Magnetic rolling system having rollers with laminated ply units

Details Magnetic rolling system having rollers with laminated ply units Magnetic rolling system having rollers with laminated ply units

1993-11-15

1995-02-28

Gerrity, Stephen F.

Presses

Concurrent pressing and conveying

Roll type

100168, 100917, 425 3, 492 8, B30B 304

Patent

active

053927028

ABSTRACT:
A rolling apparatus utilizing magnetic forces established between two main rollers so that a workpiece undergoes a uniform and predetermined pressure throughout the rolling process. At least one of the main rollers has a ply unit preferably made from insulated and laminated silicon steel sheets within it to substantially eliminate undesirable heating and counter-rotational effects resulting from eddy currents generated by the magnetic flux passing through the rollers. Passageways are provided for a fluid medium in the apparatus to forcibly move the heat by circulating the fluid medium.

REFERENCES:
patent: 3150419 (1964-09-01), Aurich
patent: 3176608 (1965-04-01), Klara et al.
patent: 3413915 (1968-12-01), Goodwin et al.
patent: 3456582 (1969-07-01), McClenathan
patent: 3556000 (1971-01-01), Goodwin et al.
patent: 3641928 (1972-02-01), Kraft et al.
patent: 3720160 (1973-03-01), Kraft et al.
patent: 4062097 (1977-12-01), Riihinen
patent: 4376330 (1983-03-01), Weidinger et al.

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