超重载滑动轴承EHL数值解快速收敛及粘压指数的影响

doi:10.16578/j.issn.1004.2539.2007.01.002

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超重载滑动轴承EHL数值解快速收敛及粘压指数的影响

更新时间：2025-04-03

- 超重载滑动轴承EHL数值解快速收敛及粘压指数的影响
- Issue 1, Pages: 3-6+97(2007)
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- DOI：10.16578/j.issn.1004.2539.2007.01.002
  CLC： TB115;TH133.31
- Published：2007
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[1]岑少起,张少林,郭红.超重载滑动轴承EHL数值解快速收敛及粘压指数的影响[J].机械传动,2007(01):3-6+97.

[J]. 2007, (1): 3-6+97.
[1]岑少起,张少林,郭红.超重载滑动轴承EHL数值解快速收敛及粘压指数的影响[J].机械传动,2007(01):3-6+97. DOI： 10.16578/j.issn.1004.2539.2007.01.002.

[J]. 2007, (1): 3-6+97. DOI： 10.16578/j.issn.1004.2539.2007.01.002.

摘要

收敛速度极慢甚至发散一直是超重载（偏心率ε≥1）径向滑动轴承EHL（弹性流体动力润滑）数值解的难题之一

而同时计入轴颈和轴瓦的动变形后其收敛情况更为复杂。本文在对弹性位移取“双重均值”的基础上

对压力分布亦采取相应措施

同时优化偏位角的加权因子

获得了较好效果。利用有限元方法

首次求得了同时计入轴颈和轴瓦动变形时ε=0.99～1.03的静特性。特别值得注意的是

在ε≥1.02时

沿轴向压力分布出现二次压力峰值。本文还讨论了粘压指数对静特性的影响。

Abstract

It is a well-known difficult problem in EHL numerical computation of sliding bearing under super heavy load that convergence speed is very slow even it is divergence.And the convergence condition changes more complicated when dynamic elastic deformation of the journal and bearing tile is at the same time reckoned in.The corresponding measure is took for pressure

which the dynamic elastic deformation is treated as "double average" in iterative course

at one time the weighting factor of the attitude angle is optimized.The pressure distribution

load coefficient and static characteristics.are first obtained

when ε=0.99～1.03 and dynamic elastic deformation of the journal and bearing tile is numbered by using finite element method.It is worth notice specially that the pressure distribution along shaft direction presents itself second pressure peak value when.The influence of the viscosity-pressure relation on static characteristics is also discussed.

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