Roll forming machine

Details Roll forming machine Roll forming machine

1993-02-22

1994-06-14

Crane, Daniel C.

Metal deforming

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

By use of deflector arranged to bend work transversely of...

72178, 72247, B21D 508

Patent

active

053199529

ABSTRACT:
A roll forming machine is used for forming material, typically metal strip into various shapes. The machines comprise pairs of forming rolls which are spaced apart along an axis. The profile of the roll pairs progressively change along the axis, so that respective pairs of rolls effect different degrees of folding to material passing between them. As a result, the machine is capable of effecting progressive folding of material fed between the pairs of rolls along this axis. In the present machines, versatility of the machines is improved by using forming rolls each comprising a plurality of roll section elements. The roll section elements are mounted so as to be independently freely revolvable about the axis of the roll and additionally they may be driven so that they are capable of assisting both in folding/forming roll material and in transmitting drive thereto. The roll elements are mounted such that they may be moved aside and up and down into various positions for the purpose of altering the forming roll profile and so altering the profile of the formed end product, without the need to replace the roll elements with others of a different shape.

REFERENCES:
patent: 2176115 (1939-10-01), Yoder
patent: 3006224 (1961-10-01), Celovsky
patent: 3886779 (1975-06-01), McClain
patent: 4117702 (1978-10-01), Foster
patent: 4269055 (1981-05-01), Sivachenko
patent: 4558577 (1985-12-01), Trishevsky
W. G. Kirkland, "Cold Forming Practice in the United States", Nov. 1959, Iron and Steel Engr. pp. 134-149.
M. A. Wallis, "A Survey of Sheet Metal Cold Roll Forming" The Corp. Labs, British Steel Corp., MW/36/71, Table of Contents & pp. 1-10.

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