正齿轮副润滑载荷齿接触分析

Q3 Engineering
C. Oglieve, Gajarajan Sivayogan, M. Mohammadpour, H. Rahnejat
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引用次数: 9

摘要

齿轮是许多机器和机构运行的关键部件。然而,它们的存在往往会影响系统效率,并可能导致噪音、振动和粗糙度(NVH)问题。公开文献中所描述的分析研究了牙齿接触而忽略了润滑的影响。在现实中,接触力学和润滑是紧密相连的,需要一个综合的方法。针对三坐标测量机(CMM)实际测量的齿轮副,提出了一种基于有限元的齿轮副动力学分析模型和润滑接触力学分析相结合的方法,从而提高了齿轮副效率、NVH和耐久性的预测精度。初始干齿轮分析与估计的恒定摩擦系数在接触进行。这一初步分析的结果为后续的摩擦学模型提供了输入数据,以便为新的TCA产生更好的接触摩擦估计。这种方法以迭代的方式将TCA和润滑集成在一起。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Lubricated loaded tooth contact analysis for spur gear pair
Gears are key components to the operation of many machines and mechanisms. However, their presence often affects system efficiency and can lead to noise, vibration and harshness (NVH) issues. Analyses described in open literature study tooth contact neglecting the effect of lubrication. In reality, contact mechanics and lubrication are closely inter-linked, requiring an integrated approach. This paper outlines a combined FEA-based TCA model with a lubricated contact mechanics analysis for real gear pairs measured from coordinate measuring machine (CMM), thus improving the prediction of gear pair efficiency, NVH and durability. An initial dry gear analysis with an estimated constant coefficient of friction in the contact is carried out. The results of this initial analysis provide input data for a subsequent tribological model in order to generate improved estimates of the contact friction for a new TCA. This approach leads to the integration of TCA and lubrication in an iterative manner.
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来源期刊
International Journal of Powertrains
International Journal of Powertrains Engineering-Automotive Engineering
CiteScore
1.20
自引率
0.00%
发文量
25
期刊介绍: IJPT addresses novel scientific/technological results contributing to advancing powertrain technology, from components/subsystems to system integration/controls. Focus is primarily but not exclusively on ground vehicle applications. IJPT''s perspective is largely inspired by the fact that many innovations in powertrain advancement are only possible due to synergies between mechanical design, mechanisms, mechatronics, controls, networking system integration, etc. The science behind these is characterised by physical phenomena across the range of physics (multiphysics) and scale of motion (multiscale) governing the behaviour of components/subsystems.
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