Arrangement for electrospark working of internal conical surface

Details Arrangement for electrospark working of internal conical surface Arrangement for electrospark working of internal conical surface

1980-12-04

1982-12-14

Grimley, A. T.

Electric heating

Metal heating

Cutting or disintegrating

B23P 112

Patent

active

043639500

ABSTRACT:
Arrangement for the electrospark working of internal conical surfaces of metal parts having a hollow space with a high slenderness ratio, terminating in a conical surface. The working electrode is guided in the hollow space of the workpiece and is provided with a simple and effective system of advance of the electrode, with the possibility of stoppage of the operation of the apparatus if due to some non-conductive dirt between the electrode and the worked surface correct operation is impossible, and with the provision of effective rinsing of the burning products.

REFERENCES:
patent: 3318793 (1967-05-01), Webb
patent: 3604884 (1971-09-01), Olsson

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