Spark erosion machining apparatus

Details Spark erosion machining apparatus Spark erosion machining apparatus

1988-07-01

1989-08-01

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

204224M, 219 6901, B23H 700, B23H 722

Patent

active

048535125

ABSTRACT:
A spark erosion machining apparatus with an electrode changing mechanism having electrode support members and a frame that are connected to the interior front wall of the tub that can be opened like a door Two pairs of levers are pivotally mounted on the frame. The free ends of the levers have a transverse beam with perpendicularly protruding electrode support members. The transverse beams with the electrode support members can be pivoted (using hydraulic or pneumatic cylinder pistons) from a rest position where they are near to the front wall of the tub into an operating position where the electric support members are in an essentially central portion of the tub.

REFERENCES:
patent: 4316071 (1982-02-01), Bonga
patent: 4563800 (1986-01-01), Bonga
patent: 4764653 (1988-08-01), Buhler

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