| 滚动轴承疲劳定寿中应力-寿命系数的研究及应用 |
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| 引用本文： | 王腾,陆凤霞,靳广虎. 滚动轴承疲劳定寿中应力-寿命系数的研究及应用[J]. 机械工程与自动化, 2012, 0(2): 106-107,110 |
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| 作者姓名： | 王腾 陆凤霞 靳广虎 |
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| 作者单位： | 南京航空航天大学机电学院 |
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| 基金项目： | 南京航空航天大学基本科研业务费资助项目(NP2011026) |
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| 摘 要： | 基于Ioannides-Harris理论,考虑滚动轴承的可靠度-寿命系数和应力-寿命系数,对滚动轴承寿命进行预测。重点讨论应力-寿命系数在完全弹性流体动力润滑条件下,赫兹应力、摩擦切应力、颗粒污染引起的应力、残余应力及材料疲劳极限应力对轴承寿命的影响,并介绍应力-寿命系数的计算方法。
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| 关 键 词： | 滚动轴承 寿命 应力-寿命系数 摩擦切应力 残余应力 疲劳极限应力 |
Research on Stress-Life Factor in Prediction of Fatigue Life of Rolling Bearing |
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| WANG Teng,LU Feng-xia,JIN Guang-hu. Research on Stress-Life Factor in Prediction of Fatigue Life of Rolling Bearing[J]. Mechanical Engineering & Automation, 2012, 0(2): 106-107,110 |
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| Authors: | WANG Teng LU Feng-xia JIN Guang-hu |
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| Affiliation: | (College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | Based on the Ioannides-Harris theory,the paper predicts the fatigue life of rolling bearing by considering the reliability-life factor and the stress-life factor.This paper focuses on the Hertz stress,frictional shearing stress,stress due to particulate contaminants,residual stress,material fatigue limit stress which influence the life of bearing in conditions of elasto-hydrodynamic lubrication.It also discusses the calculation of stress-life factor. |
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| Keywords: | rolling bearing life stress-life factor frictional shearing stress residual stress fatigue limit stress |
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