Apparatus for cooling a roll on a roll stand

B - Operations – Transporting – 21 – B

Patent

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Details

B21B 27/10 (2006.01)

Patent

CA 2743220

The invention concerns an apparatus (1) for cooling a roll (2) in a roll stand and provided with at least one spray beam (3) supplied with a cooling medium, especially water, with spray nozzles (4) for spraying cooling medium onto the surface of the roll (2), and that extends generally parallel to a spray beam axis (5) extending parallel to the roll axis (6). In order to be able to adjust the spray beam for changed roll diameters, the invention provides that the spray beam (3) is mounted directly or indirectly on a lever (7) that can pivot around a rotation axis (8) that is parallel to the roll axis (6), and the spray beam axis (5) and the rotation axis (8) are spaced from each other.

L'invention concerne un dispositif (1) de refroidissement d'un cylindre (2) dans une cage de laminoir, comportant au moins une rampe de pulvérisation (3) alimentée en agent de refroidissement, notamment en eau, cette rampe de pulvérisation comportant des buses de pulvérisation (4) destinées à pulvériser l'agent de refroidissement sur la surface du cylindre (2) et s'étendant dans le sens d'un axe de rampe de pulvérisation (5) parallèle à l'axe du cylindre (6). L'invention vise à guider la rampe de pulvérisation de manière optimale en fonction de la variation du diamètre du cylindre. À cet effet, la rampe de pulvérisation (3) est disposée directement ou indirectement sur un levier (7) qui est monté pivotant autour d'un axe de rotation (8) parallèle à l'axe du cylindre (6), l'axe de la rampe de pulvérisation (5) et l'axe de rotation (8) se trouvant à une certaine distance l'un de l'autre.

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