Mesh characteristic analysis and dynamic simulation of spur gear pair considering corner contact and tooth broken fault

被引:10
|
作者
Han, Hongzheng [1 ]
Yuan, Kaigang [1 ]
Ma, Hui [1 ,2 ]
Peng, Zhike [3 ]
Li, Zhanwei [4 ]
Zhao, Songtao [5 ,6 ]
Wen, Bangchun [1 ,2 ]
机构
[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Liaoning, Peoples R China
[2] Northeastern Univ, Key Lab Vibrat & Control Aeroprop Syst, Minist Educ China, Shenyang 110819, Liaoning, Peoples R China
[3] Shanghai Jiao Tong Univ, Inst Vibrat Shock & Noise, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
[4] Nanjing Univ Aeronaut & Astronaut, Natl Key Lab Sci & Technol Helicopter Transmiss, Nanjing 210016, Jiangsu, Peoples R China
[5] Tongji Univ, Sch Mech Engn, Shanghai 201804, Peoples R China
[6] Harbin Marine Boiler & Turbine Res Inst, Harbin 150078, Peoples R China
关键词
Loaded tooth contact analysis; Corner contact; Tooth broken fault; Time -varying mesh stiffness; Non -load transmission error; STIFFNESS CALCULATION; CRACK; VIBRATION; FEATURES; MODEL;
D O I
10.1016/j.engfailanal.2022.106883
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Theoretically, the contact of a spur gear pair occurs on the line of action (LOA), but the corner contact may happen due to the tooth deformation, especially when there is a tooth broken fault. In this paper, based on the tooth contact analysis, the initial gaps considering tooth broken fault are accurately calculated. Meanwhile, the initial gaps are brought into the loaded tooth contact analysis program and yield the time-varying mesh stiffness (TVMS) and non-load transmission error (NLTE). By comparing with the finite element (FE) method, the meshing state of the gear pair considering various tooth broken heights is presented. The result shows that it is inaccurate to regard the mesh stiffness value as zero when the missing tooth profile should have contact since serious corner contact phenomenon will occur in this state. Moreover, by comparing the simulated dynamic response with the experimental results, this paper finds that the simulation result considering the corner contact effect is closer to the experimental result. This study can provide a more accurate model for the diagnosis of gear tooth broken faults.
引用
收藏
页数:21
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