EDM Apparatus for cutting a groove in a recess in a workpiece

Electric heating – Metal heating – Cutting or disintegrating

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B23P 112

Patent

active

042152615

ABSTRACT:
An EDM apparatus for cutting a groove in the wall of a recess in an electrode workpiece by means of an electrode tool. One of the electrodes is mounted on a movable support displaceable along the feed axis and along a path in the plane perpendicular to the feed axis, the other electrode being mounted on a movable support displaceable on the feed axis from a pre-determined reference position.

REFERENCES:
patent: 2753429 (1956-07-01), McKechnie
patent: 2773968 (1956-12-01), Martellotti et al.
patent: 3539754 (1970-11-01), Furze et al.
patent: 3809852 (1974-05-01), Weber
patent: 4104501 (1978-08-01), Wyss
patent: 4104503 (1978-08-01), DiPiazza et al.
patent: 4135070 (1979-01-01), Pfau et al.

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