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An error compensation scheme for multi-axis machine tool using machining method template

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Abstract

In this paper, a software-based geometric error compensation method using the machining method template is proposed to modify the long and complicated G-code file with multiple machining features. Firstly, an error model is established to evaluate the error distribution. Then, a new segmentation method is proposed to split the long multi-axis line into several parts with the same length to eliminate the nonlinear effect. Furthermore, a compensation scheme according to the machining method is presented to determine which segments and axes should be compensated when facing with a long and complicated G-code file. In addition, a framework is developed to process the G-code file with high efficiency. The G-code file is firstly separated into the motion and non-motion command files, which are then merged together to form a new G-code file after the motion commands are modified by an error compensation module. Finally, a machining experiment with a test workpiece containing multiple features is conducted on a five-axis machining center to validate the effectiveness and correctness of the proposed method.

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Authors and Affiliations

  1. School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian, People’s Republic of China

    Jian-xiong Chen & Shu-wen Lin

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  1. Jian-xiong Chen
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  2. Shu-wen Lin
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Correspondence to Jian-xiong Chen.

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Chen, Jx., Lin, Sw. An error compensation scheme for multi-axis machine tool using machining method template. Int J Adv Manuf Technol 90, 3013–3023 (2017). https://doi.org/10.1007/s00170-016-9636-7

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  • DOI: https://doi.org/10.1007/s00170-016-9636-7

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