Apparatus for adjusting width of roll for rolling mill

Details Apparatus for adjusting width of roll for rolling mill Apparatus for adjusting width of roll for rolling mill

1991-07-11

1992-10-06

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

Included in roller-cluster

72238, 72247, 29125, B21B 3118

Patent

active

051521644

ABSTRACT:
A roll for a rolling mill capable of an on-line control of the width thereof. The roll includes a drive roll connected to a mill motor and a hollow driven roll driven by the drive roll while being axially slidable with respect to the drive roll. A screw shaft is screwed to the inside of the hollow driven roll in such a manner that an end-to-end contact of the driven roll with the drive roll is obtained. A clutch is provided for a selective locking of the screw shaft, which is unlocked during a normal rolling process, so that the screw shaft is rotated together with the drive roll and the driven roll by a rotation of the mill motor. When adjusting the roll width, the clutch is operated so that the screw shaft is locked, and as a result, a rotation of the mill motor causes a mutual axial movement of the drive roll and driven roll to thus adjust the roll width. A means is also provided for a centering of the roll at the pass line of the material, after the adjustment of the roll width.

REFERENCES:
patent: 4685319 (1987-08-01), Aoyaqi et al.
patent: 5031435 (1991-07-01), Seto et al.

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