Roll replacing method and system for chockless rolling mill

Details Roll replacing method and system for chockless rolling mill Roll replacing method and system for chockless rolling mill

1998-10-22

2000-03-28

Hail, III, Joseph J.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

B21B 3108

Patent

active

060416378

ABSTRACT:
A roll replacing method and a roll replacing system for a chockless rolling mill, in which bearings for supporting the ends of work rolls are supported at an eccentric position of rotary bushes on housings, and the rotary bushes are turned to set a roll gap, includes, pulling out the chockless rolling mill from a rolling line onto a pullout track extending perpendicularly to the rolling line; fixing the housing on a drive side onto the pullout track at a nearest position, moving a support trestle perpendicularly to the pullout track, and fitting the support trestle between the pullout track and the upper and lower work rolls to support these work rolls on the support trestle; separating the housing on a work side, the trestle, and the upper and lower work rolls, as a unit, from each other and from the drive-side housing, and moving them onto the pullout track until they come to a halt; and moving the trestle and the upper and lower work rolls as a unit onto a roll replacement track perpendicular to the pullout track, to replace the upper and lower work rolls as a unit by spare upper and lower work rolls as a unit, or to replace the trestle and the upper and lower work rolls, as a unit, by a spare trestle and spare upper and lower work rolls as a unit.

REFERENCES:
patent: 3376724 (1968-04-01), Wolfendale et al.
patent: 3782161 (1974-01-01), McGeeney et al.
patent: 4653304 (1987-03-01), Feldmann et al.
patent: 5050418 (1991-09-01), Grotepass

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