Method of rolling using bendable sleeved roll

Details Method of rolling using bendable sleeved roll Method of rolling using bendable sleeved roll

1992-02-20

1994-09-20

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

491 1, 72247, B21B 2703, B21B 3118

Patent

active

053478371

ABSTRACT:
A method of rolling an elongated workpiece in the form of a sheet or strip and of reducing edge drop during rolling comprising passing the workpiece through at least one pair of opposed work rolls which comprise an arbor and a hollow sleeve shrink-fitted over the arbor and having end portions defining, between the arbor and sleeve, a cavity providing a self-compensating flexible roll end portion which is placed over and extends beyond a longitudinal edge of the workpiece during rolling. Preferably, the shrink-fitted portion is provided with maximum radial stress at the middle thereof and decreasing toward the ends of the shrink-fitted zone. The work rolls may be backed up with self-compensating backup rolls to further improve uniformity of the rolled workpiece by reducing crown variation thereof. Positioning of the rolls is accomplished by axial shifting.

REFERENCES:
patent: 2187250 (1940-01-01), Sendzimir
patent: 3879828 (1975-04-01), Troost
patent: 4407151 (1983-10-01), Gronbech
patent: 4479374 (1984-10-01), Feldmann et al.
patent: 4601188 (1986-07-01), Sendzimir
patent: 4669296 (1987-06-01), Bald
patent: 4683744 (1987-08-01), Ginzburg et al.
patent: 4722212 (1988-02-01), Ginzburg et al.
patent: 4813258 (1989-03-01), Ginzburg
patent: 5093974 (1992-03-01), Ginzburg

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