Discharge machining apparatus with liquid flow control

Details Discharge machining apparatus with liquid flow control Discharge machining apparatus with liquid flow control

1989-07-19

1991-04-02

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

219 6914, B23H 310, B23H 736, B23H 914

Patent

active

050045300

ABSTRACT:
A machining liquid 5 is supplied to a machining zone between a machining electrode 4 and a workpiece 2 in a direction effective to remove material particles to be accumulated around the machining zone. When the liquid pressure drops below a predetermined level due to a breakthrough in the bottom of the workpiece, machining liquid is supplied in a direction up through the breakthrough hole to compensate for a reduction of particle removing effect due to the pressure drop.

REFERENCES:
patent: 3067358 (1962-12-01), DeMaine
patent: 3435175 (1969-03-01), Shaffer

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