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http://dx.doi.org/10.7735/ksmte.2014.23.4.350

Bead Optimization to Reduce Springback of Sheet Metal Forming using High Strength Steel  

Hong, Seokmoo (Samsung electronics Co. Ltd.)
Hwang, Jihoon (Samsung electronics Co. Ltd.)
Publication Information
Journal of the Korean Society of Manufacturing Technology Engineers / v.23, no.4, 2014 , pp. 350-354 More about this Journal
Abstract
Recently, high strength steel (HSS) sheet metal has been widely used to improve lightweight structures in the automotive industry. Because HSS sheets have high strength but low elongation, it is difficult both to make products with complex shapes and to control excessive springback. In order to reduce the springback after forming using HSS, draw beads were introduced in this study. The design variables, including the draw-bead positions and shapes, were optimized using a finite element analysis. A mold for a scanner support, which is part of an A3 printer, was designed using the proposed method and then utilized. The results from a finite element simulation and optimization were compared with the experiment results.
Keywords
HSS (High Strength Steel); Springback; Sheet metal forming; Optimization;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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1 Han, S., Kim, S., Seo, Y., Yu, E., Kim, J., 2011, Development of 1.2GPa grade hot rolled ultra high strength steel for automobiles, Trans. of the Kor. Soc. Automotive Eng., 1873-1879.
2 Park, S., Kang, J., Hwang, B., Kim, S., Kwak, J., 2011, Mechanical Properties of High-Strength Light-Weight Steel Sheets, Trans. of the Kor. Soc. Automotive Eng., 1869-1872.
3 Kim, K., Jang, S., Jung, H., Oh, K., Yun, J., Park, C., 2011, The Development of High Strength Steel Car on Sill Side by Roll Forming Process, Trans. of the Kor. Soc. Automotive Eng., 29-34.
4 Jung, D., Lee, S., 2000, The Effect of the Drawbead Shape on the Sheet Metal Forming Process, Trans. Kor. Soc. Mech. Eng., A 24:6 1624-1632.   과학기술학회마을
5 Yang, W. Y., Lee, S. Y., Keum, Y. T., Hwang, J. Y., Yoon, C. S., Shin, C. S., Cho, W. S., 2003, Spingback Control in the Forming Processes for High-Strength Steel Sheets, Trans. of Meterials Processing, 12:8 718-723.   DOI
6 Suh, C. H., Jung, Y., Lim, Y. H., Yun, H. Y., Lee, K., 2012, The Effects of Process Parameters of Multi-Stage Forming on Springback for a U-Channel made of Ultra-High-Strengh Steel, Trans. Kor. Soc. Mech. Eng. A, 36:3 283-288.   과학기술학회마을   DOI
7 Keum, Y. T., Kim, D. J., Kim, G. S., 2010, Numerical Design of Drawbeads for Advanced High Strength Steel Sheets, Trans. of Meterials Processing, 348-356.
8 PAM-STAMP, 2012, PAM-STAMP user's manual, ESI-Group Co..
9 Gom ATOS 2011, ATOS Professional user's manual, GOM mbH.
10 PIAnO, 2008, PIAnO user's manual version 2.4, PIDOTECH Inc..