Contact Performance Numerical Simulation and Analysis of Gear Skiving

Chen Yongpeng; Xiao Lei

doi:10.16578/j.issn.1004.2539.2024.01.003

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Contact Performance Numerical Simulation and Analysis of Gear Skiving

Theory·Research | 更新时间：2024-12-13

- Contact Performance Numerical Simulation and Analysis of Gear Skiving
- Journal of Mechanical Transmission Vol. 48, Issue 1, Pages: 14-19(2024)
- 作者机构：
  
  重庆交通大学机电与车辆工程学院，重庆 400074
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2024.01.003
  CLC：
- Published：15 January 2024，
  
  Received：26 October 2022，
  
  Revised：26 December 2022，
- 稿件说明：
移动端阅览
陈永鹏,肖磊.车齿成形齿面接触性能数值仿真与分析[J].机械传动,2024,48(01):14-19.

Chen Yongpeng,Xiao Lei.Contact Performance Numerical Simulation and Analysis of Gear Skiving[J].Journal of Mechanical Transmission,2024,48(01):14-19.
陈永鹏,肖磊.车齿成形齿面接触性能数值仿真与分析[J].机械传动,2024,48(01):14-19. DOI： 10.16578/j.issn.1004.2539.2024.01.003.

Chen Yongpeng,Xiao Lei.Contact Performance Numerical Simulation and Analysis of Gear Skiving[J].Journal of Mechanical Transmission,2024,48(01):14-19. DOI： 10.16578/j.issn.1004.2539.2024.01.003.

摘要

车齿工艺具有材料去除率高、成形精度好等优点，且能实现内齿轮等特殊结构齿轮的高效加工，推进车齿工艺精加工可以有效提高生产率并降低成本。然而，由于车齿成形齿面存在进给刀痕，齿面接触性能尚未明晰。首先，根据车齿工艺运动学原理，构建了车齿成形非光滑齿面的齿轮实体模型；然后，基于有限元方法对非光滑齿面的接触应力进行了仿真计算，并与国际标准推荐的齿轮承载能力计算结果进行了对比验证；最后，分析了进给量以及螺旋线修形系数对齿轮接触应力的影响规律。结果表明，车齿成形齿面接触应力与进给量呈非线性正相关；而螺旋线修形对齿面接触应力极值影响较小，但对应力分布区域影响显著。

Abstract

Gear skiving process has the advantages of high material removal rate

good forming accuracy and so on

and can realize the efficient machining of gears with special structure such as inner gears. It can effectively improve productivity and reduce cost by advancing the finishing process of gears. However

due to the presence of feed marks on the forming tooth surface

the contact performance of the tooth surface is not clear. In this study

firstly

according to the kinematic principle of gear skiving

a solid model of gears with non-smooth tooth surface is constructed. Then

the contact stress of non-smooth tooth surface is simulated by the finite element method

and the results are compared with the calculation results of the bearing capacity of gears recommended by international standards. Finally

the influences of feed and tooth modification coefficient on gear contact stress are analyzed. The results show that there is a nonlinear positive correlation between the contact stress and the feed. The tooth modification has little effect on the extreme value of contact stress

but has significant effect on the stress distribution area.

关键词

车齿有限元分析接触应力工艺参数

Keywords

Gear skivingFinite element analysisContact stressTechnological parameter

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