Metal deforming – By use of roller or roller-like tool-element – With non-roller metal deforming station
Patent
1985-01-22
1986-05-13
Husar, Francis S.
Metal deforming
By use of roller or roller-like tool-element
With non-roller metal deforming station
72229, 72235, 72240, 72366, B21B 132, B21B 1500
Patent
active
045878234
ABSTRACT:
The apparatus and method make possible the semicontinuous 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: 3580032 (1971-05-01), Stone et al.
patent: 3712095 (1973-01-01), Dowsing et al.
patent: 3757556 (1973-09-01), Kawawa et al.
patent: 4344309 (1982-08-01), Matsuzaki
patent: 4386511 (1983-06-01), Morita
patent: 4387586 (1983-06-01), Awazuhara et al.
Blaw-Knox Corporation
Blenko, Jr. Walter J.
Husar Francis S.
Katz Steve
Silverman Arnold B.
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