Failure analysis of energy storage spring of automobile composite brake chamber

Zai Luo; Qing Wei; Xiaofeng Hu

doi:10.1117/12.2084139

6 March 2015 Failure analysis of energy storage spring in automobile composite brake chamber

Zai Luo, Qing Wei, Xiaofeng Hu

Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 94460B (2015) https://doi.org/10.1117/12.2084139
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China

Abstract

This paper set energy storage spring of parking brake cavity, part of automobile composite brake chamber, as the research object. And constructed the fault tree model of energy storage spring which caused parking brake failure based on the fault tree analysis method. Next, the parking brake failure model of energy storage spring was established by analyzing the working principle of composite brake chamber. Finally, the data of working load and the push rod stroke measured by comprehensive test-bed valve was used to validate the failure model above. The experimental result shows that the failure model can distinguish whether the energy storage spring is faulted.

Citation Download Citation

Zai Luo, Qing Wei, and Xiaofeng Hu "Failure analysis of energy storage spring in automobile composite brake chamber", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94460B (6 March 2015); https://doi.org/10.1117/12.2084139

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