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车齿成形齿面接触性能数值仿真与分析
Contact Performance Numerical Simulation and Analysis of Gear Skiving
- 机械传动 2024年48卷第1期 页码：14-19
- 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：
陈永鹏（1987— ），男，重庆人，博士研究生，副教授；主要研究方向为绿色制造、绿色制造工艺与装备；ypchen@cqjtu.edu.cn。
- 基金信息：国家自然科学基金项目(52205446┫重庆市自然科学基金项目┣cstc2021jcyj-msxm1096)
DOI：10.16578/j.issn.1004.2539.2024.01.003
中图分类号：纸质出版日期：2024-01-15，
收稿日期：2022-10-26，
修回日期：2022-12-26，
- 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
references
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