Purpose

This paper aims to improve the meshing effect of the gear teeth. It is recommended to analyze the deformation difference between the inner and outer surfaces of the flexspline. The purpose of this paper is to modify the profile of the flexspline based on the deformation difference to improve the transmission accuracy and operating life of the harmonic drive.

Design/methodology/approach

In this paper, ring theory is used to calculate the deformation difference of the inner and outer surfaces of the flexspline, and the actual tooth profile of the flexspline is corrected based on the deformation difference. Then, the flexspline is divided into multiple sections along the axial direction, so that the three-dimensional tooth profile of the flexspline is modified to improve the gear tooth meshing effect.

Findings

This paper proves the effect of the deformation difference between the inner and outer surfaces of the flexspline on the tooth backlash, which affects the transmission accuracy and life of the harmonic drive. It is recommended to modify the tooth profile of the flexspline based on the deformation difference, so as to ensure the tooth meshing effect.

Originality/value

This paper provides a new way for the optimization of the three-dimensional tooth profile design of the harmonic drive.

中文翻译：

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考虑柔轮变形差异的谐波传动三维齿形设计方法

目的

本文旨在提高齿轮齿的啮合效果。建议分析柔轮内外表面的变形差异。本文的目的是根据变形差异修改柔轮的轮廓，以提高谐波传动的传动精度和使用寿命。

设计/方法/方法

本文采用环理论计算柔轮内外表面的变形差，并根据变形差对柔轮的实际齿形进行修正。然后，将柔轮沿轴向分成多段，对柔轮的三维齿形进行修正，以提高轮齿啮合效果。

发现

本文论证了柔轮内外表面的变形差异对齿隙的影响，影响了谐波传动的传动精度和寿命。建议根据变形差异修改柔轮齿廓，以保证齿啮合效果。

原创性/价值

本文为谐波传动的三维齿形设计优化提供了一种新途径。