Analysis on Fatigue Life and Mechanical Property of Flexspline of Harmonic Reducer

Can Wu; Menglun Tao; Dingfang Chen; Junfeng Wu; Weiming Shu; Fang Chen; Huiming Zhang

doi:10.16578/j.issn.1004.2539.2022.01.016

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Analysis on Fatigue Life and Mechanical Property of Flexspline of Harmonic Reducer

Test·Analysis | 更新时间：2022-09-23

- Analysis on Fatigue Life and Mechanical Property of Flexspline of Harmonic Reducer
- Journal of Mechanical Transmission Vol. 46, Issue 1, Pages: 115-119(2022)
- 作者机构：
  
  1.武汉理工大学智能制造与控制研究所，湖北武汉 430063
  2.湖北科峰智能传动股份有限公司，湖北黄冈 438000
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.01.016
  CLC：
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吴灿,陶孟仑,陈定方等.谐波减速器柔轮疲劳寿命及其力学性能分析[J].机械传动,2022,46(01):115-119.

Wu Can,Tao Menglun,Chen Dingfang,et al.Analysis on Fatigue Life and Mechanical Property of Flexspline of Harmonic Reducer[J].Journal of Mechanical Transmission,2022,46(01):115-119.
吴灿,陶孟仑,陈定方等.谐波减速器柔轮疲劳寿命及其力学性能分析[J].机械传动,2022,46(01):115-119. DOI： 10.16578/j.issn.1004.2539.2022.01.016.

Wu Can,Tao Menglun,Chen Dingfang,et al.Analysis on Fatigue Life and Mechanical Property of Flexspline of Harmonic Reducer[J].Journal of Mechanical Transmission,2022,46(01):115-119. DOI： 10.16578/j.issn.1004.2539.2022.01.016.

摘要

柔轮作为谐波减速器中最薄弱的环节之一，一直是谐波减速器可靠性研究中备受关注的对象。以CSG-32-80型谐波减速器为对象，利用Ansys Workbench对其柔轮进行了瞬态分析，得出了柔轮应力、应变的分布情况；将有限元分析结果导入Ncode Designlife疲劳分析模块，结合柔轮材料的,S-N,应力—寿命曲线，得出了柔轮的疲劳寿命。并通过正交实验的方式探究了柔轮最大应力与柔轮长度、柔轮壁厚、柔轮齿宽3种参数之间的关系，为柔轮结构的最优化设计提供了一定理论参考。

Abstract

As one of weakest link of harmonic reducer，flexspline has always been the object of concern in the reliability research of harmonic reducer. The CSG-32-80 harmonic reducer is taken as the object，and the transient analysis of the flexspline is carried out by using Ansys Workbench. The distribution of stress and strain of the flexspline is obtained. The results of finite element analysis is imported into Ncode Designlife fatigue analysis module，and the fatigue life of flexspline is obtained by combining ,S,-,N, Stress-Life curve of flexspline material. The relationship between the maximum stress and the length，wall thickness and tooth width of the flexspline are explored by orthogonal experiment. It provides a theoretical reference for the optimal design of flexspline structure.

关键词

柔轮有限元分析疲劳寿命力学性能正交实验设计

Keywords

FlexsplineFinite element analysisFatigue lifeMechanical propertyOrthogonal experimental design

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