Focusing on accelerated life testing for cylinders

Juan Chen; Jungong Ma; Zhanlin Wang; Andreas Wank

doi:10.1117/12.806752

13 October 2008 Focusing on accelerated life testing for cylinders

Juan Chen, Jungong Ma, Zhanlin Wang, Andreas Wank

Proceedings Volume 7128, Seventh International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment; 71281W (2008) https://doi.org/10.1117/12.806752
Event: Seventh International Symposium on Instrumentation and Control Technology, 2008, Beijing, China

Abstract

The study of accelerated life test on cylinders for pneumatic industry is covered in this paper. Accelerated life testing is valuable tools to get information quickly on life distribution which is achieved by subjecting the test units to conditions that are more severe than the normal ones. Long lifetime pneumatic cylinders are selected as the test object. Section I covers the fault mechanism analysis, the piston and piston pole parking are the weak units as they are movable parts as well as leakage sources which easily result in the cylinders failure. Liquid temperature and operating frequency are chosen as stresses since their accelerating potentials are available for the specific cylinders. The complete ALT data is presented using Weibull distribution. Estimation for the parameters of failure model and other characteristics of cylinders population life distribution are done successfully. From the 3-axis graph plotted, the effects of each stresses to cylinders can be seen clearly which provide useful results for cylinders researcher and developer.

Citation Download Citation

Juan Chen, Jungong Ma, Zhanlin Wang, and Andreas Wank "Focusing on accelerated life testing for cylinders", Proc. SPIE 7128, Seventh International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment, 71281W (13 October 2008); https://doi.org/10.1117/12.806752

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