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首页> 外文期刊>Tribology International >Conjugate approach for hypoid gears frictional loss comparison between different roughness patterns under mixed elastohydrodynamic lubrication regime
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Conjugate approach for hypoid gears frictional loss comparison between different roughness patterns under mixed elastohydrodynamic lubrication regime

机译:混合弹性流体动力学润滑制度不同粗糙度模式之间的缀合方法

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摘要

This paper compares the frictional loss of hypoid gears between three different tooth surface roughness patterns under the mixed elastohydrodynamic lubrication regime, namely the striated, the isotropic and the less roughed. Conjugate approach contact model for such purpose is proposed, which aids in determination of the parameters input for the lubrication model and construction of wanted tooth surface roughness patterns, by integrating the digital tooth surface technique, the conjugate approach teeth contact analysis and a particular contact search algorithm into a fully integrated contact model. The frictional losses are computed from the upper to the down boundary defined by the load share portion between the film and the asperity in the regime with the varying lambda ratio by continuously adding the rotational speed on the geared system. The simulation finds that the frictional loss of the case striated is less than the case isotropic, and the case less roughed has the smallest frictional loss. It also finds that the rotational speed has a significant influence on the film thickness, on the load share, and thus on the frictional loss. Merits are exhibited with this integrated contact model, including good compatibility with lubrication model in passing data, good accuracy and less computation time.
机译:本文比较了混合弹性流动润滑制度下的三种不同齿面粗糙度模式之间的双球齿轮的摩擦损失,即条纹,各向同性和较少的粗糙。提出了用于这种目的的缀合物接近型号,这提出了一种辅助确定用于润滑模型的参数输入和所需齿面粗糙度模式的构造,通过集成数字齿表面技术,缀合物接近齿接触分析和特定联系人搜索算法进入完全集成的触点模型。通过连续地在齿轮系统上连续地增加旋转速度,从膜和状态之间的负载共享部分之间的载荷共享部分与厚度之间的粗糙度限定的较大边界来计算摩擦损失。该模拟发现围绕案例的摩擦损失较小,而且粗略粗糙的情况具有最小的摩擦损失。它还发现,转速对薄膜厚度有显着影响,负载份额,从而对摩擦损失有关。展现该集成触点模型的优点,包括与通过数据,良好准确性和计算时间的润滑模型的良好兼容性。

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