpiece chain and cutter chain. According to this principle, the kinematics model and error model of multi-axis NC machine tools have been analyzed and set up, and then a generalized algorithm for post-processing of multi-axis NC machine tools is presented in this paper. The algorithm can be used to generate the coordinated motion value for all types of multi-axis NC machine with all sorts of errors according to the tool-path generated by the CAM system.

Key words: mechanism, error compensation, numerical control machine tool, numerical control program, post-processing

CLC Number:

HE Yao-xiong, ZHOU Yun-fei, ZHOU Ji. A Generalized Post-processing Algorithm to Compensate Geometric Errors of Multi-axis NC Machine Tools with Arbitrary Configuration[J]. Journal of Applied Sciences, 2002, 20(1): 84-89.

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A Generalized Post-processing Algorithm to Compensate Geometric Errors of Multi-axis NC Machine Tools with Arbitrary Configuration

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