Electric spark machining apparatus

Details Electric spark machining apparatus Electric spark machining apparatus

1986-12-17

1988-03-08

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

2041292, 204224M, B23H 736

Patent

active

047300949

ABSTRACT:
An electric spark machining apparatus includes a cooling device which is arranged so that machining liquid pumped up from a reservoir and fed to an electric spark machine is controlled in temperature to minimize a temperature difference between machining liquid entering into the electric spark machine and the latter.

REFERENCES:
patent: 3522711 (1970-08-01), Shaughnessy
patent: 4257238 (1981-03-01), Kountz et al.
patent: 4282718 (1981-08-01), Kountz et al.
patent: 4491714 (1985-01-01), Inoue
patent: 4584845 (1986-04-01), Hansen et al.

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