Mold for continuous casting and method of making the mold

Details Mold for continuous casting and method of making the mold Mold for continuous casting and method of making the mold

B - Operations, Transporting

22

D

B22D 11/04 (2006.01) B22D 11/055 (2006.01)

Patent

CA 2181897

A wall of a mold assembly for the continuous casting of steel has a steel back-up plate. A thermally conductive plate composed of copper or a copper alloy is bolted to the back-up plate and a relatively thin copper or copper alloy facing is soldered to that surface of the thermally conductive plate which faces away from the back-up plate. The thermally conductive plate may be omitted and the facing soldered to the back-up plate. The facing contacts and cools a continuously cast strand travelling through the mold. When the facing becomes cracked or worn beyond repair, the solder joint is melted to remove the facing and a fresh facing is soldered to the thermally conductive plate or back-up plate.

Une paroi d'un ensemble moule pour la coulée continue de l'acier comporte un plateau arrière en acier. Un plateau thermoconducteur constitué de cuivre ou d'un alliage de cuivre est boulonné sur le plateau arrière, et un revêtement en cuivre ou en alliage de cuivre relativement fin est brasé sur la surface du plateau thermoconducteur qui est orientée en sens contraire du plateau arrière. Le plateau thermoconducteur peut être supprimé et le revêtement brasé au plateau arrière. Le revêtement vient en contact avec un produit coulé en continu passant par le moule, produit qu'il refroidit. Lorsque ce revêtement se fissure ou est usé sans être réparable, on fait fondre la brasure pour ôter le revêtement et on brase un nouveau revêtement sur le plateau thermoconducteur ou le plateau arrière.

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