Pulse generator for electro-erosion machining apparatus

Details Pulse generator for electro-erosion machining apparatus Pulse generator for electro-erosion machining apparatus

1974-08-19

1976-05-11

Reynolds, Bruce A.

Electric heating

Metal heating

Cutting or disintegrating

219 69C, 307252J, 307270, B23K 916

Patent

active

039566099

ABSTRACT:
A pulse generator for an electro-erosion machining apparatus wherein electrical discharges occur at a machining zone formed between an electrode workpiece and an electrode tool, the pulse generator comprising a capacitor charged from a source of direct current through an inductance and a switch for discharging the capacitor through the primary of a transformer, the electrode tool and the workpiece being connected across the secondary of the transformer, the capacitor being charged at a predetermined current rate and being discharged when the voltage across the capacitor reaches a preset level.

REFERENCES:
patent: 3485987 (1969-12-01), Povteafield
patent: 3485990 (1969-12-01), Sennowitz
patent: 3585491 (1971-06-01), Petersen
patent: 3588431 (1971-06-01), Pekelharing
patent: 3599017 (1971-08-01), Oakes
patent: 3825715 (1974-07-01), Saito et al.
patent: 3832510 (1974-08-01), Pfau et al.
patent: 3843864 (1974-10-01), Wohlbaugh

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