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Improving the Computational Efficiency of Stability Prediction in Milling Employing the Two-Dimensional Bisection Method

[+] Author Affiliations
Yakun Xie, Xiaojian Zhang, Sijie Yan, Han Ding

Huazhong University of Science and Technology, Wuhan, China

Paper No. IMECE2016-66512, pp. V04BT05A065; 8 pages
doi:10.1115/IMECE2016-66512
From:
  • ASME 2016 International Mechanical Engineering Congress and Exposition
  • Volume 4B: Dynamics, Vibration, and Control
  • Phoenix, Arizona, USA, November 11–17, 2016
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5055-8
  • Copyright © 2016 by ASME

abstract

This paper presents an effective method to improve the computational efficiency of stability prediction in milling based on the two-dimensional bisection method. Contrasted with the traditional semi-analytical time-domain methods, the proposed method for stability prediction only checks the eigenvalues of less nodes on the parameter plane with the two-dimensional bisection method, so that, the computational efficiency of stability can be improved. The novel method for milling stability calculation is comprised of the bisection method in two dimensions and the numerical integration method [NIM], its validity is testified by the comparison of the stability diagram and computation time in contrast to the NIM. The computation demonstrates that the calculated stability diagram by using the presented method agrees well with the result of NIM, while the computation time of the stability diagram can reduce to 1/4 to 3/4 compared with the original methods.

Copyright © 2016 by ASME
Topics: Stability , Milling

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