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Dynamic Modal Analysis of Vertical Machining Center Components
Anayet U. Patwari, Waleed F. Faris, A. K. M. Nurul Amin,1 and S. K. Loh
The paper presents a systematic procedure and details of the use of experimental and analytical modal analysis technique for
structural dynamic evaluation processes of a vertical machining centre. The main results deal with assessment of the mode shape
of the different components of the vertical machining centre. The simplified experimental modal analysis of different components
of milling machine was carried out. This model of the different machine tool’s structure is made by design software and analyzed by
finite element simulation using ABAQUS software to extract the different theoretical mode shape of the components. The model
is evaluated and corrected with experimental results by modal testing of the machine components in which the natural frequencies
and the shape of vibration modes are analyzed. The analysis resulted in determination of the direction of the maximal compliance
of a particular machine component.
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