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《China Mechanical Engineering》 2016-01
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Research on Reliability Test for Vehicle Structure Components Based on Road Load

Wang Tie;Wu Wenchao;Wang Haipei;Wu Wei;Pan Asia Technical Automotive Center Co.,Ltd.;  
A method of programed load spectrum bench test for vehicle structure component was presented,which was based on the theory of equivalent pseudo-fatigue damage between road load and programed load.By Weibull analysis method,the test strategy was developed which reflected the relations among the confidence level,reliability requirements and sample size.For the research of programed bench test for transmission brackets,the failure mode was duplicated,which had the same root cause and fatigue life compared to the failure on road test.By analysing the data of fatigue life of test samples on bench test,the main reasons for impacting the reliability and durability of bracket were discussed.From the results of bench test,it can be proved that the method of programed load spectrum bench test is valid and more efficient.
【CateGory Index】: U467.3
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