Research on Rotary Parts Vibration Suppression Based on Coaxiality Measurement and Unbalance Constraint

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ID: 266876
2021
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Abstract
To suppress the vibration of rotary parts, this paper established an unbalanced vibration response control model of rotary parts based on rotating axis coordinate system. This model considered the stacking transformation of geometric parameter errors and mass parameter errors of single stage rotor. First of all, the centroid transfer model based on the actual rotation axis was established, and the unbalanced excitation force vector of each stage of the rotor was studied. Secondly, the unbalanced excitation force vector of each stage of the rotor is substituted into the model of assembly vibration control based on the double constraints optimization strategy. Finally, the simulation analysis and the vibration experiment of three-stage rotor stacking assembly is carried out. The results show that the vibration of the engine rotor can be effectively suppressed by adjusting the assembly phase of the rotors, and the vibration amplitude of the combined rotor assembled by the double constraint optimization assembly strategy is 22.5% less than the vibration amplitude assembled by the direct assembly strategy. Besides, the coaxiality and the unbalance are reduced by 44.1% and 78.4%, which fully shows the advantages of the double constraint optimization assembly strategy.
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liu2021appliedresearch Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yongmeng Liu;Ruirui Li;Chuanzhi Sun;Ze Chen;Yingjie Mei;Pinghuan Xiao;Xiaoming Wang;Chengtian Li;Liu, Yongmeng;Li, Ruirui;Sun, Chuanzhi;Chen, Ze;Mei, Yingjie;Xiao, Pinghuan;Wang, Xiaoming;Li, Chengtian;
Journal applied sciences
Year 2021
DOI
10.3390/app11125747
URL
https://www.mdpi.com/2076-3417/11/12/5747/htm
Keywords
rotary parts centroid coordinate transformation double constraint assembly phase vibration suppression

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