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工程科学与技术:2014,46(5):168-174
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齿上开槽对滤波减速器力学性能的影响
(1.四川大学 制造科学与工程学院;2.四川大学 空天科学与工程学院)
Effects of Tooth Slotting on Mechanical Properties of Filtering Reducer
(1.School of Manufacturing Sci. and Eng.,Sichuan Univ.;2.School of Aeronautics and Astronautics,Sichuan Univ.)
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投稿时间:2014-01-07    修订日期:2014-05-16
中文摘要: 使用有限元法研究滤波减速器轮齿上开槽对滤波减速器轮齿的动力学性能和传动性能的影响。通过对滤波减速器齿上不同开槽形状进行有限元对比分析,结果显示直槽对轮齿力学性能有很好的改善作用。在此基础上分析了直槽的槽深、槽宽、应力释放孔大小和应力释放孔与直槽的倒角大小对轮齿力学性能的影响以及不同载荷下轮齿应力分布情况。研究结果表明:在滤波减速器齿上开直槽,当槽深大于轮齿模数的3倍,应力释放孔和倒角的半径大于槽宽的10倍,槽缝宽度不超过轮齿模数的1/10时,其接触应力、弯曲应力和冲击振动较小。
Abstract:The influence of slotting on the mechanical properties and transmission performance of gear teeth of filtering gear reducers was studied through finite element method.According to the comparative results of different slot shapes,it is found that straight slot has very good effect on mechanical properties of the gear tooth.Then the influence of slot depth,pore size,stress release hole and the chamfer size was analyzed, cases with different applied loads were also simulated.Finally,the results showed that the straight slot on Filtering Gear Reducer when its depth is three times bigger than the modulus of the teeth, the radius of stress release hole and the chamfer are both ten times bigger than the pore size,and pore size is smaller than ten percent of the modulus of the teeth, can effectively improve the mechanical properties of the tooth and reduce the vibration caused by gear meshing.
文章编号:201400029     中图分类号:    文献标志码:
基金项目:国家自然科学基金面上项目资助(51375506);高等学校博士学科点专项科研基金资助项目(20120181130012);中央高校基本科研业务费资助项目(2014SCU11009)
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王家序,汪正炜,蒲伟,周广武,何涛,张渝爽.齿上开槽对滤波减速器力学性能的影响[J].工程科学与技术,2014,46(5):168-174.
Wang Jiaxu,Wang Zhengwei,Pu Wei,Zhou Guangwu,He Tao,Zhang Yushuang.Effects of Tooth Slotting on Mechanical Properties of Filtering Reducer[J].Advanced Engineering Sciences,2014,46(5):168-174.