会议论文详细信息
4th International Conference on Mechanics and Mechatronics Research
Structure Design and Performance Analysis of High-Speed Miniature Ball Bearing
机械制造;无线电电子学
Li, Songsheng^1 ; Zhang, Guoye^1 ; Chen, Bin^1 ; Shen, Yuan^1
School of Mechatronic Engineering and Automation, Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai University, Shanghai
200072, China^1
关键词: Bearing stiffness;    Dynamic performance;    Geometric structure;    Geometry structure;    Performance analysis;    Quasi static analysis;    Structure parameter;    Working performance;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/224/1/012015/pdf
DOI  :  10.1088/1757-899X/224/1/012015
来源: IOP
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【 摘 要 】

The working performances of miniature ball bearings are obviously affected by its' geometric structure parameters. In this paper, quasi-static analysis theory is applied in the design of miniature ball bearings. Firstly, it is studied the influence of geometry structure, preload and rotating speed on the dynamic performance of bearing. Secondly, bearing dynamic characteristics are analyzed which include the bearing stiffness and Spin to roll Ratio. Lastly, the contact stress and bearing life are calculated. The results indicate that structure parameters play an importance role in bearing's dynamic performances. Miniature ball bearings which have lager ball number, bigger ball diameter and smaller inner race groove radius can get better performances while velocity and preload have great impact on the bearing life. So that parameters of miniature bearing should be chosen cautiously.

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