Improved full-discretization method for milling chatter stability prediction with multiple delays

Authors:
XiaoJian Zhang;CaiHua Xiong;Ye Ding
Affiliations:
State Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan, China;State Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan, China;State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China
Venue:
ICIRA'10 Proceedings of the Third international conference on Intelligent robotics and applications - Volume Part II
Year:
2010

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Neurocomputing

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Abstract

This paper presents an analytical stability prediction method in milling chatter analysis with multiple delays. The improved full-discretization method is used to determine the critical boundary of chatter stability. The proposed method can take many practical factors into consideration, such as helix angle, non-constant pitch, and cutter runout, etc. The influence of the multiple delays is explored in detail and the simulation results show that the cutter runout has the great influence on the elevation of the stability boundary. The finding proves the validity of the proposed method by experiment verification.