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Vibration suppression of complex thin-walled workpiece based on magnetorheological fixture

  • Xiaohui JiangEmail author
  • Guokuan Zhao
  • Weiwei Lu
ORIGINAL ARTICLE
  • 39 Downloads

Abstract

According to the weak rigidity and complex structure of aerospace thin-walled parts, an auxiliary support method based on magnetorheological fluid, a dynamic model, and a simulation prediction model are proposed. In this paper, the magnetic field distribution in the space of magnetorheological fluid fixture is simulated, analyzed, and measured. Then, the magnetic force is deduced and the empirical formula of milling force is adopted. Based on the Rayleigh damping matrix and the Equivalent force principle, the dynamic model of magnetorheological fluid fixture-complex workpiece is established. In order to find the optimum parameters of magnetorheological fluid (MRF) fixture, the effects of MRF volume, the location, and the magnetic field intensity on vibration suppression are analyzed. Hence, the conclusion is validated by the design of MR fixture experiment and simulation experiment, and the processing quality of thin-walled workpiece has been improved by maching tests.

Keywords

Aerospace thin-walled workpiece Magnetorheological fluid Vibration suppression Milling 

Notes

Funding information

This project is supported by Innovation Funding of Shanghai Aerospace Science and Technology [grant number SAST2019-065] and National Natural Science Foundation of China (Grant No.51505291).

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringUniversity of Shanghai for Science and TechnologyShanghaiChina

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