MATEC Web Conf.
Volume 77, 20162016 3rd International Conference on Mechanics and Mechatronics Research (ICMMR 2016)
|Number of page(s)||5|
|Section||Modeling and Simulation|
|Published online||03 October 2016|
Simulation and Experiment study of ball defects of a two rotors-ball bearing-gear coupling system
1 State Key Laboratory of Engine, Tianjin University, 300072 Tianjin, China
2 Ren’ai College, Tianjin University, 301636 Tianjin, China
A model of a two rotors-ball bearing-gear coupling systems which considering ball defects on bearing was established. In this model the meshing force of gear coupling and ball defects on bearing was considered. A test facility was constructed to verify the simulation results. After simulation and experiment, it was found that there are sideband frequencies beside VC frequency and its multiple frequencies can be found in the faulted rotor system in the spectrum. From the acceleration signal of experiment, it was found the signal of the bearing fault performs as impacts in the high frequency range without any patterns. The characteristics of ball defects of bearing on a two rotors-ball bearing-gear coupling systems were analyzed. It can help analyze the stability of the system and the fault characteristic of ball bearing.
© The Authors, published by EDP Sciences, 2016
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