Yu Yongjian, Li Jishun, Xue Yujun
School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang, 471003, China.
Henan Key Laboratory for Machinery Design and Transmission System, Henan University of Science and Technology, Luoyang, 471003, China.
Sci Rep. 2022 Apr 26;12(1):6794. doi: 10.1038/s41598-022-07718-y.
Understanding the influence of bearing component roundness errors and roller number on the rotational accuracy of rolling bearings is crucial in the design of high precision bearings. The rotational accuracy of an assembled bearing is dependent upon roller number and roundness errors of the bearing components. We propose a model for calculating the rotational accuracy of a cylindrical roller bearing; we experimentally verified the effectiveness of the model in predicting the radial run-out of the inner ring proposed in the previous paper in this series. We sought to define the key contributing factors to the rotational accuracy by studying both the influence of the coupling effect of the roller number and the influence of the roundness errors in the inner raceway, outer raceway, and rollers on the motion error. The model and results will help engineers choose reasonable manufacturing tolerances for bearing components to achieve the required rotational accuracy.
了解轴承部件的圆度误差和滚子数量对滚动轴承旋转精度的影响，对于高精度轴承的设计至关重要。装配好的轴承的旋转精度取决于滚子数量和轴承部件的圆度误差。我们提出了一个计算圆柱滚子轴承旋转精度的模型；我们通过实验验证了该模型在预测本系列前文提出的内圈径向跳动方面的有效性。我们试图通过研究滚子数量的耦合效应的影响以及内滚道、外滚道和滚子的圆度误差对运动误差的影响，来确定影响旋转精度的关键因素。该模型和结果将帮助工程师为轴承部件选择合理的制造公差，以实现所需的旋转精度。
