Electrical discharge machining utilizing a counter slot

Details Electrical discharge machining utilizing a counter slot Electrical discharge machining utilizing a counter slot

1981-07-30

1983-09-06

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 69M, 219 69D, B23P 108

Patent

active

044031319

ABSTRACT:
A process of wire cutting electrical discharge machining is set forth including the steps of initially machining a counter slot to a depth greater than 0.03" in the surface of a workpiece having a width at least 1.5 times the width of a desired slot, machining the desired slot with dielectric fluid beginning at the bottom of the counter slot, utilizing the counter slot to facilitate the flushing out of such fluid, and removing the counter slot.

REFERENCES:
patent: 2526423 (1950-10-01), Rudorff
patent: 4205213 (1980-05-01), Inoue
patent: 4233486 (1980-11-01), Inoue
patent: 4324970 (1982-04-01), Nanasawa et al.

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