| QU Yan-jing1, YANG Shen-rang2, SHI Yan-yan1, LIU Hai-nian1.Research and Application on Reliability Calculation Model of a Gear Based on Strength Reduction[J].航空发动机,2017,43(5):35-38 |
| Research and Application on Reliability Calculation Model of a Gear Based on Strength Reduction |
| DOI： |
| Key Words:gear failure mode stress-strength interference model strength reduction reliability aeroengine |
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| Abstract:In order to study the influence of strength reduction on the reliability of gears, a gear with variety of failure modes in
conventional environment was introduced through the conditional probability, considering the part failure correlation and material
performance degradation factors. A reliability calculation model of gear was developed using the dynamic stress-strength interference model.
Taking the reliability calculation of a gear as an example, he calculation results show that the reliability of gear is decreased gradually with
the extension of working time, and the accuracy of the model is verified. |
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