Driving apparatus for rolling mill

Details Driving apparatus for rolling mill Driving apparatus for rolling mill

1991-06-18

1992-08-25

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

B21B 3514

Patent

active

051408384

ABSTRACT:
Driving apparatus for a rolling mill includes upper and lower work rolls for rolling a workpiece having a longitudinal axis lying in a horizontal plane, upper and lower driving shafts for driving the upper and lower work rolls, respectively, an upper universal joint operatively coupling the upper work roll to the upper driving shaft, and a lower universal joint operatively coupling the lower work roll to the lower driving shaft. The upper and lower work rolls have axes lying in planes parallel to the horizontal plane of the workpiece longitudinal axis and are slanted in opposite directions with respect to the longitudinal axis of the workpiece. The upper and lower driving shafts are disposed symmetrically with respect to the horizontal plane of the workpiece longitudinal axis and a vertical plane passing through the workpiece longitudinal axis. The upper and lower universal joints have yokes at angles which are 90 degrees out of phase with each other, whereby the phase angles of the corresponding upper and lower universal joints are 90 degrees out of phase and the rotation speeds of the upper and lower work rolls are equalized.

REFERENCES:
patent: 4385512 (1983-05-01), Matsumoto et al.
patent: 4848635 (1989-07-01), Lauener et al.

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