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Published in: The International Journal of Advanced Manufacturing Technology 11-12/2021

09-06-2021 | ORIGINAL ARTICLE

Modeling and compensation of comprehensive errors for thin-walled parts machining based on on-machine measurement

Authors: Zhengchun Du, Guangyan Ge, Yukun Xiao, Xiaobing Feng, Jianguo Yang

Published in: The International Journal of Advanced Manufacturing Technology | Issue 11-12/2021

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Abstract

Thin-walled parts are widely applied in the automotive and aerospace industry for their superior properties. However, severe machining error may occur due to their low rigidity under the effects of multiple error sources in the machining process. Solutions based on mechanism analysis and finite element method have been developed while most of them are not robust under the complex machining conditions. Aiming to solve this problem, a comprehensive error compensation method that includes three major error sources, which are geometric error, thermal error, and force-induced error, is proposed. The geometric error and thermal-induced error of the machining center are firstly modeled and compensated to provide a high precision movement system for the on-machine measurement inspection. The force-induced error model is then established based on the probing data. Finally, the comprehensive error model is obtained through the transformation of the coordinate systems. Besides, a real-time compensation system is developed based on the specific functions of the NC system. To validate the proposed method, two sets of compensation cases are conducted, the objects of which are a thin web workpiece and a valve body part, respectively. The experiment results reveal that the machining errors of both experiment sets are decreased by more than 60.7% and the machining productivity is improved by more than 41.9%.

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Literature
16.
go back to reference Zhang Y, Zhang DH, Wu BH (2015) An adaptive approach to error compensation by on-machine measurement for precision machining of thin-walled blade. In: IEEE/ASME International Conference on Advanced Intelligent Mechatronics. AIM, IEEE, pp 1356–1360 Zhang Y, Zhang DH, Wu BH (2015) An adaptive approach to error compensation by on-machine measurement for precision machining of thin-walled blade. In: IEEE/ASME International Conference on Advanced Intelligent Mechatronics. AIM, IEEE, pp 1356–1360
Metadata
Title
Modeling and compensation of comprehensive errors for thin-walled parts machining based on on-machine measurement
Authors
Zhengchun Du
Guangyan Ge
Yukun Xiao
Xiaobing Feng
Jianguo Yang
Publication date
09-06-2021
Publisher
Springer London
Published in
The International Journal of Advanced Manufacturing Technology / Issue 11-12/2021
Print ISSN: 0268-3768
Electronic ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-021-07397-5

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