Wire electrode with a structured interface surface
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United States of America Patent
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Sep 21, 2004
Grant Date -
Mar 27, 2003
app pub date -
Sep 17, 2002
filing date -
Sep 21, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
In order to achieve a reduction in wear of the wire guide rollers, apart from an improvement in the cutting speed and an improvement in current conduction, a wire electrode for spark erosion cutting of metals etc., comprising either a homogenous center (1) made of a metal or of a metal alloy, or a composite center, is provided with a sheath coating (2) whose surface is structured, wherein the indentations (3) created by the structure, are filled by a filler (4) made of an easily vapourable metal or of a metal alloy, so as to achieve a surface with little peak-to-valley height, i.e. with little surface roughness.
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