Machining by electrical removal of materials utilizing dispersions of insoluble particles
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United States of America Patent
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Nov 18, 1997
Grant Date -
N/A
app pub date -
Sep 7, 1995
filing date -
Sep 7, 1995
priority date (Note) -
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Abstract
A method of machining the surface of an electrically conductive workpiece by application of a voltage to an electrically conductive tool spaced apart from the workpiece and moving the tool to shape or pattern the workpiece wherein variable flow of fluid is provided in the space between the tool and the workpiece. The fluid contains suspended insoluble interactive particles that are electrically conductive or are ionically conductive, but electronically insulating. The suspended particles came intermittent electrical short circuiting between the tool and the workpiece to prevent catastrophic and uncontrolled sparking or arcing during machining.
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