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http://dx.doi.org/10.5228/KSPP.2010.19.1.017

Development of Stretch Forming Apparatus using Flexible Die  

Seo, Y.H. (부산대학교 항공우주공학과 대학원)
Heo, S.C. (부산대학교 항공우주공학과 대학원)
Park, J.W. (부산대학교 항공우주공학과 대학원)
Ku, T.W. (부산대학교 항공우주공학과)
Song, W.J. (부산대학교 부품소재산학협력연구소)
Kim, J. (부산대학교 항공우주공학과)
Kang, B.S. (부산대학교 항공우주공학과)
Publication Information
Transactions of Materials Processing / v.19, no.1, 2010 , pp. 17-24 More about this Journal
Abstract
A stretch forming method has been widely used in sheet metal forming process. Especially, this process has been adopted in aircraft and high-speed train industries for skin structure forming having a variety of curvature. Until now, solid dies, which are designed with respect to the specific shapes and manufactured as a single piece, have been usually applied to stretch forming process. Therefore, a great number of solid dies has to be developed according to the shapes of the curved skin structure. Accordingly, a flexible die is proposed in this study. It replaces the conventional solid dies with a set of height adjustable punch array. A usefulness of the flexible die is verified through a formability comparison with the solid die using finite element method considering an elastic recovery and the stretch forming apparatus with the flexible die is developed.
Keywords
Stretch Forming; Flexible Die; Sheet Forming; Elastic Recovery; Finite Element Analysis;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
1 F. X. Tan, M. Z. Li, Z. Y. Cai, 2007, Research on the process of multi-point forming for the customized titanium alloy cranial prosthesis, J. Mater. Process. Technol., Vol. 187-188, pp. 453-457.   DOI
2 Z. Y. Cai, S. H. Wang, X. D. Xu, M. Z. Li, 2009, Numerical simulation for the multi-point stretch forming process of sheet metal, J. Mater. Process. Technol., Vol. 209, pp. 396-407.   DOI
3 Y. H. Seo, S. C. Heo, T. W. Ku, J. Kim, B. S. Kang, 2008, Flexible forming process analysis for sheet material curved surface forming, Proc. Kor. Soc. Tech. Plast. Conf., pp. 118-121.   과학기술학회마을
4 D. W. Kim, I. S. Kwon, 1983, A study on the pure stretch forming of Al sheet, Trans. Kor. Soc. Mech. Eng., Vol. 7, No. 1, pp. 64-72.   과학기술학회마을
5 B. S. Kang, J. Y. Lim, J. Y. Bae, 1997, Process sequence design of the inner skin of landing gear using stretch forming process, Trans. Mater. Process., Vol. 6, No. 4, pp. 291-299.   과학기술학회마을
6 J. Y. Hwang, S. M. Choi, S. H. Jeong, 2003, Strategies for building up capabilities in the Korean aircraft sub-system industry, J. Kor. Technol. Innovation Society, Special Volume, pp. 551-568.   과학기술학회마을
7 S. C. Heo, Y. H. Seo, J. W. Park, T. W. Ku, J. Kim, B. S. Kang, 2008, Numerical and experimental study on plate forming process using flexible die, Trans. Mater. Process., Vol. 17, No. 8, pp. 570-578.   과학기술학회마을   DOI
8 Z. R. Qian, M. Z. Li, F. X. Tan, 2007, The analyses on the process of multi-point forming for dish head, J. Mater. Process. Technol., Vol. 187-188, pp. 471-475.   DOI