Finite-element modeling of the failure of interference-fit planet carrier and shaft assembly

被引：24
|
作者：
Hao, Dongsheng [1 ]
Wang, Delun [1 ]
机构：
[1] Dalian Univ Technol, Sch Mech Engn, Dalian 116024, Liaoning Provin, Peoples R China
来源：
ENGINEERING FAILURE ANALYSIS | 2013年 / 33卷
关键词：
Interference-fit; Planet carrier; Finite element method; Contact problem; SHRINK; FATIGUE;
D O I：
10.1016/j.engfailanal.2013.04.029
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A planet carrier and shafts assembly with interference-fit was modeled based on 3-D finite element method by applying thermal loads to the shafts with orthotropic coefficients of thermal expansion. A 3-D finite element contact model verified that the contact pressure is identical compared with the calculated pressure by Lame's equations for the thick-wall cylinder interference-fit. A displacement history analysis by the 3-D finite element multi-contact simulation under alternate loads reveals the root cause for the interference-fit shafts coming out of the planet carrier after 65 h of planetary gear reducer working test. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：184 / 196
页数：13
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