| 摘要 |
PURPOSE: A preliminary forming apparatus for hydro-forming is provided to suppress damage to a product by providing anchoring force on the product with fixed power. CONSTITUTION: A preliminary forming apparatus for hydro-forming comprises an upper mold, a low mold(12), and a product ejection unit(100). Pressure is applied on the upper mold and the lower mold by a press. The upper mold and the lower mold have a shape for molding an object. The product ejection unit is positioned on both ends of the lower mold. The product ejection unit comprises a holder(112) and a drive part(113). The holding part engages with both ends of the product. The product ejection unit comprises a lifting part which separates the product from the lower mold. |
