Modal Analysis and Structure Optimization of a Printed Circuit Board NC Drilling Machine

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Abstract:

The solid modeling of one type of printed circuit board NC drilling machine is built by Pro/Engineer, and ANSYS is applied for modal analysis. In this paper, the key influential factors of the structure of the drilling machine are found out, the structure is improved and two prioritization schemes are proposed. After analyzing the primary structure and the two optimized structures of the machine tool bed and then comparing the analysis results, the optimal scheme is proposed. The results show that the optimization improves the dynamic property and the machining precision of the drilling machine.

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320-323

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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