Patent ID: 6519994
Filing Date: 2003-02-18
Classification: B21B

Abstract:
A roll stand, comprising: a frame; a housing having windows and a crosspiece; roll chocks; backup rolls and work rolls supported in the roll chocks for rolling sheet and strip, the work rolls including upper and lower work rolls which, together with upper and lower of the backup rolls associated therewith, are displaceable from a common vertical plane into positions in which the vertical planes passing through roll axes of the work rolls and the backup rolls intersect in that the chocks supporting each roll within the housing window are displacable in pairs horizontally in opposite directions, each pair of rolls formed of the upper and lower backup rolls and work rolls being arranged in one of two cassettes extending horizontally into the housing windows located on either side of the roll housing and guided therein so as to be at least one of vertically and horizontally adjustable; upper and lower centering pin bearings provided at the housing crosspiece and at the cassette, the cassettes being swivelable in opposite directions about a common central vertical axis formed by the pin bearings; and upper and lower articulated support columns mounted on cardan joints at both ends, each cassette being vertically supported in the area of the housing windows against the roll stand frame by the articulated support columns.