Mechanical Engineering Science

Research on the Influence of Raceway Waviness on the Vibration Characteristics of Deep Groove Ball Bearings

CHENYuanlong (School of Mechanical Engineering, Hefei University of Technology), ZHOUJiarui (School of Mechanical Engineering, Hefei University of Technology), WENXinyu (School of Mechanical Engineering, Hefei University of Technology), WANYANShaoqi (School of Mechanical Engineering, Hefei University of Technology), WANGYuqing (School of Mechanical Engineering, Hefei University of Technology)

Abstract


The dynamics model of a 2-degree-of-freedom deep groove ball bearing is established by incorporating the raceway surface waviness model comprising multiple sinusoidal functions superposition. The model is solved using the fourth-order Runge-Kutta method to obtain the vibration characteristics including displacement, velocity, acceleration, and frequency of the bearing. Validation of the model is accomplished through comparison with theoretical vibration frequencies. The influence of the amplitude of waviness of the inner and outer ring raceway surfaces of deep groove ball bearings on the vibration displacement, peak-to-peak vibration displacement and root-mean-square vibration acceleration is analyzed, and the results show that as the amplitude of the inner and outer ring raceway surfaces waviness increases, all the vibration characteristic indexes increase, indicating that the vibration amplitude of the bearings as well as the energy of the waviness-induced shock waveforms increase with the increase of the amplitude of the waviness.

Keywords


Waviness; Deep groove ball bearing; Vibration characteristics; Dynamics

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DOI: https://doi.org/10.33142/mes.v6i1.13223

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Copyright (c) 2024 Yuanlong CHEN, Jiarui ZHOU, Xinyu WEN, Shaoqi WANYAN, Yuqing WANG

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