Method of determining electric discharge machining conditions an

Details Method of determining electric discharge machining conditions an Method of determining electric discharge machining conditions an

1994-12-21

1996-11-05

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6913, 395904, B23H 102

Patent

active

055714269

ABSTRACT:
A method of determining electric discharge machining conditions comprises the steps of establishing multiple sets of predefined machining parameters, establishing for each set of predefined machining parameters a set of basic machining data indicating relationships present during electric discharge machining among electric discharge machining current, machining depth and minimum electrode side surface undersize, selecting at least two sets of basic machining data from among the multiple sets thereof in accordance with a given set of predefined machining parameters, and inferring and thereupon generating machining condition data representing a series of pairs of values comprising machining depth values and corresponding electric discharge machining current values for machining the workpiece to a prescribed configuration and prescribed dimensions, the electric discharge machining current values in the series progressively changes with increasing machining depth value from a value larger than the electric discharge machining current of the selected set of basic machining data to a value smaller than the electric discharge machining current of the selected set of basic machining data.

REFERENCES:
patent: 4952790 (1990-08-01), Futamura
patent: 5091620 (1992-02-01), Mohri et al.
patent: 5200905 (1993-04-01), Uemoto et al.
patent: 5216218 (1993-06-01), Sasaki
patent: 5267141 (1993-11-01), Morita et al.
patent: 5428201 (1995-06-01), Kaneko et al.

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