Time-Varying Meshing Stiffness and Dynamic Parameter Model of Spiral Bevel Gears with Different Surface Roughness

被引：1
|
作者：
Cai, Zhi-Jie [1 ]
Zheng, Xi-Qing [2 ]
Lan, Hui-Qing [3 ]
Wang, Liu-Na [2 ]
Yang, Si-Wei [1 ]
Sheng, Rui [1 ]
机构：
[1] Key Lab Helicopter Transmiss Technol, Zhuzhou 412002, Peoples R China
[2] Beijing Jiaotong Univ, Sch Mech Elect & Control Engn, Beijing 100044, Peoples R China
[3] Beijing Jiaotong Univ, Tangshan Res Inst, Tangshan 063000, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 04期
关键词：
spiral bevel gears; surface roughness; time-varying mesh stiffness; dynamic parameter model; vibration characteristics; SPUR GEARS; POWER LOSS; CONTACT; DESIGN;
D O I：
10.3390/app14041533
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In order to explore the time-varying mesh stiffness and dynamic parameters of bevel gears with different surface roughness, the fractal dimension and characteristic scale coefficient are calculated to determine the fractal dimension of tooth surfaces of spiral bevel gears with rough features. Spiral bevel gears with distinct surface roughness are obtained by simulating the gear-cutting process, and after analysis, a dynamic differential equation for spiral bevel gears considering the surface roughness is proposed. By combining the differential equation with finite element analysis (FEA), the time-varying mesh stiffness of spiral bevel gears with various surface roughness is determined. FEA analysis yields the time-varying mesh stiffness under different surface roughness. The vibration velocity and acceleration of spiral bevel gears with different surface roughness are revealed by combining the time-varying mesh stiffness with the dynamic equation. The intricate relationship between gear surface microstructure and its mechanical behavior during engagement is thoroughly analyzed. A comprehensive dynamic parameter model is proposed to capture the influence of microtopological changes on gear dynamics. The results can offer valuable insights for the design and optimization of bevel gears, aiming to enhance their performance and durability.
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页数：23
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