Method of manufacturing a spark erosion electrode wire
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United States of America Patent
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Feb 24, 1998
Grant Date -
N/A
app pub date -
Mar 26, 1996
filing date -
Mar 27, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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