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Vol. 36, No. 5
May, 2019
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한국정밀공학회지. 2019  36(3): 247-253     http://doi.org/10.7736/KSPE.2019.36.3.247
ⓒ Journal of the Korean Society for Precision Engineering
300톤급 기계식 프레스 프레임의 위상-다목적 구조 최적화
김한솔1, 김석일2
1 한국항공대학교 대학원 항공우주및기계공학부, 2 한국항공대학교 항공우주및기계공학부
Topology and Multi-Objective Structural Optimization of Frame Structure for a Mechanical Press with Capacity of 300 Ton
Han Sol Kim1 and Seok Il Kim2
1 Department of Aerospace and Mechanical Engineering, Graduate School, Korea Aerospace University, 2 School of Aerospace and Mechanical Engineering, Korea Aerospace University

To secure the precision forming capability of a press while reducing its production and transport costs, the development of stiff and lightweight frame is important. In this study, the topology and multi-objective structural optimization problem of a frame structure was introduced with an effort to develop highly stiff and lightweight frame for a mechanical press with 300 ton capacity. First, a design space model was constructed to derive a new frame structure different from the existing one for topology optimization. Using the design of experiments and the structural analysis model of the frame structure improved based on the topology optimization result, the multi-objective optimization problem was established with loop stiffness and mass of frame as objectives and the steel plate thickness as design variable. The review on Pareto optimum solutions of the multi-objective optimization problem revealed the fact that this optimization method could significantly contribute to the high stiffness and lightweight frame structure for a mechanical press.
Key words : Mechanical press (기계식 프레스), Structural analysis (구조해석), Design of experiments (실험계획법), Topology optimization (위상최적화), Multi-objective optimization (다목적 최적화), Pareto optimum solution (파레토 최적해)
중심단어 : 
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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