Single stand roller leveller for heavy plate

Details Single stand roller leveller for heavy plate Single stand roller leveller for heavy plate

1992-03-02

1993-03-02

Crane, Daniel C.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72 20, 72 21, 72165, 72245, B21D 102

Patent

active

051898969

ABSTRACT:
A roller leveller for one-pass levelling of high strength metal plate comprises a main frame, top beams mounted on the main frame, three upper roll frames mounted on the top beams, a lower roll frame mounted on the main frame, three sets of upper and lower driven work rolls mounted, respectively, on the upper and lower roll frames, backup rolls backing up each work roll, four screwdown assemblies associated with each set of upper work rolls whereby they are movable as a set vertically and tiltable in the direction of a pass line of plate passed through the leveller; and control means separately to control the gap between the upper and lower work rolls in each set.

REFERENCES:
patent: 2945530 (1960-07-01), Maust
patent: 2963070 (1960-12-01), Maust
patent: 3466913 (1969-09-01), Klempay et al.
patent: 3606784 (1971-09-01), Schluter
patent: 3623348 (1971-11-01), Thompson et al.
patent: 3638326 (1972-02-01), Thompson et al.
patent: 3701274 (1972-10-01), Roesch
patent: 3905216 (1975-09-01), Hinrichsen
patent: 4152913 (1979-05-01), Zerhoch
patent: 4633697 (1987-01-01), Blough
patent: 4730472 (1988-03-01), Ellis

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