Process and apparatus for electrolytic metal processing

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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Details

20412943, 204224M, 204225, 204228, 219 69S, B23P 102, B23P 112, B23K 916

Patent

active

043315240

ABSTRACT:
A method and apparatus for electrolytic processing of a metallic workpiece in which short circuits in the operating gap which produce an arc are detected and extinguished by an auxiliary d.c. current of limited duration and counter to the direction of flow of the operating current without withdrawing the electrode or cutting off the operating current.

REFERENCES:
patent: 3617680 (1971-11-01), Grosskopf
patent: 3673371 (1972-06-01), Smith et al.
patent: 3749877 (1973-07-01), Lobur
patent: 3825713 (1974-07-01), Bell, Jr.
patent: 3884790 (1975-05-01), Kobayashi et al.
patent: 4242555 (1980-12-01), Delpretti

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