| 摩托车车架系统疲劳强度分析及寿命预估 |
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| 引用本文： | 朱才朝,张伟敏,乔莉,李旭东.摩托车车架系统疲劳强度分析及寿命预估[J].汽车工程,2007,29(10):900-904. |
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| 作者姓名： | 朱才朝 张伟敏 乔莉 李旭东 |
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| 作者单位： | 1. 重庆大学,机械传动国家重点实验室,重庆,400030
2. 中国嘉陵工业股份有限公司(集团),重庆,630707 |
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| 基金项目： | 教育部跨世纪优秀人才培养计划 |
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| 摘 要： | 对疲劳强度理论进行分析,结合摩托车车架系统的疲劳类型为机械高周变幅疲劳的特点,提出采用安全寿命设计方法分析摩托车车架系统疲劳问题的研究思路。建立了与疲劳试验机试验工况相对应的摩托车车架系统有限元分析模型,对摩托车车架系统疲劳强度进行了计算,在此基础上对该车架系统的疲劳寿命进行了预估,车架疲劳试验机上试验结果验证了理论分析的正确性,为车架疲劳强度分析及寿命预估提供了理论依据。
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| 关 键 词： | 摩托车 车架 疲劳试验机 疲劳强度 寿命预估 |
| 修稿时间： | 2006-10-23 |
Fatigue Strength Analysis and Life Prediction for Motorcycle Frame |
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| Zhu Caichao,Zhang Weimin,Qiao Li,Li Xudong.Fatigue Strength Analysis and Life Prediction for Motorcycle Frame[J].Automotive Engineering,2007,29(10):900-904. |
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| Authors: | Zhu Caichao Zhang Weimin Qiao Li Li Xudong |
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| Institution: | 1. Chongqing University, State Key Lab of Mechanical Transmission, Chongqing 400030 ; 2. China Jialing Industrial Co. ,Ltd, Chongqing 630707 |
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| Abstract: | In view of that the fatigue of motorcycle frame is characterized by mechanical high cycle variable amplitude fatigue,a new method of safe life design is proposed to analyze the fatigue problems in motorcycle frame.A finite element model for motorcycle frame is built and its fatigue strengths under different conditions are calculated,and based on which its fatigue life is evaluated.The result is verified by the test on fatigue machine.This provides a theoretical base for fatigue strength analysis and life prediction for motorcycle frame. |
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| Keywords: | Motorcycle Frame Fatigue machine Fatigue strength Life prediction |
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