MISALIGNMENT EFFECTS ON THE LUBRICATION BEHAVIOR OF CRANKSHAFT BEARINGS

机译：曲轴轴瓦润滑性能的失衡效应

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It is well known that the crankshaft bearing loading conditions are of complex nature. Also at high loads, elastic and thermal distortion of the bearing solids occurs, moreover, under these harsh conditions, misalignment can occur during operation. Due to the complexity of the problem, few researches have been done to study the dynamic performance characteristics of crankshaft bearing under such conditions. In the present work, it is intended to investigate the effect of bearing parameters on hydrodynamic pressure, film thickness and friction losses in the crankshaft main bearing considering shaft misalignment and bearing distortion. The main conclusion of the research is that, it is essential to consider misalignment as it is greatly deteriorating the film thickness leading to higher frictional losses. It is also found that the degree of misalignment is having little effect on the bearing mean load capacity.

机译：众所周知，曲轴轴承的负载条件具有复杂的性质。同样在高负载下，轴承固体也会发生弹性变形和热变形，此外，在这些恶劣条件下，在运行过程中可能会发生偏心。由于问题的复杂性，在这种情况下很少进行研究来研究曲轴轴承的动态性能特征。在当前的工作中，打算研究轴承参数对曲轴主轴承中的未对准和轴承变形的影响，对动压，膜厚和曲轴主轴承摩擦损失的影响。该研究的主要结论是，考虑到未对准是必不可少的，因为它会使膜厚大大降低，从而导致更高的摩擦损耗。还发现，未对准程度对轴承平均负载能力影响很小。

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来源
《American Society of Mechanical Engineers(ASME)/Society of Tribologists and Lubrication Engineers(STLE) International Joint Tribology Conference 2004(IJTC 2004) vol.1 pt.A; 20041024-27; Long Beach,CA(US)》|2004年|P.941-949|共9页
会议地点 Long BeachCA(US)
作者
A. M. A. El-Butch;
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作者单位

Faculty of Engineering, Mataria Helwan University, Cairo, Egypt;

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会议组织
原文格式 PDF
正文语种 eng
中图分类机械摩擦、磨损与润滑;
关键词
crankshaft bearings; elasto-hydrodynamic lubrication; misaligned shaft;

机译：曲轴轴承;弹性流体动力润滑;轴未对准;

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MISALIGNMENT EFFECTS ON THE LUBRICATION BEHAVIOR OF CRANKSHAFT BEARINGS

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