Simulation of the shot peening for helical gear considering tooth profile characteristics

LIU Yi; MEI Xiangqian; GUO Hui; XIONG Junyang; HOU Shengwen; DONG Fan; LIU Geng

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Simulation of the shot peening for helical gear considering tooth profile characteristics

更新时间：2026-03-03

- Simulation of the shot peening for helical gear considering tooth profile characteristics
- Journal of Mechanical Transmission Pages: 1-8(2026)
- 作者机构：
  
  1.西北工业大学机电学院，西安 710072
  2.陕西法士特齿轮有限责任公司陕西省齿轮传动重点实验室，西安 710077
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH162
- Received：17 May 2025，
  
  Revised：2025-07-03，
  
  Online First：03 March 2026，
- 稿件说明：
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刘义，梅向前，郭辉，等.考虑齿廓特征的斜齿轮喷丸强化仿真研究［J］.机械传动，XXXX，XX（XX）：1-8.

LIU Yi，MEI Xiangqian，GUO Hui，et al.Simulation of the shot peening for helical gear considering tooth profile characteristics［J］.Journal of Mechanical Transmission，XXXX，XX（XX）：1-8.
刘义，梅向前，郭辉，等.考虑齿廓特征的斜齿轮喷丸强化仿真研究［J］.机械传动，XXXX，XX（XX）：1-8. DOI：

LIU Yi，MEI Xiangqian，GUO Hui，et al.Simulation of the shot peening for helical gear considering tooth profile characteristics［J］.Journal of Mechanical Transmission，XXXX，XX（XX）：1-8. DOI：

摘要

目的

喷丸强化可通过在齿轮表层引入残余压应力显著提升其抗疲劳性能。为揭示齿廓曲率对残余应力分布的影响机制，建立了考虑齿廓特征的斜齿轮喷丸仿真模型，重点研究齿顶圆、分度圆、公切线及过渡曲面等关键部位的残余应力分布规律。

方法

基于Johnson-Cook材料模型构建喷丸强化仿真模型，提出了不同入射角度下的覆盖率计算方法，通过与文献试验结果对比，验证了模型的准确性；明确齿面各关键部位的曲率、弹丸入射角度与速度的计算方法，探究了一次喷丸中齿廓特征及二次喷丸中弹丸直径、喷丸速度对残余应力场的影响。

结果

齿面从凹面过渡至凸面时，表面残余压应力与最大残余压应力均呈递减趋势；且二者与残余应力层深度的最大值均位于过渡曲面处；二次喷丸可有效提升最大残余压应力，其中增大二次喷丸的弹丸入射速度为关键强化手段。

Abstract

Objective

Shot peening strengthening can significantly improve the fatigue resistance of gears by introducing residual compressive stress on their surface layer. To reveal the influence mechanism of tooth profile curvature on residual stress distribution

a shot peening simulation model of helical gears considering tooth profile characteristics was established

with a focus on investigating the residual stress distribution law at key positions such as addendum circle

reference circle

common tangent line

and transition surface.

Methods

A shot peening strengthening simulation model was constructed based on the Johnson-Cook material model. A coverage calculation method under different incident angles was proposed

and the accuracy of the model was verified by comparison with experimental results from literature. The calculation methods for curvature

projectile incident angle

and velocity at each key position of the tooth surface were clarified. The effects of tooth profile characteristics in primary shot peening

as well as projectile diameter and peening velocity in secondary shot peening

on the residual stress field were systematically explored.

Results

When the tooth surface transitioned from concave to convex

both the surface residual compressive stress and maximum residual compressive stress showed a decreasing trend; moreover

the maximum values of both and the depth of the residual stress layer were located at the transition surface. Secondary shot peening could effectively increase the maximum residual compressive stress

among which increasing the projectile incident velocity of secondary shot peening was a key strengthening measure.

关键词

Keywords

references

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