| 滚子接触边缘效应实验研究 |
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| 引用本文： | 魏延刚,李曼林.滚子接触边缘效应实验研究[J].大连铁道学院学报,2006,27(2):25-28,33. |
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| 作者姓名： | 魏延刚 李曼林 |
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| 作者单位： | 大连交通大学机械工程学院 大连116028 |
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| 基金项目： | 辽宁省教育厅科学研究计划资助项目（202033222） |
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| 摘 要： | 利用通用接触疲劳实验机,通过实验模拟合理设计出滚子接触边缘效应实验试件,用实验证明了直母线滚子接触受载后存在边界应力集中现象,即:所谓的“边缘效应”;间接证明了深穴滚子结构可以降低或避免滚子接触“边缘效应”,从而提高零部件的接触疲劳寿命.
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| 关 键 词： | 滚子 边界应力集中 有限元分析 接触应力 |
| 文章编号： | 1000-1670（2006）02-0025-05 |
| 收稿时间： | 2005-11-13 |
| 修稿时间： | 2005-11-13 |
Experiment Study of Roller Contact Edge Effect |
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| WEI Yan-gang, LI Man-lin.Experiment Study of Roller Contact Edge Effect[J].Journal of Dalian Railway Institute,2006,27(2):25-28,33. |
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| Authors: | WEI Yan-gang LI Man-lin |
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| Institution: | School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028 |
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| Abstract: | Test parts were designed with the help of experiment, simulation and the experiments on contact edge effect were couducted using general contact fatigue test machine.The experiment results prove that the ends of the roller exist in stress concentrations,wich indirectly proves that deep cavity structure can decrease or prevent the stress concentrations to improve fatigue life of the parts. |
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| Keywords: | roller edge concentration stress finite element analysis contact stress |
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