Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1977-12-14
1979-01-30
Mack, John H.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204225, 204228, B23P 102, B23P 112
Patent
active
041371437
ABSTRACT:
Apparatus for electrochemically machining metal workpieces. An electrically conductive stationary support supports a metal workpiece to be electrochemically machined. An electrically conductive mobile support supports an electrode-tool and moves it toward the workpiece for machining and retracts it. A pair of electrical contacts are electrically connected to the stationary and mobile supports respectively. One of the contacts is mobile and moves with the mobile support axially through the other contact which is stationary. A given axial length of the mobile contact is non-conductive. This length can be determined to allow for the height of the workpieces machined. The non-conductive portion insures that the mobile contact is continuously guided on the stationary contact during its axial movement and that the contacts are in continuous slidable contact. A stop on the mobile contact variably positionable axially thereon closes a supply circuit energizing the two contacts and the supports as the electrode-tool assumes its desired initial position for machining and the circuit is opened when the electrode-tool is retracted.
REFERENCES:
patent: 3386907 (1968-06-01), Abt
patent: 3448024 (1969-06-01), Philpott
Dubovik Alexandr I.
Etnaer Alexandr I.
Kolesnichenko Anatoly A.
Lekarev Zinovy A.
Makeev Boris A.
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Mack John H.
Nauchno-Issledovatelsky Institut Avtomatizatsii Upravlenia I
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