METHOD AND APPARATUS FOR AUTOMATIC CONSTRUCTION OF ELECTRODES FOR ROCKING-MOTION ELECTRIC DISCHARGE MACHINING
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United States of America Patent
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Issued Date -
Jul 24, 2008
app pub date -
Jan 24, 2007
filing date -
Jan 24, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a method for designing an electrode for electric discharge machining of a workpiece, based on a reverse shape to a shape of the workpiece by use of a CAD system, which comprises the steps of obtaining a first reverse solid having a reverse shape to a shape of the workpiece, from a solid of the workpiece, uniformly offsetting an entire surface of the first reverse solid by a thickness necessary for a discharge gap to obtain a second reverse solid and subjecting the second reverse solid and one or more swept reverse solids created by copying the second reverse solid while allowing a sweep movement by a small distance in a direction conforming to a rocking motion, to a logical product (AND) operation to obtain a shape of an electrode as a third reverse solid.
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