Method and device for manufacturing a spark erosion electrode wire
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United States of America Patent
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Jan 23, 2001
Grant Date -
N/A
app pub date -
May 4, 1999
filing date -
May 7, 1998
priority date (Note) -
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Abstract
A conductive electrode wire is passed through a molten salt bath maintained at a temperature above the melting point of the salts. A main electrical power supply passes an electric current between the electrode wire and an anode in the molten salt bath so that a metal coating layer is electrolytically deposited onto the core of the electrode wire. The high temperature of the molten salt bath ensures inter-diffusion of the metals of the core and the coating. This enables diverse coating structures to be obtained by choosing electrolysis and diffusion parameters.
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