Title:
MODULAR EXTRUSION DIE
Document Type and Number:
WIPO Patent Application WO/2011/099868
Kind Code:
A8
Abstract:
Extrusion tool or die for the extrusion of metallic material, in particular a material of aluminium or alloys thereof, or other non-ferrous metals such as Cu and alloys thereof. The die is a modular type comprising die plate/s (2, 3) with cavitie/s (4, 5) provided with insert/s (6, 7). The area of the die with strong thermo-mechanical solicitation comprising the die plate/s (2, 3), is made of a nickel, iron or cobalt-based super alloy, whereas the die in the area with strong tribological solicitation comprising the insert/s, i.e. the mandrel (6) and/or the bearing (7) of the die, is manufactured of a wear resistant material which may be a high speed tool steel, a precipitation hardened steel or a high alloy hot-worked steel, or any of suitable steel types provided with a coating such as nano particle or CVD.
Inventors:
PASQUALON MARCO (NO)
BRAATEN MORTEN (NO)
DICKSON RICHARD FARRAL (US)
BRAATEN MORTEN (NO)
DICKSON RICHARD FARRAL (US)
Application Number:
PCT/NO2011/000050
Publication Date:
July 12, 2012
Filing Date:
February 09, 2011
Export Citation:
Assignee:
NORSK HYDRO AS (NO)
PASQUALON MARCO (NO)
BRAATEN MORTEN (NO)
DICKSON RICHARD FARRAL (US)
PASQUALON MARCO (NO)
BRAATEN MORTEN (NO)
DICKSON RICHARD FARRAL (US)
International Classes:
B21C25/02; B21C25/00; B21C25/04; C23C4/18
Attorney, Agent or Firm:
HOFSETH, Svein (Hydro Aluminium AS, Oslo, NO)
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