Metal deforming – By use of roller or roller-like tool-element
Patent
1979-08-21
1980-12-16
Mehr, Milton S.
Metal deforming
By use of roller or roller-like tool-element
72366, B21B 100
Patent
active
042389461
ABSTRACT:
A method for rolling metal plate to form a thinner metal plate having a desired thickness including the steps of rolling metal plate at a predetermined board side rolling ratio to form a first metal plate having edge and crop portions, sizing the first metal plate such that a central portion of the first plate in a section parallel to a longitudinal direction thereof is greater in thickness than that of the end portions thereof if the edges of the first metal plate are spool shaped or sizing the first metal plate such that the central portion of the first plate in a section parallel to a longitudinal direction thereof is less in thickness than that of the end portions thereof if the edges of the first plate are barrel shaped, rolling the first plate to form a second plate of a predetermined thickness, sizing the second plate such that the central portion of the second plate in a section normal to a longitudinal direction thereof is thinner than the end portions thereof if the crop portions of the second plate bulge outwardly or sizing the second plate such that the central portion of the second plate in a section normal to a longitudinal direction thereof is thicker than the end portions thereof if the crop portions of the second plate are sunken and rolling the second plate to form said thinner metal plate.
Kawasaki Steel Corporation
Mehr Milton S.
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