Roll forming apparatus and method

Details Roll forming apparatus and method Roll forming apparatus and method

1977-02-16

1978-08-29

Mehr, Milton S.

Metal deforming

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

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

72245, B21D 514

Patent

active

041094999

ABSTRACT:
A readily adjustable, constant pressure is exerted upon forming rolls of a roll forming machine for ease in setup and to accommodate variations in stock characteristics. In one embodiment, the upper rolls are mounted in a fixed position on roll stands and the lower rolls are supported by hydraulic actuators affixed to the bed of the machine. Alternatively, the lower rolls may be fixed and the upper rolls connected to actuators. As a further alternative, both the upper and the lower forming rolls may be supported by actuators. Hydraulic circuitry for controlling the actuators including regulator devices and gauges at each roll stand is also illustrated.

REFERENCES:
patent: 1317581 (1919-09-01), Kipniss et al.
patent: 2040755 (1936-05-01), Meyer
patent: 2232964 (1941-02-01), Parrish et al.
patent: 2397608 (1946-04-01), Johnson
patent: 2582062 (1952-01-01), Peters et al.
patent: 3085146 (1963-04-01), Ferreruela
patent: 3447351 (1969-06-01), Werntz
patent: 3595053 (1971-07-01), Oppermann
patent: 3636903 (1972-01-01), Anderson et al.
patent: 3653878 (1972-04-01), Jonghe
patent: 3665743 (1972-05-01), Frohling

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