Die for hydro-pressing sheet steel has two part mould with periphery formed of elastic material

摘要

The die for pressing sheet steel has a form cavity in a lower section having a cavity surrounding flange face. The lower holder presses the flange face of the sheet workpiece with the lower holder face (6) against the flange face. The flange face and the lower holder face can be at least partially made of elastic (3a). There is a pressure fluid feed duct (9) at least partially surrounding the die.