直齿轮成形磨削齿面残余应力计算与实验验证
Calculation and Experimental Verification of the Residual Stress of Tooth Surface in Spur Gear Form Grinding
- 机械传动 2020年44卷第5期 页码：73-77
- 作者机构：
1.海军装备部驻长沙某部， 湖南 长沙 410000
2.中南大学 高性能复杂制造国家重点实验室， 湖南 长沙 410083
- 作者简介：
余晟（1982— ），男，江西吉安人，硕士研究生，主要研究方向为航空齿轮的设计制造。
- 基金信息：湖南省战略新兴产业项目资助(2018GK4017)
DOI：10.16578/j.issn.1004.2539.2020.05.011
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余晟,温俊,唐进元.直齿轮成形磨削齿面残余应力计算与实验验证[J].机械传动,2020,44(05):73-77.
Yu Sheng,Wen Jun,Tang Jinyuan.Calculation and Experimental Verification of the Residual Stress of Tooth Surface in Spur Gear Form Grinding[J].Journal of Mechanical Transmission,2020,44(05):73-77.
余晟,温俊,唐进元.直齿轮成形磨削齿面残余应力计算与实验验证[J].机械传动,2020,44(05):73-77. DOI： 10.16578/j.issn.1004.2539.2020.05.011.
Yu Sheng,Wen Jun,Tang Jinyuan.Calculation and Experimental Verification of the Residual Stress of Tooth Surface in Spur Gear Form Grinding[J].Journal of Mechanical Transmission,2020,44(05):73-77. DOI： 10.16578/j.issn.1004.2539.2020.05.011.
摘要
磨削加工齿轮的残余应力状态对齿轮使役性能有较大影响，磨削后齿面的表面残余应力准确预测与计算是齿轮抗疲劳制造的重要内容。基于成形磨削运动分析及热力耦合有限元仿真计算方法，提出了齿轮成形磨削加工齿面残余应力计算方法。开展成形磨削实验，测量磨削后齿面的残余应力，对比分析残余应力实验测量值与有限元计算值，分析了磨削加工参数与残余应力的关联规律。结果表明，提出的成形磨削齿面残余应力计算方法得到的计算值与实验测试结果具有较好的一致性；在成形磨削中，砂轮进给深度越大，齿面残余拉应力越小。
Abstract
The residual stress state of grinding gear has great influence on its performance, the accurate prediction and calculation of residual stress of tooth surface after grinding is the important content of gear anti - fatigue manufacture. Based on the motion analysis of form grinding and the thermo-mechanical coupling finite element simulation calculation method, the calculation method of residual stress of the tooth surface after grinding is proposed. Subsequently, the forming grinding experiment is carried out, and the residual stress of the tooth surface after grinding is measured. The measured values of the residual stress and the finite element calculation value are compared, and the correlation law between the grinding parameters and the residual stress is analyzed. The research indicates that the calculation result of the proposed form grinding model is in good agreement with the experimental results. And in the form grinding, a larger feed depth results in a smaller residual tensile stress on the tooth surface after grinding.
关键词
成形磨削齿轮残余应力热力耦合计算方法
Keywords
Form grindingGearResidual stressThermo-mechanical couplingCalculation method
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