Roll-stand roll with hydraulically changeable contour

Details Roll-stand roll with hydraulically changeable contour Roll-stand roll with hydraulically changeable contour

B - Operations, Transporting

21

B

80/49

B21B 27/02 (2006.01)

Patent

CA 1248785

14562 Abstract of the Disclosure A roll for a hot- or cold-rolling stand has a core having an outer surface centered on an axis and a pair of axially opposite ends and respective conduits extending through the core and opening adjacent the ends thereof. A sleeve having an outer surface, axially opposite ends, and an inner surface centered on the axis coaxially surrounds the core. One of the surfaces has a central portion projecting radially toward and engaging the other surface between the ends in all-around annular contact. Respective elastic and annular seals engage radially between the ends of the rolls, that is each seal engages between one end of the sleeve and the corresponding end of the core. These seals define respective annular compartments at the ends, between the roll surfaces, and subdivided axially from each other by the central portion of the one surface. Each conduit opens into a respective one of the compartments. The compartments can be pressurized via the respective conduits to change the shape of the outer surface of the sleeve at least at the compartments.

467961

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