Method and rolling installation for the austenitic rolling...

Details Method and rolling installation for the austenitic rolling... Method and rolling installation for the austenitic rolling...

B - Operations, Transporting

21

B

B21B 1/26 (2006.01) B21B 15/00 (2006.01) B21B 37/76 (2006.01)

Patent

CA 2375117

A disadvantage in the production of thin strips by austenitic rolling in the hot strip trains is that very thin strips are delivered at high speeds (vW), which can cause difficulties for the successive processing steps. According to the invention, the strip is wound onto a rotor winder (8) as wound strip (11) immediately after exiting the last rolling stand of the rolling train (5) with a high delivery speed (vW). Said strip is then unwound at a low transportation speed (vT) as unwound strip (12).

L'invention concerne la production de minces bandes par des rouleaux austénitiques dans des trains à feuillards à chaud. Dans le cas d'une bande de très mince épaisseur, on a des vitesses de sortie (v¿W?) élevées qui engendrent des difficultés dans les opérations d'usinage consécutives. Selon l'invention, la bande est enroulée, immédiatement à sa sortie de la dernière cage de laminoir du train de laminoirs (5), comme bande d'enroulement (11) sur une bobineuse rotor (8) à la vitesse de sortie (v¿W?) puis elle est redéroulée comme bande de déroulement (12) à une vitesse de transport (v¿T?) plus faible.

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