Publication:
Design optimization of a beam structure of machine tools

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2020-01-01

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Amer Soc Mechanical Engineers

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Abstract

In order to improve the dynamic behavior and cutting accuracy of an industrial laser cutting machine tool, a new beam structure was designed using topology optimization technique. Beams hold the cutting head and laser beam mirrors of laser cutting machine tools. Weight, static and dynamic stiffness of the beam affect the dynamic performance of the machine tool. High weight and low dynamic stiffness in high acceleration and deceleration will result in the vibration of the machine body. In this paper, a new beam is designed using topology optimization to reduce the weight of the beam structure. Static stiffness and natural frequencies were obtained by finite element analyses. The mass reduction obtained was 18%, the maximum displacement is reduced by 13% and the first natural frequency of beam is increased by 29 % in comparison to the original beam. Also the use of aluminum instead of steel was examined and the results are compared.

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Bu çalışma, 08-14 Kasım 2019 tarihleri arasında Salt Lake City[Amerika Birleşik Devletleri]’da düzenlenen ASME International Mechanical Engineering Congress and Exposition (IMECE)’da bildiri olarak sunulmuştur.

Keywords

Components, Laser cutting machine tools, Beam structure, Topology optimization, Science & technology, Technology, Engineering, industrial, Engineering, manufacturing, Operations research & management science, Engineering

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