波纹型止推箔片轴承静态特性分析  

Analysis on Static Characteristics of Bump Thrust Foil Bearings

作　　者：侯留凯 郝开元[1] HOU Liukai;HAO Kaiyuan(Beijing Aerospace Propulsion Institute,Beijing 100076,China)

机构地区：[1]北京航天动力研究所,北京100076

出　　处：《轴承》2022年第10期56-61,共6页Bearing

基　　金：中关村国家自主创新示范区高精尖产业强链工程资助项目(ZGCJB2020-5);中国航天科技集团六院自主研发项目。

摘　　要：根据波纹型止推箔片轴承的结构建立了求解轴承特性的雷诺方程、气膜厚度方程、箔片变形方程,编写计算程序对外径30 mm、内径12 mm的轴承进行仿真分析,研究节距比、楔形高度、轴承扇形瓦块数对轴承静态特性的影响,结果表明:节距比为0.5、楔形高度为20μm、扇形瓦块数为6时,轴承承载力较大且摩擦力矩较小,整体性能最优。According to structure of bump thrust foil bearings,the Reynolds equation,gas film thickness equation and foil deformation equation are established for solving the characteristics of the bearings.The calculation program is written to simulate and analyze the bearings with outer diameter of 30 mm and inner diameter of 12 mm,the influences of pitch ratio,taper height and number of bearing sector pads on static characteristics of the bearings are studied.The results show that when the pitch ratio is 0.5,the taper height is 20μm,and the number of sector pads is 6,the load capacity of the bearings is larger,the friction torque is smaller,and the overall performance is optimal.

关 键 词：滑动轴承 气体动压轴承 箔片轴承 雷诺方程 承载力 摩擦力矩 

分 类 号：TH133.31[机械工程—机械制造及自动化] TH133.37