THE RESEARCH OF BUSHING STRENGTHENING PROCESS ON SHORT EDGE-MARGIN HOLE

CAO ZengQiang; HU ZhaoYang; GAN XueDong; ZHAO Yong; WANG Jie; HAN ChaoZhong

doi:10.16579/j.issn.1001.9669.2016.05.033

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THE RESEARCH OF BUSHING STRENGTHENING PROCESS ON SHORT EDGE-MARGIN HOLE

更新时间：2022-09-22

- THE RESEARCH OF BUSHING STRENGTHENING PROCESS ON SHORT EDGE-MARGIN HOLE
- Journal of Mechanical Strength Vol. 38, Issue 5, Pages: 1093-1098(2016)
- 作者机构：
  
  1. 西北工业大学机电学院
  2. 成都飞机设计研究所
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2016.05.033
  CLC：
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CAO ZengQiang, HU ZhaoYang, GAN XueDong, et al. THE RESEARCH OF BUSHING STRENGTHENING PROCESS ON SHORT EDGE-MARGIN HOLE. [J]. 38(5):1093-1098(2016)
DOI：

CAO ZengQiang, HU ZhaoYang, GAN XueDong, et al. THE RESEARCH OF BUSHING STRENGTHENING PROCESS ON SHORT EDGE-MARGIN HOLE. [J]. 38(5):1093-1098(2016) DOI： 10.16579/j.issn.1001.9669.2016.05.033.

摘要

针对某型机研制中遇到钛合金耳片结构小边距孔的强化问题,以Forcemate压合衬套为强化方法,研究其对小边距孔的强化效果。结合有限元方法分析干涉量分别为0.5%、1.0%、1.5%、2.0%、2.5%对孔周应力应变的影响,并将小边距孔与常规边距孔的应力结果进行对比。对强化后的耳片施加循环外载,获得干涉量与疲劳寿命之间的关系,最终为最佳工艺参数的选取提供理论依据。

Abstract

Strengthening problem of short-edge hole of titanium lug is an important task during a new aircraft development stage,Force Mate steel bushing process has been carried out to study the fatigue life of short-edge hole. Research the interference of 0. 5% 、1. 0% 、1. 5% 、2. 0% 、2. 5% how to effect the stress and strain around the hole with FEA,and comparisons with shortedge hole and normal hole are made as well. Then apply a cycle load on the lug to predict the fatigue life and provide a theoretical guidance for the optimum technology parameter.

关键词

小边距孔压合衬套干涉配合疲劳寿命

Keywords

Short-edge holeSteel bushingInterference-fitFatigue life

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