HIGH-CYCLING FATIGUE LIFE ASSESSMENT OF VEHICLE HYPOID GEARS BASED ON LOAD SPECTRUM
Journal of Mechanical StrengthVol. 47, Issue 2, Pages: 61-67(2025)
作者机构:
1.三峡大学 机械与动力学院,宜昌 443002
2.重庆青山工业有限责任公司 技术中心,重庆 402776
3.重庆大学 高端装备机械传动全国重点实验室,重庆 400044
作者简介:
LI Yao, E-mail: yao_li_@outlook.com
基金信息:
Foud: Hubei Provincial Natural Science Foundation of China(2023AFB066);Opening Foundation of Hubei Key Laboratory of Hydroelectric Machinery Design and Maintenance(2021KJX10)
XIONG Guanglin,LI Yao,DENG Yue,et al. High-cycling fatigue life assessment of vehicle hypoid gears based on load spectrum[J]. Journal of Mechanical Strength,2025,47(2):61-67.
XIONG Guanglin,LI Yao,DENG Yue,et al. High-cycling fatigue life assessment of vehicle hypoid gears based on load spectrum[J]. Journal of Mechanical Strength,2025,47(2):61-67. DOI: 10.16579/j.issn.1001.9669.2025.02.008.
HIGH-CYCLING FATIGUE LIFE ASSESSMENT OF VEHICLE HYPOID GEARS BASED ON LOAD SPECTRUM
For the contact fatigue failure problem of vehicles’ hypoid gears under complex conditions
the rain-flow counting method and Goodman’s average stress equation were used to establish a contact statics model.The load-time history of the contact gear surface was extracted. And the load spectrum of hypoid gears was produced.The research focused on predicting the high-cycling fatigue life of hypoid gears based on the load spectrum.The study also utilized the finite element method to simulate gear teeth’s meshing or contact behaviour under loading conditions. Moreover
the influence mechanism of fatigue damage criterion on the gear fatigue life prediction was revealed.The proposed method is highly significant in assessing and predicting the high-cycling fatigue life of vehicles’ hypoid gears.
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