Roller for a guide system for continuously cast metal

Details Roller for a guide system for continuously cast metal Roller for a guide system for continuously cast metal

B - Operations, Transporting

22

D

B22D 11/128 (2006.01)

Patent

CA 2182021

The invention is directed to rolls for a strand guide stand for producing strands in the form of slabs, blooms, and billets resulting in a central running of the strand in the strand guide stands and accordingly in highly reliable casting - even at casting speeds of up to 6m/min. This high level of casting reliability is achieved by means of strand guide stands in which the rolls have a slightly concave surface line (cambering of the strand) resulting in the surprising elimination of the weaving motion of the strand in the direction of the narrow sides and accordingly ensuring that the strand runs centrally with reference to the center axis in its main direction of progress.

L'invention concerne des rouleaux de cadre de guidage pour métal coulé en continu, permettant de produire du métal coulé en continu sous forme de brames, de blooms et de billettes. Ces rouleaux permettent au métal coulé de passer dans des cadres de guidage, ce qui permet d'atteindre une grande fiabilité de coulée, même à des vitesses de coulée allant jusqu'à 6 m/mn. A cet effet, les cadres de guidage comportent des rouleaux qui suivent une génératrice légèrement concave (bombage du métal coulé), ce qui élimine de manière inattendue le risque d'oscillation de ladite barre en direction des petits côtés, garantissant ainsi que la barre passe de manière centrée par rapport à l'axe médian dans la direction de sa trajectoire supérieure.

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