B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/128 (2006.01)
Patent
CA 2346999
In a process for continuously casting metal strands by casting the metal into a straight, vertically oriented mold (9) and subsequently drawing off the straight strand formed in the mold (9), the straight strand at first is bent in a bending zone (12) along a transition curve into a circular are shape, is guided along a circular arc guide (2) and finally is straightened in a final straightening zone (7) along a transition curve and, after this, is extracted via an approximately horizontal straight guide (8). In order to provide, departing from a continuous casting apparatus including a curved mold (1), an apparatus including a straight mold (9) while applying as large a number as possible of components of the continuous casting apparatus including the curved mold (1), it is proceeded in the following manner: The straight strand emerging from the mold (9) in at least one bending zone (12) along a transition curve is bent into a circular arc shape having a first radius (R min) and in at least one consecutively arranged straightening zone (14) along a transition curve is bent into a circular arc shape having a larger radius (R end) than the first radius (R min), which radius (R end) preferably corresponds to the circular arc shape of an originally present continuous casting apparatus including a curved mold (1) (Figure).
L'objectif de l'invention est de créer, à partir d'une installation de coulée en continu pourvue d'une lingotière arquée (1), une installation pourvue d'une lingotière droite (9), de façon que l'on puisse réutiliser le plus grand nombre de composants possible de l'installation de coulée en continu pourvue de la lingotière arquée (1). A cet effet, il est proposé que la brame droite sortant de la lingotière droite (9) soit cintrée dans au moins une zone de cintrage (12), le long d'une courbe de transition, de façon à prendre une forme en arc de cercle présentant un premier rayon (Rmin), puis arquée dans au moins une zone directionnelle (14) aval, le long d'une courbe de transition, de façon à prendre une forme en arc de cercle d'un second rayon (Rend) plus grand que le premier rayon (Rmin), ce second rayon (Rend) correspondant de préférence à la forme en arc de cercle d'une installation de coulée continue à lingotière arquée (1) existant à l'origine.
Eichinger Andreas
Engel Kurt
Guyot Vincent
Hodl Heinz
Lopes Catherine
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Sollac-Fos.
Voest-Alpine Industrienlagenbau Gmbh
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