Metal deforming – By use of roller or roller-like tool-element – With non-roller metal deforming station
Patent
1982-12-08
1985-03-05
Combs, E. Michael
Metal deforming
By use of roller or roller-like tool-element
With non-roller metal deforming station
72226, 72240, 72245, B21B 1500
Patent
active
045023115
ABSTRACT:
The apparatus and method make possible the semi-continuous rolling of an extensive range of product widths from no more than three widths of slabs. The leading end of a slab is forged or upset laterally between dies tapered to reduce its width at said end gradually to a value less than the desired width at the end of the pass. The slab is then passed through grooved vertical edging rolls to reduce its width and into the rolls of a roughing stand. The edge rolling tends to move the overfilled metal into the void created by the dies. As the trailing end of the slab approaches the roughing stand the edging rolls are backed off, allowing that end of the slab to fan out laterally. As the slab leaves the roughing stand it is rolled between grooved vertical edging rolls to reduce spread and bring the fanned-out trailing end to size. That operation causes the trailing end to bulge rearwardly at its center, so compensating for fishtailing. The roughing stand is then reversed and the slab rerolled in the opposite direction in the same way.
REFERENCES:
patent: 3477268 (1969-11-01), Schoffmann
patent: 3580032 (1971-05-01), Stone et al.
patent: 3621694 (1971-11-01), Greenberger
patent: 3817068 (1974-06-01), Meyer
patent: 3973425 (1976-10-01), Woodrow
patent: 4294305 (1981-10-01), Oda
Blenko, Jr. Walter J.
Combs E. Michael
Rosenberg Charles
White Consolidated Industries, Inc.
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