| 球体扩径连接装配式凸轮轴装配过程分析 |
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| 引用本文： | 乔健,寇淑清,孔巧玲,乔建毅.球体扩径连接装配式凸轮轴装配过程分析[J].吉林大学学报(工学版),2011(Z1):115-120. |
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| 作者姓名： | 乔健 寇淑清 孔巧玲 乔建毅 |
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| 作者单位： | 中国科学院长春光学精密机械与物理研究所;吉林大学辊锻工艺研究所;长春工业大学材料科学与工程学院; |
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| 基金项目： | “十五”国家科技攻关项目(2003BA213C,2004BA907A19); 吉林大学“985工程”项目 |
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| 摘 要： | 介绍了装配式凸轮轴钢球扩径连接的连接机理,采用数值模拟方法对钢球扩胀过程中凸轮与空心轴体的等效应力、残余接触压力的分布进行了研究。分析了装配后轴体壁厚的减薄量和凸轮内表面的径向变形情况。结果表明:扩径过程中最大等效应力出现在轴体内表面,且经扩径后凸轮与轴体的最大残余应力出现在临界连接处,相应凸轮该位置的径向位移最大,而轴体与凸轮的扩胀部位对应的径向位移最小,壁厚减薄量却最大。经球体扩径连接试验显示,数值模拟预测结果合理、准确、可靠,可为装配机的设计和装配式凸轮轴的生产提供依据。
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| 关 键 词： | 机械设计 装配式凸轮轴 球体扩径连接 装配过程 数值模拟 |
Analysis of hollow camshaft assembled process on expanding tube connection by pushing through a ball |
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| QIAO Jian,KOU Shu-qing,KONG Qiao-ling,QIAO Jian-yi.Analysis of hollow camshaft assembled process on expanding tube connection by pushing through a ball[J].Journal of Jilin University:Eng and Technol Ed,2011(Z1):115-120. |
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| Authors: | QIAO Jian KOU Shu-qing KONG Qiao-ling QIAO Jian-yi |
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| Affiliation: | QIAO Jian1,KOU Shu-qing2,KONG Qiao-ling2,QIAO Jian-yi3(1.Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China,2.Roll Forging Research Institute,Jilin University,Changchun130022,3.College of Materials and Engineering Sciences,Changchun University of Technology,Changchun 130022,China) |
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| Abstract: | The connection mechanism and advantage of hollow assembled camshaft on expanding tube connection by pushing through a ball was introduced.The numerical simulation was used to analyze the equivalent von Mises stress distribution and residual contact pressure of the shaft and the cam lobes in process of expanding tube connection.The radial displacement and hollow shaft reduction of assembled camshaft on expanding tube connection by pushing through a ball were achieved.The results show the maximum equivalent v... |
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| Keywords: | mechanical design hollow assembled camshaft expanding tube connection by pushing through a ball assembled process numerical simulation |
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