尺寸偏差作用下角接触球轴承载荷分布研究

doi:10.16578/j.issn.1004.2539.2014.03.010

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尺寸偏差作用下角接触球轴承载荷分布研究

更新时间：2025-04-03

- 尺寸偏差作用下角接触球轴承载荷分布研究
- Vol. 38, Issue 3, Pages: 35-40(2014)
- 作者机构：
  
  西安交通大学现代设计及转子轴承系统教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2014.03.010
  CLC： TH133.3
- Published：2014
- 稿件说明：
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[1]周夕维,徐华,熊显智,王琳.尺寸偏差作用下角接触球轴承载荷分布研究[J].机械传动,2014,38(03):35-40.

[J]. 2014, 38(3): 35-40.
[1]周夕维,徐华,熊显智,王琳.尺寸偏差作用下角接触球轴承载荷分布研究[J].机械传动,2014,38(03):35-40. DOI： 10.16578/j.issn.1004.2539.2014.03.010.

[J]. 2014, 38(3): 35-40. DOI： 10.16578/j.issn.1004.2539.2014.03.010.

摘要

滚动轴承载荷分布的求解直接关系轴承承载能力、润滑特性、疲劳寿命等性能指标的计算。针对实际加工过程中存在的尺寸偏差

提出了考虑滚动体尺寸偏差的角接触球轴承载荷分布计算模型

分析了尺寸偏差大小、位置、数目、分布方式对轴承载荷分布的影响以及不同游隙下尺寸偏差的影响效果。通过对7218B型角接触球轴承的计算分析得出如下结论:对单个滚动体尺寸偏差而言

滚动体载荷变动量与尺寸偏差值呈线性关系

与滚动所处周向位置相关

但与轴承游隙无关;对多滚动体尺寸偏差而言

尺寸偏差滚动体的分布方式及相对大小均会对载荷分布产生重要影响。

Abstract

The solution of load distribution of rolling element bearing is closely related to the calculation of some key performance indicators

such as load-carrying capacity

lubrication characteristics

fatigue life and so on.In view of dimension deviation of balls in manufacturing processing

a load distribution model of angular contact bearing in consideration of ball dimension deviation is put forward.Based on the load distribution model

the effects of dimension of off size

circumferential position

number and arrangement of ball dimension deviation on bearing load distribution and the effects of dimension deviation under different clearance are analyzed.Through calculation and analysis of 7218Bangular contact bearing

the follow conclusions are obtained.For single ball dimension deviation

it is found that the magnitude of ball contact loads fluctuation is linearly dependent on the value of dimension deviation

and has no correlation with bearing clearance.In addition

the variation of ball contact load is a function of circumferential position of dimension deviation.For multiple balls dimension deviation

both relative dimension deviation value and arrangement of balls dimension deviation have great effects on load distribution.

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