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Dynamic analysis of double-helical gear system considering effect of oil film among meshing teeth
Advances in Mechanical Engineering ( IF 1.9 ) Pub Date : 2020-05-14 , DOI: 10.1177/1687814020920117
Minghu Yin 1, 2 , Yahui Cui 1 , Xiangjun Meng 3 , Jinzhong Zuo 3 , Yuhao Qi 3
Affiliation  

The oil film among meshing teeth is just like a spring-damping element, and it can dominate the friction and meshing characteristics of the gear pair and influence its dynamic performances further. Thus, this article focuses on a double-helical gear system and makes efforts to consider the effect of the oil film among meshing teeth more deeply, which can enhance the precision of dynamic analysis for the gear system. First, based on the elasto-hydrodynamic lubrication theory and “microtomy” method, the models of friction and meshing characteristics are developed including the friction state and spring-damping effect of the oil film among meshing teeth; then, the dynamic models of the double-helical gear system with the effect of the oil film among meshing teeth are established, and finally, the experiments are carried out to verify the value of the models developed in this article. According to the theoretical and experimental analyses, it can be seen that the dynamic model considering the effect of the oil film among the meshing teeth is more precise and practical, and the effect of the oil film should be considered in the dynamic analysis of the gear system, especially at the condition with heavy load or high speed.



中文翻译:

考虑齿间油膜影响的双斜齿轮系统动力学分析

啮合齿之间的油膜就像一个弹簧阻尼元件,它可以支配齿轮副的摩擦和啮合特性,并进一步影响其动力性能。因此,本文将重点放在双斜齿轮系统上,并努力更深入地考虑油膜在啮合齿之间的作用,从而可以提高齿轮系统动态分析的精度。首先,基于弹性流体动力润滑理论和“切片法”,建立了摩擦和啮合特性的模型,包括摩擦状态和啮合齿之间油膜的弹性阻尼效应;然后,建立了在啮合齿之间油膜作用下的双斜齿轮传动系统的动力学模型,最后,进行实验以验证本文开发的模型的价值。根据理论和实验分析,可以看出,考虑啮合齿间油膜作用的动力学模型更加精确实用,在齿轮的动力分析中应考虑油膜作用。系统,特别是在重载或高速情况下。

更新日期:2020-05-14
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