Experimental investigation of static characteristics of a vacuum preloaded aerostatic bearing

被引：1
|
作者：
Liu, Shanshan [1 ]
Chen, Han [1 ]
Chen, Xuedong [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Hubei, Peoples R China
来源：
ADVANCED MATERIALS AND PROCESSES, PTS 1-3 | 2011年 / 311-313卷
关键词：
Aerostatic Bearing; Vacuum Preloaded; Static Characteristics; Orthogonal Regression Analysis; THRUST-BEARINGS; GAS; FLOW; ORIFICE; CFD;
D O I：
10.4028/www.scientific.net/AMR.311-313.1012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A vacuum preloaded circular aerostatic bearing was designed and its static characteristics were investigated experimentally. The load carrying capacity and air film thickness of the bearing were measured for different air supply pressure and vacuum pressure values. An orthogonal table was constructed to optimize the experimental measurement. Regression analysis was performed on the experimental results to obtain an analytical model of the bearing stiffness as a function of the load carrying capacity, air supply pressure and vacuum pressure. Accuracy of this analytical model in predicting static characteristics of the aerostatic bearing was validated by comparison with experimental data, and influences of the functioning parameters were also discussed.
引用
收藏
页码：1012 / 1016
页数：5
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