MATEC Web Conf.
Volume 355, 20222021 International Conference on Physics, Computing and Mathematical (ICPCM2021)
|Number of page(s)||9|
|Section||Investigation in Physics and Materials|
|Published online||12 January 2022|
A revised method to calculate time-varying mesh stiffness of helical gear
1 College of Mechanical Engineering, Chongqing University, Chongqing 400030, China
2 School of Rail Transportation, Soochow University, Suzhou 215131, China
* Corresponding author: firstname.lastname@example.org
Time-varying mesh stiffness (TVMS) of gear plays vital role in analysing dynamic characteristic of gear transmission. So accurately evaluating the TVMS is important and essential. In this paper, a revised method to calculate the TVMS of helical gear is proposed. Based on slice method, the helical gear is sliced into pieces along the tooth width direction. The proposed method corrects the fillet foundation stiffness within multi-tooth in contact and considers the non-linearity and load-dependence of the Hertzian contact stiffness. The effect of the axial mesh force is considered. Finally, an equivalent helical gear model is established in ANSYS to study the mesh stiffness. The results show the proposed method has high effectiveness compared with FEM (finite element method).
Key words: Time-varying mesh stiffness / Helical gear / FEM / Slice method
© The Authors, published by EDP Sciences, 2022
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