不同供油条件下磁流体润滑渐开线直齿圆柱齿轮摩擦性能分析  

Friction performance analysis of involute spur gear lubricated by MHD under different oil conditions

作　　者：赵辉 崔传辉[2] 王优强[1] ZHAO Hui;CUI Chuanhui;WANG Youqiang(School of Mechanical and Automotive Engineering,Qingdao University of Technology,Qingdao,Shandong 266520,China;College of Dongchang,Liaocheng University,Liaocheng,Shandong 252000,China)

机构地区：[1]青岛理工大学机械与汽车工程学院,山东青岛266520 [2]聊城大学东昌学院,山东聊城252000

出　　处：《燕山大学学报》2021年第1期11-16,共6页Journal of Yanshan University

基　　金：国家自然科学基金资助项目(51575289,51705270);山东省重点研发计划资助项目(2019GHY112068)。

摘　　要：以磁流体润滑渐开线直齿圆柱齿轮为研究对象,建立了加入非牛顿、热的齿轮供油条件分析的润滑模型。利用多重网格法,得到了啮合过程中啮入点、节点和啮出点三点在不同供油条件下的弹流数值解。结果表明:在齿轮出现乏油现象时,采用磁流体润滑可以改善润滑工况;对于采用不同的磁流体润滑,在充分供油条件下,由于粘度的影响,第二压力峰越来越不明显,膜厚越来越小,这点和非磁流体润滑规律一致;在乏油条件下,其压力膜厚差别不大。A model of the magnetic fluid gear microscopic surface pitting lubrication is established,and the oil condition which is joined to the non-newtonian and thermal factor is introduced in this paper.A numerical solution of the spur gear oil condition lubrication is obtained by using the multi-grid method.The results show that the magnetic fluid lubrication can be used to improve the lubrication condition when the gear is in oil shortage.The pressure film thickness of the different magnetic fluid lubrication is not different when the gear is in oil shortage.The results provide a basis for the selection of magnetic fluid.

关 键 词：磁流体 非牛顿流体 渐开线直齿圆柱齿轮 乏油区 变温 

分 类 号：TH117.2[机械工程—机械设计及理论]