Feed roll and method of imparting a rough texture to the surface

Details Feed roll and method of imparting a rough texture to the surface Feed roll and method of imparting a rough texture to the surface

1974-05-13

1976-03-02

Reynolds, Bruce A.

Electric heating

Metal heating

Cutting or disintegrating

219 69M, B23K 916

Patent

active

039419703

ABSTRACT:
A feed roll, especially for feeding strip stock, and a method of imparting a roughened texture to the surface thereof, in which the roll is formed of hardened steel and the peripheral surface which engages and feeds the strip stock is treated by electrical discharge machining to impart a roughness to the surface. The roughness is in the form of a textured surface often having a finish ranging from about 175 microinches RMS to about 325 microinches RMS and is preferably within the range of about 250 microinches RMS for many applications. Requirements also exist for rougher and smoother feed roll finishes that can be controllably produced by this process.

REFERENCES:
patent: 2416125 (1947-02-01), Simpson
patent: 3145286 (1964-08-01), Fehling et al.
patent: 3301776 (1967-01-01), Hughes
patent: 3562702 (1971-02-01), Celorsky
patent: 3600546 (1971-08-01), Niwa et al.
patent: 3671706 (1972-06-01), Littrell
patent: 3782618 (1974-01-01), Voorhees
patent: 3800117 (1974-03-01), Anderson
patent: 3858432 (1975-01-01), Voorhees et al.

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