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

25-04-2021 | ORIGINAL ARTICLE

Improved semi-discretization method based on predictor-corrector scheme for milling stability analysis

Authors: Kenan Liu, Yang Zhang, Xiaoyang Gao, Wanxia Yang, Wei Sun, Fei Dai

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

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Abstract

Chatter has a detrimental effect on the milling process, which makes the chatter stability prediction very critical in milling. This paper presents a new semi-discretization method (SDM) based on predictor-corrector scheme to predict the stability of milling process. Firstly, the dynamic of the milling system is modelled by delay-differential equation (DDE), and the forced vibration duration is divided into many parts. Secondly, the DDE is integrated on the small time interval. The time-delay term and the periodic coefficient matrix are taken as an operator and approximated by second-order interpolation polynomial. And then, the state transition matrix is constructed based on predictor-corrector scheme. The proposed method is validated by comparing it with the benchmark. In general, the proposed method is superior compared with the benchmark in terms of the rate of convergence. Besides, the proposed method is also a robust method. The computational efficiency of the proposed method is proved to be good. For a one degree of freedom (1-DOF) milling system under full immersion condition, the stability lobe diagrams obtained by the proposed method are much closer to the reference than those obtained by the PCHDM and UNIM, especially in the peak of the lobes. The proposed method also can be used to predict the stability for a 2-DOF milling system accurately. It is also indicated from this study that the prediction accuracy of the SDM can be improved by combining the predictor-corrector scheme.

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Literature
22.
go back to reference Li HK, Dai YB, Fan ZF (2019) Improved precise integration method for chatter stability prediction of two-DOF milling system. Int J Adv Manuf Technol 101(1):1235–1246CrossRef Li HK, Dai YB, Fan ZF (2019) Improved precise integration method for chatter stability prediction of two-DOF milling system. Int J Adv Manuf Technol 101(1):1235–1246CrossRef
Metadata
Title
Improved semi-discretization method based on predictor-corrector scheme for milling stability analysis
Authors
Kenan Liu
Yang Zhang
Xiaoyang Gao
Wanxia Yang
Wei Sun
Fei Dai
Publication date
25-04-2021
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/s00170-021-06747-7

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