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Blank Design of SPFH 590 Steel Sheet for Stamping of Center Hinge of Automotive via Analysis of Transfer Forming Process with Multi-Stages  

Ahn, Dong-Gyu (Department of Mechanical Engineering, Chosun Univ.)
Song, Dong-Han (Gwang-ju Association for Die and Mold Industry Development)
Sohn, Sang-Sik (ARAM Metal Industries, LTD.)
Han, Gil-Young (Department of Mechanical Engineering, Chosun Univ.)
Publication Information
Journal of the Korean Society for Precision Engineering / v.27, no.5, 2010 , pp. 75-84 More about this Journal
Abstract
The aim of this paper is to design the blank shape of SPFH 590 high strength steel for stamping of the center hinge of automotive via numerical analyses and experiments for multi-stages transfer forming process. Three-dimensional elasto-plastic finite element analyses for the transfer forming process with six stages were performed using a commercial code AUTOFORM V4.2. The influence of the blank shape on the formability and the shape conformity were quantitatively examined through the FE analyses. From the results of the FE analysis, a feasible shape of the blank and the forming load were estimated. Stamping experiments were carried out using the proposed blank shape. The results of experiments were shown that the center hinge parts with the desired shapes can be manufactured successfully as the proposed blank shape is used. Through the comparison of the results of the experiments with those of the analyses, it was shown that the estimation of blank shape using the FE analysis is a proper methodology to create a feasible shape of the blank for the center hinge of automotive.
Keywords
Blank Design; High Strength Steel Sheet; Center Hinge; Formability; Shape Conformity;
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Times Cited By KSCI : 5  (Citation Analysis)
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