Method of manufacturing a spark erosion electrode wire

Details Method of manufacturing a spark erosion electrode wire Method of manufacturing a spark erosion electrode wire

1996-03-26

1998-02-24

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

148526, 219 50, B23H 708

Patent

active

057214140

ABSTRACT:
An entry wire passes through a furnace containing zinc vapor in an inert atmosphere. While passing through the furnace the wire is heated by the Joule effect, by passing through it an electrical current produced by a generator, which rapidly heats it to the appropriate temperature. This produces an electrode wire having a thicker surface layer of diffused copper-zinc alloy, so that spark erosion machining is accelerated. The manufacturing method is fast and low in cost.

REFERENCES:
patent: 3313269 (1967-04-01), Hough
patent: 4287404 (1981-09-01), Converts et al.
patent: 4595600 (1986-06-01), Keeven et al.
patent: 4924050 (1990-05-01), Hermanni
patent: 4977303 (1990-12-01), Briffod
Patent Abstracts of Japan, vol. 012 No. 223 (C-507), Jun. 24, 1988, JP-A-63 018072, The Furukawa Electric Co., Ltd., Jan. 25, 1988.

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