Abstract
Roll-formed slide rail used as a linear guide in the smooth movement of drawers and electric home appliances requires geometric accuracy because of a high slenderness ratio and repetitive usage. The slide rail members are generally manufactured by the roll forming process. The members need to be improved through optimization of the roll forming process instead of the designer’s experience. The aim of this study is to determine the optimal roll forming parameters by using robust optimization technique which simultaneously satisfies three criteria such as the shape difference factor, bowing factor and modified inverse safety factor. In analyzing the roll forming process of a slide rail, the pass in which the largest deformation occurred is designated as the target pass. The positions and the curvature of rolls are set as the design variables in the target pass. The cost function, which is comprised of the shape difference factor, the bowing factor, and the modified inverse safety factor, is obtained using design-of-experiments of the response surface method. The cost function is minimized by using robust optimization techniques and showed the improved the straightness and the durability value. Using robust design methodology, it is able to be constructed a multi-objective function, and optimized three criteria, simultaneously.
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This paper was recommended for publication in revised form by Associate Editor Youngseog Lee
Minjin Oh received his B.S. and M.S. degree from the department of Mechanical Engineering, Sogang University, Seoul, S. Korea in 2007 and 2009, respectively. Mr. Oh is currently working for LIG Nex1. His research interests are in the area of optimum design of metal forming, and process design.
Moon Kyu Lee received his B.S. and M.S. degree from the department of Mechanical Engineering, Sogang University, Seoul, S. Korea in 1999 and 2001, respectively. He then went on to receive his Ph. D. degree from Sogang University in 2007. Dr. Lee had worked for Korea Automobile Testing & Research Institute as a senior researcher. He is currently a research professor at the department of mechanical engineering, Sogang University. His research interests are in the area of optimum design of mechanical components.
Naksoo Kim received his B.S. and M.S. degree from the department of Mechanical Design, Seoul National University in 1982 and 1984, respectively. He then went on to receive his Ph. D. degree from U.C. Berkeley. Dr. Kim had worked for the ERC/NSM at the Ohio State University as a senior researcher and Hongik University as an assistant professor. He is currently a professor at the department of mechanical engineering, Sogang University. Dr. Kim’s research interests are in the area of metal forming plasticity, computer aided process analysis, and optimal design.
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Oh, M., Lee, M.K. & Kim, N. Robust design of roll-formed slide rail using response surface method. J Mech Sci Technol 24, 2545–2553 (2010). https://doi.org/10.1007/s12206-010-0914-2
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DOI: https://doi.org/10.1007/s12206-010-0914-2