Modal Analysis of Externally Pressurized Air Bearing Workbench Based on Spring-mass System Method

摘要：

The stiffness of externally pressurized air bearing is nonlinear, so it is difficult for nonlinear modeling and modal analysis with Finite Element Modal Analysis(FEMA). In this paper, the spring-mass system method which use linear springs in place of nonlinear air bearing has been developed to make FEMA of externally pressurized air bearing workbench more easier and faster. The actual modes of the workbench have also been attained with Experimental Modal Analysis (EMA). The results of EMA have a good agreement with FEAM results ,which verifies the feasibility of spring-mass system method.

关键词： Externally Pressurized Air Bearing FEMA EMA Spring

作者: B. Zhang P. Ma J. J. Huang

作者单位: Guangdong university of technology , Guangzhou, Guangdong ,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: 602-607

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）