Finite Element Fatigue Analysis of Rectangular Clutch Spring of Automatic Slack Adjuster

被引：0
作者：
Luo Zai [1 ]
Xu Chen-jie [1 ]
Hu Xiao-feng [1 ]
Jiang Wen-song [1 ]
机构：
[1] China Jiliang Univ, Coll Metrol Technol & Engn, Hangzhou 310018, Zhejiang, Peoples R China
来源：
NINTH INTERNATIONAL SYMPOSIUM ON PRECISION ENGINEERING MEASUREMENTS AND INSTRUMENTATION | 2015年 / 9446卷
关键词：
automatic slack adjuster; finite element; fatigue life; experimental verification;
D O I：
10.1117/12.2180757
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The failure of rectangular clutch spring of automatic slack adjuster directly affects the work of automatic slack adjuster. We establish the structural mechanics model of automatic slack adjuster rectangular clutch spring based on its working principle and mechanical structure. In addition, we upload such structural mechanics model to ANSYS Workbench FEA system to predict the fatigue life of rectangular clutch spring. FEA results show that the fatigue life of rectangular clutch spring is 2.0403x105 cycle under the effect of braking loads. In the meantime, fatigue tests of 20 automatic slack adjusters are carried out on the fatigue test bench to verify the conclusion of the structural mechanics model. The experimental results show that the mean fatigue life of rectangular clutch spring is 1.9101x105, which meets the results based on the finite element analysis using ANSYS Workbench FEA system.
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页数：7
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