Die shape design for T-shape tube hydroforming |
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| Authors: | C-T Kwan C-Y Lin Y-S Luo W-b Hu T-C Jau |
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| Affiliation: | (1) Department of Mechanical Manufacturing Engineering, National Huwei Institute of Technology, 64 Wunhua Rd., 632 Huwei, Yunlin, Taiwan |
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| Abstract: | In this paper, two design methods for T-shape tube hydroforming dies are proposed, namely, the extrusion-cutting-fillet method (ECFM) and the intersection-fillet method (IFM). Simulations on hydraulic expansion and axial feeding of T-shape tube hydroforming with two dies using the program DEFORM-3D were performed. The influence of the two dies on workpiece formability of T-shape tube hydroforming was examined. Experiments were carried out with SUS304 stainless steel tube at room temperature. A qualified product of T-shape tube, without wrinkling or bursting, was obtained using the die designed by the IFM method. |
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| Keywords: | Die design method Tube hydroforming Finite element simulation T-shape tube |
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