Modal analysis of the vertical moving table of 4-DOF parallel machine tool by FEM and experimental test

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Abstract

The vibration of the machine tool has important effect on machining quality of parts. So, in this paper, the dynamic behavior and modal parameters of the vertical moving table of the 4-DOF parallel machine tool are studied using the FEM and experimental methods. The prepared model of the vertical moving table in Solidworks is exported to ANSYS environment. Then, its natural frequencies and mode shapes are extracted using the modal analysis. Then having the FEM results, the exact modal data of the vertical moving table is obtained by the experimental tests. The exciting conditions of the machine tool table are obtained through modeling of machining operations. Finally, the resonance situations of the table are found using the modal data of the table and the cutting parameters of the machine tool. The results of this research can help the machine tool operator to avoid the vibration condition through correct selection of the cutting parameters.

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APA

Mahboubkhah, M., Pakzad, S., Arasi, A. G., & Ettefagh, M. M. (2017). Modal analysis of the vertical moving table of 4-DOF parallel machine tool by FEM and experimental test. Journal of Vibroengineering, 19(7), 5301–5309. https://doi.org/10.21595/jve.2017.18394

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