Method and apparatus for electric discharge machining with a dressing tool
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United States of America Patent
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May 20, 2003
Grant Date -
Dec 5, 2002
app pub date -
May 30, 2001
filing date -
May 30, 2001
priority date (Note) -
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Abstract
An electrical discharge machining (EDM) apparatus and method is disclosed that utilizes a rotating electrode for performing the EDM operation to form a desired profile in the work piece surface. A dressing tool located at a side of the rotating electrode opposite from the work piece is operable to dress the surface of the rotating electrode. Operation of the dressing tool is controlled in part by a monitor that monitors changes in the character and condition of the surface of the rotating electrode from certain starting parameters and initiates a dressing operation as needed to restore the starting parameters.
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