MULTI-FUNCTION MOULD FOR PROCESSING A STEEL STRIP AND METHOD FOR PRODUCING A WASHING MACHINE DRUM

原文（中国語）

A mould for processing a metal panel by means of a hydraulic press includes a forming punch and a forming die, provided on their operating surfaces with corresponding hole patterns, a set of tubular deep-drawing punches disposed in the forming punch and movable relative thereto to protrude through its holes, a set of tubular deep-drawing dies disposed in the forming die in correspondence with its holes, and a set of blanking punches sized to be smoothly guided along the axial holes of the deep-drawing tools. The relative method of operation involves sequentially closing the mould, lowering the deep-drawing punches, lowering the blanking punches, raising the deep-drawing punches, raising the blanking punches and opening the mould.