Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1979-07-19
1981-02-03
Mehr, Milton S.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72 11, 72 17, 72240, B21B 3714, B21B 3700
Patent
active
042480728
ABSTRACT:
A method of producing a plate material having a uniform width and a lengthwise thickness variation by imparting plastic deformations to a work by means of widthwise rolling rolls and thicknesswise rolling rolls. The method has the steps of measuring the travelling amounts of the work at the outlet sides of the widthwise rolling rolls and the thicknesswise rolling rolls, continuously changing the roll gap of the widthwise rolling rolls in accordance with the measured travelling amount and a predetermined condition so as to reduce the width of the work at portions of the latter where the width is expected to be increased as a result of the subsequent thicknesswise rolling so that the work after the thicknesswise rolling may have a uniform width, and changing the thickness of the work by continuously changing the roll gap in the thicknesswise rolling rolls in accordance with the measured travelling amount and a predetermined condition. Also, disclosed is an apparatus for carrying out this method.
REFERENCES:
patent: 3417592 (1968-12-01), Fielding
patent: 3820373 (1974-06-01), Shiguma et al.
Furuta Osamu
Hasegawa Yoshimichi
Aichi Steel Works Limited
Flocks Karl W.
Mehr Milton S.
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