Electrochemical removal of material from metallic work

Details Electrochemical removal of material from metallic work Electrochemical removal of material from metallic work

1977-04-25

1980-05-13

Mack, John H.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041297, 2041295, 204224M, 204284, B23P 100, B23P 114, C25F 700

Patent

active

042027390

ABSTRACT:
Deburring, polishing, surface forming and the like are carried out by electrochemical machining with conformable electrode means including an electrically conducting and an insulating web. The surface of the work to be processed is covered by a deformable electrically insulating web or cloth which is perforated and conforms with the work. The web is covered by a deformable perforated electrically conducting screen electrode which also conforms with, and is insulated from, the work by the insulating web. An electrolyte is conducted through the electrode and insulating web and along the work through a perforated elastic member which engages the electrode under pressure pressing the electrode and web against the work. High current under low voltage is conducted betwen the electrode and work through the insulator, removing material from the work. Under the pressure of the elastic member, the electrode and insulator continue to conform with the work and the spacing between the electrode and work is maintained constant.

REFERENCES:
patent: 2540602 (1951-02-01), Thomas et al.
patent: 2590927 (1952-04-01), Brandt et al.
patent: 3183176 (1965-05-01), Schwartz, Jr.
patent: 3433727 (1969-03-01), Keeleric
patent: 3458424 (1969-07-01), Bender
patent: 3536603 (1970-10-01), Bonga
patent: 3637468 (1972-01-01), Iexi et al.
patent: 3751343 (1973-08-01), Macula et al.
patent: 4045312 (1977-08-01), Satoshi

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