Six-high roll stand with offset inner backup rolls

Details Six-high roll stand with offset inner backup rolls Six-high roll stand with offset inner backup rolls

1986-09-25

1987-12-15

Spruill, Robert L.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72238, 72243, 72245, 72249, B21B 3120, B21B 3506

Patent

active

047124164

ABSTRACT:
A six-high rolling stand has a pair of upper and lower working rolls defining a nip, a pair of upper and lower inner backup rolls vertically flanking and bearing on the working rolls, a pair of upper and lower outer backup rolls vertically flanking and bearing on the inner backup rolls, a frame, and respective journal blocks carrying the rolls in the frame and supporting the rolls therein for rotation about respective axes that are all substantially parallel with the outer roll axes at least defining a vertical plane. A drive is connected directly to the outer backup rolls for oppositely rotating same and the upper and lower rolls vertically engage one another so that the rotation of the outer backup rolls is transmitted through the inner backup rolls to the working rolls. Actuators braced between some of the journal blocks and the frame for vertically displacing at least some of the rolls horizontally perpendicular to the plane. These actuators are braced between the journal blocks of the inner backup rolls and the frame for displacing the inner rolls and the respective axes horizontally perpendicular to the plane to a position offset horizontally therefrom.

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