四点接触球轴承内外圈沟道圆度误差对旋转精度的影响

陈月; 邱明; 田凯文; 杜辉; 杨旭

doi:10.16578/j.issn.1004.2539.2020.05.006

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四点接触球轴承内外圈沟道圆度误差对旋转精度的影响

理论研究 | 更新时间：2022-11-10

- 四点接触球轴承内外圈沟道圆度误差对旋转精度的影响
- Effect of Roundness Error of Inner and Outer Raceway on Rotation Accuracy of Four-point Contact Ball Bearing
- 机械传动 2020年44卷第5期页码：37-41
- 作者机构：
  
  1.河南科技大学机电工程学院，河南洛阳 471003
  2.河南科技大学机械装备先进制造河南省协同创新中心，河南洛阳 471003
- 作者简介：
  
  陈月（1994— ），男，湖北随州人，在读硕士研究生，主要研究方向机械设计及理论。
  邱明（1969— ），女，江苏无锡人，博士，教授，博士生导师，主要研究方向为轴承的设计理论和动态性能评估。
- 基金信息：
  
  国家重点研发计划(2018YFB200203)
- DOI：10.16578/j.issn.1004.2539.2020.05.006
  中图分类号：
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陈月,邱明,田凯文等.四点接触球轴承内外圈沟道圆度误差对旋转精度的影响[J].机械传动,2020,44(05):37-41.

Chen Yue,Qiu Ming,Tian Kaiwen,et al.Effect of Roundness Error of Inner and Outer Raceway on Rotation Accuracy of Four-point Contact Ball Bearing[J].Journal of Mechanical Transmission,2020,44(05):37-41.
陈月,邱明,田凯文等.四点接触球轴承内外圈沟道圆度误差对旋转精度的影响[J].机械传动,2020,44(05):37-41. DOI： 10.16578/j.issn.1004.2539.2020.05.006.

Chen Yue,Qiu Ming,Tian Kaiwen,et al.Effect of Roundness Error of Inner and Outer Raceway on Rotation Accuracy of Four-point Contact Ball Bearing[J].Journal of Mechanical Transmission,2020,44(05):37-41. DOI： 10.16578/j.issn.1004.2539.2020.05.006.

摘要

以四点接触球轴承为研究对象，针对四点接触球轴承旋转精度开展研究，提出了同时考虑轴承内圈和外圈圆度误差的轴承旋转精度数值计算方法。以轴承径向跳动量描述轴承的旋转精度，根据四点接触球轴承的结构特点及运动关系,构建了轴承径向跳动的数学模型，并基于Matlab编写程序进行仿真计算。结果表明，内圈沟道谐波阶次不变时，轴承的旋转精度会随着谐波幅值的增大而降低；当内圈谐波阶次为3即内圈沟道廓形为三棱圆时，轴承径向跳动最小，轴承旋转精度最高；当外圈圆度误差谐波次数与钢球的个数存在整倍关系时，外圈的径向跳动最大，当外圈圆度误差谐波次数是钢球个数一半的奇数倍时，外圈径向跳动的值最小。

Abstract

Abstract Taking the four-point contact ball bearing as the research object，the research of the rotation accuracy of the four-point contact ball bearing is carried out， and the numerical calculation method of the bearing rotation accuracy considering the roundness error of the inner ring and the outer ring of the bearing is proposed. The radial runout of bearing is used to describe the rotation accuracy. According to the structural characteristics and motion relationship of the four-point contact ball bearing， the mathematical model of the bearing radial runout is constructed，and the program is programmed on Matlab for simulation calculation. The results show that when the harmonic order of the inner raceway is constant， the rotation accuracy of the bearing will decrease with the increase of the harmonic amplitude. When the harmonic order of roundness error of the inner ring is 3，that is，the profile of inner raceway is a triangular circle，the radial runout of the bearing is lowest and the rotation precision of bearing is the highest. The radial runout of the outer ring is the largest when the harmonic order of roundness error of the outer ring is the integral relationship of the number of steel balls. The value of the outer ring radial runout is the smallest when the harmonic order of roundness error of the outer ring is an odd multiple of half the number of steel balls.

关键词

四点接触球轴承旋转精度圆度误差径向跳动

Keywords

Four-point contact ball bearingRotation accuracyRoundness errorRadial runout

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