Roll for a continuous metal rolling or casting plant

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 11/06 (2006.01) B21B 27/05 (2006.01) B21B 27/08 (2006.01)

Patent

CA 2249626

The invention concerns a roll comprising a hub (2), an external ferrule (3) coaxial with the hub, and, between the hub and the external ferrule, a ductile ferrule (4) comprising a plurality of ring-shaped cells (43) axially juxtaposed and supplied with a pressurised liquid, each cell being delimited by an internal cylindrical wall (41) in contact with the hub and an external cylindrical wall (42) in contact with the external hoop, linked by two lateral ductile walls (44, 44') having, in radial cross section, convex surfaces arranged opposite each other. The invention is applicable to casting rolls of a plant for continuous casting between rolls and to laminating rolls.

Le cylindre comporte un moyeu (2), une virole extérieure (3) coaxiale avec le moyeu, et, entre le moyeu et la virole extérieure, une virole déformable (4) comprenant une pluralité de cellules annulaires (43) axialement juxtaposées et alimentées par un liquide sous pression, chaque cellule étant délimitée par une paroi cylindrique interne (41) en contact avec le moyeu et une paroi cylindrique externe (42) en contact avec la virole extérieure, reliées par deux parois latérales déformables (44, 44') présentant, en section selon un plan radial, des faces convexes disposées en regard l'une de l'autre. Application aux cylindres de coulée d'une installation de coulée continue entre cylindres et aux cylindres de laminage.

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