单粗糙峰对摆线针轮弹流润滑的影响  

The Influence of Single Rough Peak on the Elastohydrodynamic Lubrication of Cycloid Pinwheel

作　　者：姜元志[1,2] 王优强[1] 卢宪玖 

机构地区：[1]青岛理工大学机械工程学院,山东青岛266033 [2]青岛农业大学机电工程学院,山东青岛266109

出　　处：《机械设计与制造》2014年第12期49-52,共4页Machinery Design & Manufacture

基　　金：国家自然科学基金资助项目(51175275)

摘　　要：以弹流润滑理论为基础,利用多重网格法,研究了啮合表面单粗糙峰的存在对摆线针轮时变弹流润滑的影响,并将不同幅值和波长条件下的粗糙解与光滑解进行了比较。结果表明,粗糙峰幅值越大,波长越小,油膜压力越高;随着幅值的增加,在啮合大部分区域,中心油膜值变大,而在啮合的开始和结束阶段的膜厚值要略低于光滑解,波长变化对中心膜厚基本无影响;随着幅值和波长的增加,最小油膜值相应增大,有利于润滑状况的改善。On the basis of EHL theory, the influence of single rough peak of meshed surfaces on the transient EHL of the cycloid pinwheel is studied by using the multigrid method, and the comparisons are discussed between smoothed surfaces and rough surfaces with different amplitudes and wave lengths. The results show that with the higher amplitude and shorter wave length, the higher oil pressure can be found. The higher amplitude, the bigger central oil film thickness in most meshed region, yet it is opposite in the regions of beginning and finishing. The changes of wave length have slight effects on central oil film thickness. The higher amplitude and wave length, the bigger minimum oil film thickness, and this can improve the lubrication conditions.

关 键 词：单粗糙峰 摆线针轮 弹流润滑 多重网格法 

分 类 号：TH16[机械工程—机械制造及自动化] TH132.4