中国机械工程Issue(24)：3326-3332,3333,8.DOI:10.3969/j.issn.1004-132X.2014.24.012
液体静压转台倾斜油膜承载特性解析
Analyses on Tilted Oil Film Dynamical Characteristics of Hydrostatic Rotary Tables
摘要
Abstract
The disadvantages of the CFD(computational fluid dynamics)numerical simulation such as long period of modeling and poor efficiency of calculation were displayed.An analytical method for studying tilted bearing characteristics of hydrostatic rotary tables was proposed based on equivalent oil film thickness of each pocket margin.The formulae of load capacity,moment and stiffness for tilted oil film bearings were derived and computational efficiency was improved.Numerical simulation for oil film was also conducted by CFD software Fluent.The results show that tilted oil film bearing load ca-pacity error between the analytical method and CFD remains at 6% or less.Furthermore,the moment error between two methods is kept at 8% or less.The reliability of the analytical method was verified. The effects of tilted displacement rate,supply pressure,throttle aperture,rotation speed on the oil film basic performance parameters were studied by the analytical method.关键词
液体静压转台/解析法/数值仿真/倾斜特性Key words
hydrostatic rotary table/analytical method/numerical simulation/tilted characteristics分类
机械制造引用本文复制引用
熊万里,符马力,王少力,吕浪..液体静压转台倾斜油膜承载特性解析[J].中国机械工程,2014,(24):3326-3332,3333,8.基金项目
国家自然科学基金资助项目(51275163) （51275163）
湖南省自然科学杰出青年基金资助项目(12JJ1006) （12JJ1006）
教育部新世纪优秀人才支持计划资助项目(NCET-10-0368) （NCET-10-0368）
