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http://dx.doi.org/10.5050/KSNVN.2004.14.11.1059

Dynamic Characteristics Analysis of the Carriage Structure Supported by Air Bearing  

정순철 (중앙대학교 기계공학부)
김덕수 (중앙대학교 기계공학부)
유충준 (경기대학교 기계시스템 디자인공학부)
장승환 (중앙대학교 기계공학부)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.14, no.11, 2004 , pp. 1059-1065 More about this Journal
Abstract
In this paper, the dynamic characteristic analysis of carriage structure supported by air bearings were performed. Toward this end, the characteristics of air bearing were numerically analyzed to estimate the stiffness of the air bearing and the clearance between air bearing and guide surface. The modal analysis of the carriage structure was performed by using finite element method, and the experimental modal analysis was also performed to validate the finite element model, where rigid body modes were compared to validate the stiffness of the air bearings. From the results, the air spring stiffness can be estimated within the range of acceptable accuracy under any pressure and clearance condition.
Keywords
Air Bearing; Carriage Structure; Darcy's Law; Modal Analysis;
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