Metal deforming – By use of roller or roller-like tool-element – With carrier for roller-couple or tool-couple
Patent
1985-12-19
1987-11-03
Spruill, Robert L.
Metal deforming
By use of roller or roller-like tool-element
With carrier for roller-couple or tool-couple
72243, 72366, B21B 3118, B21B 2702
Patent
active
047036419
ABSTRACT:
A rolling mill comprises a pair of crown work rolls each having, at both ends of a drum, tapered ends ground at different taper angles, respectively. The work rolls are located one above the other with one tapered end of one work roll being in opposition to one tapered end having a different taper angle of the other work roll. The work rolls are movable in axial directions, such that edges of the plates are rolled by one tapered end of one work roll and a drum of the other work roll, and between tapered ends of both the work rolls. The method and rolling mills are capable of controlling the crown and edge drop reduction and simultaneously preventing local protrusions such as high spots and edge built-up to produce flat rolled plates having no difference in thickness and further capable of controlling the crown and the edge drop according to the material, thickness and width of the plates.
REFERENCES:
patent: 4519233 (1985-05-01), Feldmann et al.
Patent Abstracts of Japan, vol. 8, No. 12 (M-269), (1449), Jan. 19th, 1984 & Japan-A-58 176 002.
Kitahama Masanori
Sasaki Toru
Yarita Ikuo
Katz Steve
Kawasaki Steel Corporation
Spruill Robert L.
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