Method and device for the extrusion of a hollow section or similar body from bars

• Main Authors: AMES, ADOLF, WOEMPNER, DIETHELM
• Format: Patent
• Language: English; French; German
• Published: 13.06.2001
• Edition: 7
• Subjects: AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL; MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING

The extrusion process produces a hollow strip (12) or similar from a bar taken through a boring and brought to the molding cross section of a molding tool (32) by a press punch. The bar material is taken under pressure into the central input of the molding tool. The ductile mass thus produced is tak...