B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/06 (2006.01) B22D 11/18 (2006.01)
Patent
CA 2530749
A method and equipment for continuous or semi-continuous casting of metal, in particular directly-cooled (DC) casting of aluminium, including at least one mould (3) with a mould cavity (11) that is provided with an inlet (4) linked to a metal store and an outlet with devices (27) for cooling the metal so that an object in the form of an extended string, rod (25) or bar is cast through the outlet. The metal is supplied to the mould (3) in such a way and with such regulation that the metallostatic pressure in the contact point (solidification zone) against the mould wall is virtually zero during casting.
L'invention concerne un procédé et un équipement pour coulée continue ou semi-continue de métal, en particulier la coulée semi-continue en lingotière (DC) d'aluminium, comprenant au moins un moule (3) qui est muni d'une cavité (11) présentant une entrée (4) reliée à une partie de stockage de métal et une sortie qui comprend des dispositifs (27) permettant de refroidir le métal de façon qu'un objet sous forme de chaîne, de tige (25) ou de barre étendue soit coulé à travers la sortie. Le métal est fourni au moule (3) de telle façon et selon une régulation telle que la pression métallostatique dans le point de contact (la zone de solidification) contre la paroi du moule est virtuellement nulle pendant la coulée.
Anesbug Geir Olav
Benum Steinar
Hafsas John Erik
Heggset Bjarne Anders
Saether Torstein
Fetherstonhaugh & Co.
Norsk Hydro Asa
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