D8 A Compensation Technique of Machine Tool Thermal Errors Built on Thermal Transfer Functions(Precision positioning and control technology)

概要

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This paper reports on a new compensation method that is built on system of thermal transfer functions. Due to their relative simplicity they enable real-time calculations which make them suitable for compensation algorithms of thermal displacements at tool centre point. The applicability and robustness of the thermal transfer function compensation model have been experimentally verified on a real machine tool. Tested compensation algorithms proved its ability to significantly reduce thermal error. The thermal error minimization of more than 85% of the standard compensation technique based on linear regression model was achieved in particular coordinate direction.
一般社団法人日本機械学会の論文
2009-12-01