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Shock and Vibration
Volume 2016 (2016), Article ID 5658181, 9 pages
http://dx.doi.org/10.1155/2016/5658181
Research Article

Research on Dynamic Modeling and Application of Kinetic Contact Interface in Machine Tool

Dan Xu1,2 and Zhixin Feng1,2

1School of Reliability and Systems Engineering, Beihang University, Beijing 100191, China
2Science & Technology on Reliability & Environmental Engineering Laboratory, Beihang University, Beijing 100191, China

Received 22 July 2016; Accepted 16 October 2016

Academic Editor: A. El Sinawi

Copyright © 2016 Dan Xu and Zhixin Feng. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A method is presented which is a kind of combining theoretic analysis and experiment to obtain the equivalent dynamic parameters of linear guideway through four steps in detail. From statics analysis, vibration model analysis, dynamic experiment, and parameter identification, the dynamic modeling of linear guideway is synthetically studied. Based on contact mechanics and elastic mechanics, the mathematic vibration model and the expressions of basic mode frequency are deduced. Then, equivalent stiffness and damping of guideway are obtained in virtue of single-freedom-degree mode fitting method. Moreover, the investigation above is applied in a certain gantry-type machining center; and through comparing with simulation model and experiment results, both availability and correctness are validated.