| 摘要 |
A bead forming unit for a press is provided to implement various bead force by making embossment bead projection and Intaglio bead hole connected to each die face, at the same time, based on the die face of the hieroglyphic and the blank holder. The inner side of the lower bead molding unit(B1) is formed with the first bead protrusion of embossment according to the die face of the blank holder. The outer side of the lower bead molding unit(B2) is formed with the first bead hole of intaglio and the whole upper side is connected. The inner side of the upper bead molding unit is formed with the second bead hole corresponding to the first bead protrusion of intaglio according to the die face of the intaglio. The outer side of the upper bead molding unit is formed with the second bead protrusion of the embossment corresponding to the first bead hole and the whole lower part is connected.
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