杯形谐波减速器齿廓修形方法及寿命预测分析  

Tooth Profile Modification Method and Life Prediction Analysis of Cup Type Harmonic Reducers

作　　者：梅杰[1] 张彤 郭政 陈定方[1] 吴俊峰 张慧明 胡群飞 Mei Jie;Zhang Tong;Guo Zheng;Chen Dingfang;Wu Junfeng;Zhang Huiming;Hu Qunfei(School of Transportation and Logistics Engineering,Wuhan University of Technology,Wuhan 430070,China;Hubei Kofon Intelligent Transmission Co.,Ltd.,Huanggang 438000,China)

机构地区：[1]武汉理工大学交通与物流工程学院,湖北武汉430070 [2]湖北科峰智能传动股份有限公司,湖北黄冈438000

出　　处：《机械传动》2024年第10期51-60,共10页Journal of Mechanical Transmission

摘　　要：杯形谐波减速器柔轮与波发生器装配时产生的径向变形量理论与实际不符,柔轮与刚轮轮齿出现啮合干涉,基于柔轮装配的变形情况提出了柔轮齿廓修形方法。通过有限元法装配仿真确定了合适的修形量,修形后柔轮经过装配和运转有限元分析,最后基于Miner线性疲劳理论采用Fe-safe软件对柔轮寿命进行了预测。结果表明,修形后柔轮装配时最大应力从962.2 MPa降低至532.7 MPa,负载运转时应力为609.9 MPa,轮齿应力有较大改善且啮合干涉情况得到解决,柔轮寿命循环次数为4.28×10^(6)。The theory of the radial deformation generated by the assembly of the flexwheel and the wave generator of the cup harmonic reducer is inconsistent with the practice,and the tooth meshing interferes between the flexwheel and the rigid wheel.Based on the deformation of the flexwheel assembly,a method for modifying the tooth profile of the flexwheel was put forward,and the appropriate modification amount was determined through the finite element assembly simulation.After the modification,the flexwheel was assembled and run through the finite element analysis.Finally,based on the Miner linear fatigue theory,the Fe-safe software was used to predict the life of flexwheels.The results show that the maximum stress during the assembly of the flexwheel is reduced from 962.2 MPa to 532.7 MPa,the stress during load operation is 609.9 MPa,the tooth stress is greatly improved,the meshing interference is solved,and the life cycle of the flexwheel is 4.28×10^(6) times.

关 键 词：谐波减速器 齿廓修形 有限元法 寿命评估 

分 类 号：TH132.46[机械工程—机械制造及自动化]