Rolling mill stand

Details Rolling mill stand Rolling mill stand

1991-07-11

1992-09-08

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

Included in roller-cluster

72248, 72249, B21B 1312, B21B 3126, B21B 3512

Patent

active

051448270

ABSTRACT:
The present invention is to provide a compact roll stand apparatus, particularly of four-roll type, comprising both a roll parting adjustment device and an all-roll drive device. Further in detail, a roll stand apparatus comprising: a plurality of grooved rolls arranged radially, with substantially same degree intervals, from the pass line along which material bars and rods are driven, and whose rotational axes lie on a plane; eccentric shafts each rotatably supporting each of said grooved rolls; a device for simultaneously rotating said eccentric shafts and also simultaneously adjusting radial distances from said pass line to the rotation axes of said grooved rolls; driven gears each mounted concentric with the rotation shaft of each of said grooved rolls so as to rotate integrally with each of said grooved rolls; driving gears whose rotation axes lie on a plane apart, in the direction of said pass line, from said plane where the axes of said grooved rolls lie, and which engage with said driven gears; and a drive device for simultaneously rotating said driving gears.

REFERENCES:
patent: 3861187 (1975-01-01), Leeuwestein
patent: 4569217 (1986-02-01), Properzi

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