Finite Element Analysis and Calculation of Load Capacity on Aerostatic Thrust bearing

摘要：

For the design and application of ultra-high speed aerostatic spindle, it is often difficult to determine the load capacity of bearing gas film because of nonlinear problem, especially when the gas film is very thin. As ultra-high speed aerostatic spindle is working, rotational velocity of spindle ranges up to 300,000 rpm, while Reynolds number of air flow also increases in aerostatic bearing, so we need to consider the impact of gas inertia on the load capacity. In order to improve design accuracy of ultra-high speed aerostatic spindle, it is vitally necessary to consider hydrodynamic effect of aerostatic bearings. By using finite element analysis software ANSYS software as analysis platform, through finite element the analysis of the internal flow field of aerostatic thrust bearing, this paper obtains the relationship of rotation speed and load capacity of aerostatic thrust bearing.

关键词： Ultra-high speed aerostatic spindle Aerostatic thrust bearing Load capacity Hydrodynamic effect

作者: P.C. Shu S.H. Xiao H. Wu

作者单位: Faculty of Electromechanical Engineering, Guangdong University of Technology, Guangzhou,China Faculty of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, China

会议类型: 国际会议

会议名称: The 4th International Conference on High Speed Machining(第四届高速加工国际会议 ICHSM2010)

会议地点: 武汉

会议语种:英文

页码: 566-571

在线出版日期: 2011-05-28（万方平台首次上网日期，不代表论文的发表时间）