Design Method for Tooth Profile of Harmonic Drive Considering the Spatial Deformation of Flexspline

Shuang Wang; Hao Qiu; Gedong Jiang

doi:10.16578/j.issn.1004.2539.2021.10.010

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Design Method for Tooth Profile of Harmonic Drive Considering the Spatial Deformation of Flexspline

Design· Calculation | 更新时间：2022-11-10

- Design Method for Tooth Profile of Harmonic Drive Considering the Spatial Deformation of Flexspline
- Journal of Mechanical Transmission Vol. 45, Issue 10, Pages: 66-71(2021)
- 作者机构：
  
  1.中国工程物理研究院机械制造工艺研究所，四川绵阳 621900
  2.西安交通大学机械制造系统工程国家重点实验室，陕西西安 710049
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.10.010
  CLC：
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王爽,邱皓,姜歌东.考虑柔轮空间变形的谐波齿轮传动齿形设计方法[J].机械传动,2021,45(10):66-71.

Wang Shuang,Qiu Hao,Jiang Gedong.Design Method for Tooth Profile of Harmonic Drive Considering the Spatial Deformation of Flexspline[J].Journal of Mechanical Transmission,2021,45(10):66-71.
王爽,邱皓,姜歌东.考虑柔轮空间变形的谐波齿轮传动齿形设计方法[J].机械传动,2021,45(10):66-71. DOI： 10.16578/j.issn.1004.2539.2021.10.010.

Wang Shuang,Qiu Hao,Jiang Gedong.Design Method for Tooth Profile of Harmonic Drive Considering the Spatial Deformation of Flexspline[J].Journal of Mechanical Transmission,2021,45(10):66-71. DOI： 10.16578/j.issn.1004.2539.2021.10.010.

摘要

为了解决基于平面设计的轮齿在柔轮空间变形影响下的齿廓干涉问题，提出了一种考虑柔轮空间变形的双向共轭法。该方法分别在柔轮轮齿前后端截面对预设柔轮凸圆弧进行共轭计算，得到刚轮的双圆弧齿廓，用刚轮凸圆弧在前端截面反向共轭计算柔轮凹圆弧齿廓，并与预设凸圆弧结合得到柔轮齿廓。基于三维有限元分析进行谐波齿轮传动啮合仿真，证明了将柔轮空间变形引入齿形设计可以有效避免齿廓干涉。

Abstract

In order to solve the problem that the tooth designed in plane has profile interference under the influence of spatial deformation of the flexspline，a bidirectional conjugate method considering the spatial deformation of the flexspline is proposed. The double-circular-arc tooth profile of circular spline is obtained through conjugate calculating of preset convex circular arc of flexspline at the front and back sections of tooth width. The concave circular arc profile of flexspline is obtained through the reverse conjugate calculating of convex circular arc profile of circular spline at the front section，and is combined with the preset convex arc to make up the tooth profile of flexspline. According to the results of harmonic drive contact simulation based on 3D finite element analysis，it is effective to avoid the profile interference by introducing the space deformation of flexspline into the tooth profile design.

关键词

谐波齿轮双圆弧齿形有限元分析

Keywords

Harmonic driveDouble-circular-arc tooth profileFinite element analysis

references

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