非稳态弹性流体动力润滑完全数值解在直齿轮传动中的应用  

Application of full Numerical Solution for Transient Elastohydro dynamic Lubrication on Involute Spur Gear Driving

作　　者：夏伯乾[1] 牛锡传[1] 

机构地区：[1]西安交通大学

出　　处：《郑州工学院学报》1993年第4期25-35,共11页

摘　　要：本文提出了一种计算非稳态弹性流体动力润滑问题的完全数值方法,并将该方法应用于直齿轮传动的弹流计算.计入啮合线上各点承载的变化、曲率半径变化、速度变化及表面伸缩效应。本文成功地获得了非稳态膜厚沿啮合线的分布.结果表明:非稳态计算结果和稳态计算结果有不少差异,非稳态计算的油膜厚度具有随油膜阻尼的突变而突变的特征.最后,本文讨论了表面伸缩效应对非稳态弹流计算的影响,证明表面伸缩效应可以忽略不计.In this paper, A full numerical algorithm for solving transient elastohydrodynamic lubrication problem has been developed. Using the algorithm on clastohydrodynamic lubrcation in involute spur gears meshing and considering load, sukface curratare radius. sufervelocity which are time dependent and surface extension—controution effect, the diseribution of dynamic oil film thickness along the meshing line was obtained. The resault showed that there are some few difference between transient calcalation and steady state calcalation, transient oil film thick ness has the character that changing suddenly with oil damping changing suddenly. In the last,we disscueed the infwence of surface extension-wntraction to elastolydrcdynamic lubrication calculation, and confirmed the surface extension—wntraction can be ignored because which influence is very little.

关 键 词：流体动力润滑 数值解 齿轮传动 

分 类 号：TH132.41[机械工程—机械制造及自动化]