Luster Polish Strengthening for Race Surface of the Mainshaft Bearings of Aeroengine

DENG Si-er; TENG Hong-fei; ZHOU Yan-wei; MA Fu-jian; ZHANG Zhi-hua

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Luster Polish Strengthening for Race Surface of the Mainshaft Bearings of Aeroengine

更新时间：2026-07-07

- Luster Polish Strengthening for Race Surface of the Mainshaft Bearings of Aeroengine
- Vol. 21, Issue 3, (2006)
- 作者机构：
  
  1. 大连理工大学机械工程学院,辽宁,大连,116023
  2. 河南科技大学机械工程学院,河南,洛阳,471003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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DENG Si-er, TENG Hong-fei, ZHOU Yan-wei, et al. Luster Polish Strengthening for Race Surface of the Mainshaft Bearings of Aeroengine[J]. 2006, 21(3).
DOI：

DENG Si-er, TENG Hong-fei, ZHOU Yan-wei, et al. Luster Polish Strengthening for Race Surface of the Mainshaft Bearings of Aeroengine[J]. 2006, 21(3). DOI：

摘要

表面改性处理技术是一种提高航空发动机主轴轴承疲劳寿命的有效途径。在表面改性处理理论分析基础上

提出一种新的航空发动机主轴轴承滚道表面强化处理技术(即光饰强化处理)并研制了相应的光饰强化专用设备——离心强化机

试验结果表明:该技术可以有效地提高航空发动机主轴轴承滚道表面硬度

改善滚道表面粗糙度

并在滚道接触表层产生残余压应力

显著地提高航空发动机主轴轴承疲劳寿命和降低疲劳寿命离散性。

Abstract

The technology of surface modification was an efficient way to increase fatigue life of the mainshaft bearing of the aircraft engines.On the basis of theoretical analysis of the surface modification

this paper proposed a new strengthening treatment technology of the raceway surface for the mainshaft bearings(i.e.luster polish strengthening treatment)

and designed a corresponding special machine for luster polish strengthening treatment(the centrifugal strengthening machine).The experimental results show that the surface hardness of the raceway is increased and the surface roughness is improved and the residual compression stress is produced on the surface of the raceway

the method of luster polish strengthening can increase notably the fatigue life of the mainshaft bearings and decrease the degree of dispersion of fatigue life.

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