Method for electrochemical machining

Details Method for electrochemical machining Method for electrochemical machining

1977-09-12

1978-09-12

Mack, John H.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204DIG8, B23P 100

Patent

active

041135873

ABSTRACT:
In a method for electrochemical machining effected by disposing a work blank and a cathode opposite each other across a gap in an electrolyte and causing a flow of electric current to pass between said work blank and cathode, an improvement is disclosed which consists in using, as the electric current, a pulsating electric current having a pulse width of from 0.01 to 10 ms and a duty factor of not more than 0.5. Use of the pulsating electric current of the foregoing description in place of direct current enables the desired machining to be accomplished effectively on the work blank without involving any forced movement of the electrolyte.

REFERENCES:
patent: 3294666 (1966-12-01), Wiersma
patent: 3297555 (1967-01-01), Rerat
patent: 3417006 (1968-12-01), Inoue
patent: 3477929 (1969-11-01), Namikata et al.
patent: 3520788 (1970-07-01), Paehr
patent: 3607689 (1971-09-01), Inoue
patent: 3649488 (1972-03-01), Pitetti et al.
patent: 3654116 (1972-04-01), Inoue
patent: 3883793 (1975-05-01), Mizuhara et al.

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