Method to guide the strip between the stands in a rolling mill f

Details Method to guide the strip between the stands in a rolling mill f Method to guide the strip between the stands in a rolling mill f

1997-04-23

1999-01-19

Hail, III, Joseph J.

Metal deforming

By use of roller or roller-like tool-element

With handling of, or guiding of, work or product relative to...

72251, 72227, B21B 3920, B21B 4100

Patent

active

058603115

ABSTRACT:
Method and device to guide the strip between the stands in a rolling mill finishing train to roll thin strips of a final thickness in the order of 1.2 mm and less, the inter-stand device including at least a guide device arranged at the outlet of the upstream stand (11a), a looper unit (15) comprising at least a looper roller (20) and a guide device arranged at the inlet to the downstream stand (11b), the looper roller (20) having at least a lowered position at the step before the leading end of the strip enters and a plurality of raised positions, while the strip is passing through, to form the desired loop, the looper roller (20), at least when it is in the lowered position before the strip enters, being made to rotate at a tangential speed at least equal to the speed at which the strip is fed between the stands. The looper unit (15) comprises an empowered drive (21) associated with the looper roller (20) at least when the looper roller (20) is in its lowered position, the drive (21) being structured to make the looper roller (20) rotate, before the strip enters, at a tangential speed at least equal to the speed at which the strip is fed between the stands.

REFERENCES:
patent: 1956636 (1934-05-01), Biggert, Jr.
patent: 2469169 (1949-03-01), Markle
patent: 3727446 (1973-04-01), Shumaker
Patent Abstracts of Japan, vol. 011, No. 111 (M-578) 8 Apr. 1987 & JP-A-61-255714 (Ishikawajima Harima) 13 Nov. 1986.
Patent Abstracts of Japan vol. 15, No. 249 (M-1128) 25 Jun. 1991 & JP-A-03 081010 (NNK Corp.) 5 Apr. 1991--Abstract.
Patent Abstracts of Japan No. 018, No. 264 (P-1740) 19 May 1994 & JPA-06 042950 (Kawasaki Steel) Feb., 18, 1994--Abstract.
Patent Abstracts of Japan vol. 006, No. 224 (M-170) 9 Nov. 1982 & JP-A-57 127517 (Hitachi) 7 Aug. 1982 Abstract.

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