Method for leveling sheet metal

Details Method for leveling sheet metal Method for leveling sheet metal

1994-05-03

1995-05-09

Crane, Daniel C.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflected arranged to provide longitudinally...

B21D 102

Patent

active

054129680

ABSTRACT:
A method and apparatus for leveling of metal sheets conveyed through leveling gaps formed by several adjustable upper and lower leveling rollers and adjusted as a function of the sheet cross-section and the nominal sheet strength is disclosed. After initial maximum deformation, the sheets are subsequently repeatedly bent in alternate directions with a greatly diminishing degree of deformation resulting in an improved operational mode if the leveling range of a leveling machine is expanded toward the thicker metal sheets by a smaller quantity of leveling rollers in engagement, and thus a larger roller pitch, in case of sheet thicknesses exceeding the nominal sheet thickness of the leveling range.

REFERENCES:
patent: 2592948 (1952-04-01), Peterson
patent: 2720243 (1955-10-01), Siegerist
patent: 2852065 (1958-09-01), Peterson
patent: 3765210 (1973-10-01), Lemper
patent: 3916662 (1975-11-01), Arnold

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