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An improved method for thermally induced positioning errors measurement, modeling, and compensation

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Abstract

In order to accurately identify the thermally induced positioning errors, an improved measurement method is proposed based on the repeatability of a machine tool’s temperature rise process. Using this improved measurement method, the mismatches between the thermally induced positioning errors and the machine temperatures can effectively be avoided. To improve the modeling accuracy and efficiency, the least-square fitting of orthogonal polynomial method is used in this research. Using this error modeling method, the thermally induced positioning errors are fitted by 96.7 %. To realize the thermally induced positioning error compensation, a new error compensation method is proposed based on the network. Experimental results show that the thermally induced positioning errors are compensated by 92.6 % compared with no compensation.

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Correspondence to Kaiguo Fan.

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Jiang, H., Fan, K. & Yang, J. An improved method for thermally induced positioning errors measurement, modeling, and compensation. Int J Adv Manuf Technol 75, 1279–1289 (2014). https://doi.org/10.1007/s00170-014-6193-9

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  • DOI: https://doi.org/10.1007/s00170-014-6193-9

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