Evaluation of Dynamic Parameters and Improvement of Wear Resistance of Involute Gears when Using Film-Forming Lubricants

IF 0.5 4区工程技术 Q4 ENGINEERING, MECHANICAL Journal of Friction and Wear Pub Date : 2023-06-22 DOI:10.3103/S1068366623010105

S. A. Polyakov, L. I. Kuksenova, E. M. Kuleshova, A. V. Medovshchikov

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Abstract—

The article describes the problems of existing methods for assessing the durability of involute gears (IGs) associated with determining the maximum permissible wear and predicting the occurrence of sudden failure. The relationship of dynamic indicators with wear processes in IGs is described, which makes it possible to predict resource limitation by the nature of the growth of the dynamic coefficient due to the increase in the probability of jamming. The results of the analysis of the amplitude-frequency response of the transmission by the fast Fourier transform method are presented, which allowed us not only to evaluate the dynamism of the transmission with different lubricants, but also to rank these materials by their extreme pressure action depending on the magnitude of the loading moment, at a given limit value of the dynamic coefficient. It is shown that as the antifriction properties of the lubricant increase, the growth of the dynamism coefficient decreases as the loading moment increases (when using a film-forming additive, the limiting value of the dynamism coefficient is reached at a loading torque of 2.47 N m, and in the case of using pure synthetic oil, the limiting value of the dynamism coefficient is reached at a loading torque of 2.39 N m), this in turn leads to an increase in the maximum permissible wear and to an increase in the resource according to the wear criterion (in the case of using synthetic oil with a film-forming additive, the IG resource is 10–11 times higher than in the case of using pure synthetic oil).The dependence of the amplitude of the torque oscillations on the high-speed shaft of the IG transmission on the type of lubricant is revealed. Analytical dependences of the dynamic coefficient on the load for different lubricants are obtained. The dependence of the wear limit on the type of lubricant is proposed. A new method of predicting the resource of an IG is proposed taking into account the growth of the dynamic coefficient.

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成膜润滑剂对渐开线齿轮动态参数的评价及其耐磨性的提高

摘要:本文描述了现有的渐开线齿轮(IGs)耐久性评估方法在确定最大允许磨损和预测突然失效发生方面存在的问题。描述了IGs中动态指标与磨损过程的关系，通过动态系数由于卡阻概率的增加而增长的性质来预测资源限制。采用快速傅立叶变换方法对变速器的幅频响应进行了分析，这不仅使我们能够评估不同润滑剂下变速器的动态特性，而且还可以在给定的动态系数极限值下，根据加载力矩的大小对这些材料的极端压力作用进行排序。结果表明:随着润滑油抗磨性能的提高，动力系数的增长随着加载力矩的增加而减小(当使用成膜添加剂时，动力系数的极限值在加载扭矩为2.47 N m时达到，而使用纯合成油时，动力系数的极限值在加载扭矩为2.39 N m时达到);这反过来又会导致最大允许磨损的增加，并根据磨损标准增加资源(在使用含成膜添加剂的合成油的情况下，IG资源比使用纯合成油的情况高10-11倍)。揭示了齿轮传动高速轴转矩振荡幅值与润滑油类型的关系。得到了不同润滑剂下动力系数随载荷的解析关系。提出了磨损极限与润滑剂类型的关系。提出了一种考虑动态系数增长的预测IG资源的新方法。

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来源期刊

Journal of Friction and Wear ENGINEERING, MECHANICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

1.50

自引率

28.60%

发文量

审稿时长

6-12 weeks

期刊介绍： Journal of Friction and Wear is intended to bring together researchers and practitioners working in tribology. It provides novel information on science, practice, and technology of lubrication, wear prevention, and friction control. Papers cover tribological problems of physics, chemistry, materials science, and mechanical engineering, discussing issues from a fundamental or technological point of view.