Method to control the axial position of slabs emerging from...

B - Operations – Transporting – 21 – B

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B21B 39/14 (2006.01) B21B 37/68 (2006.01) B21B 39/12 (2006.01) B22D 11/16 (2006.01) C21D 9/00 (2006.01) F27B 9/14 (2006.01) F27B 9/24 (2006.01) F27D 3/00 (2006.01) F27D 19/00 (2006.01) B21B 1/46 (2006.01) B21B 39/00 (2006.01) B21B 45/00 (2006.01) B21B 45/02 (2006.01)

Patent

CA 2310045

Method to control the axial position of slabs emerging from the continuous casting machine, the method providing to control the axial position of the slab (24) in correspondence with the inlet to the first rolling stand and to act in feedback on means to modify the correct position of the axis (32) of the slab (24) in a position located between the first rolling stand and the foot rolls (26) of the ingot mold (13) from which the slab (24) emerges and wherein, in order to intervene upstream of the furnace (15) cooling systems (28) are employed which act on the sides of the slab (24), the method also using alignment means operating inside the furnace (15) and inducing a controlled lateral displacement governed by the control of the axial position of the slab (24). Device to control the axial position of slabs emerging from the continuous casting machine comprising cooling means cooperating with the sides of the slab (24) extracted from the ingot mold (13) and alignment means operating inside the heating and temperature maintenance furnace (15) and inducing a lateral displacement of the slab (24), the means (28) and the alignment means being governed by means (31, 36) to control the position of the axis (32) of the slab (24).

L'invention concerne un procédé de réglage de la position axiale des billettes sortant de la machine de coulée continue. Ce procédé permet de régler la positon axiale de la billette (24) par rapport à l'entrée de la première cage et d'agir en retour sur un moyen propre à corriger la position de l'axe (32) de la billette (24) en un point situé entre la première cage et les cylindres inférieurs (26) de la lingotière (13) d'où sort la billette (24). Selon ledit procédé, pour une intervention en amont du four (15), sont utilisés des systèmes de refroidissement (28) qui agissent sur les flancs de la billette (24). Le procédé concerne également un dispositif d'alignement, logé dans le four (15), qui provoque un déplacement latéral régulé en fonction du réglage de la position axiale de la billette (24). L'invention concerne également un dispositif qui permet de régler la position axiale des billettes sortant de la machine de coulée continue. Ce dispositif comprend un système de refroidissement qui agit sur les flancs de la billette (24) à sa sortie de la lingotière (13) et un système d'alignement intervenant à l'intérieur du four (15) de chauffe et de maintien en température pour provoquer un déplacement latéral de la billette (24), les systèmes (28) et le système d'alignement étant commandés par des dispositifs (31, 36) pour le réglage de la position de l'axe (32) de la billette (24).

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