基于内圈滚道廓形的圆柱滚子轴承旋转精度

余永健; 李济顺; 陈国定; 刘永刚; 薛玉君; 宋飞

doi:10.13224/j.cnki.jasp.2017.01.021

基于内圈滚道廓形的圆柱滚子轴承旋转精度

doi: 10.13224/j.cnki.jasp.2017.01.021

1.
西北工业大学机电学院,西安 710072
2.
河南科技大学河南省机械设计及传动系统重点实验室,河南洛阳 471003
3.
河南科技大学机电工程学院,河南洛阳 471003

基金项目: 国家自然科学基金（51375148）;河南省基础与前沿技术研究计划项目(142300413217);河南省高等学校重点科研项目(15A460022);河南省高校科技创新团队支持计划(15IRTSTHN008)

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出版历程
- 收稿日期: 2015-04-24
- 刊出日期: 2017-01-28

Rotational accuracy of the cylindrical roller bearing based on inner raceway profile

摘要

摘要: 在轴承几何关系和运动关系分析基础上,建立了考虑内圈滚道廓形的圆柱滚子轴承径向跳动数学模型,分析了内圈滚道圆度误差幅值、谐波阶次、滚子个数以及径向游隙对轴承旋转精度的影响规律,并验证了模型的正确性.结果表明:内圈滚道的圆度误差对轴承旋转精度的影响较大,内圈滚道圆度误差幅值对轴承旋转精度影响较大，内圈滚道低阶谐波对轴承旋转精度的影响较高阶谐波显著；当内圈滚道谐波阶次为滚子个数的整数倍时，轴承旋转精度显著下降；减小内圈滚道圆度误差幅值能有效提高圆柱滚子轴承的旋转精度.
- 圆柱滚子轴承 /
- 旋转精度 /
- 内圈滚道廓形 /
- 圆度误差 /
- 滚子个数
Abstract: Based on analysis of the geometric relation and motion relation of bearing, a mathematical model for radial runout of cylindrical roller bearing in consideration of inner raceway profile was developed to investigate the influence of inner raceway roundness error (ie., amplitude, order), the roller number and radial clearance on rotational accuracy. The model was validated to be reasonable by specific spot way. The results indicate that inner raceway roundness error has a significant influence on rotational accuracy of cylindrical roller bearings. The rotational accuracy of cylindrical roller bearings drops sharply with increasing the amplitude of inner raceway roundness error. The effect of loworder harmonic on the rotational accuracy is greater that highorder harmonic. When harmonic order is an integral multiple of the roller number, the rotation accuracy of cylindrical roller bearings significantly reduces. The rotational accuracy of cylindrical roller bearings could be improved by reducing the amplitude of inner raceway roundness error.
- cylindrical roller bearing /
- rotational accuracy /
- inner raceway profile /
- roundness error /
- roller number

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