Apparatus for the electrolytic drilling of precision holes

Details Apparatus for the electrolytic drilling of precision holes Apparatus for the electrolytic drilling of precision holes

1984-07-06

1985-07-16

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204279, 204297R, 20412955, B23P 102, B23P 112

Patent

active

045294933

ABSTRACT:
An apparatus for the electrolytic drilling of precision holes into a work piece surface which extends at an acute angle to the drilling direction, has one tubular electrode for each hole to be drilled. Each electrode directs an electrolyte stream in the desired direction. In order to assure a proper drilling and to protect the work piece outside the holes to be drilled, a covering body is located to cover the work piece surface through which the holes are to be drilled. The covering body has a surface which closely hugs or forms an interface with the work piece surface, and another surface which extends perpendicularly to the drilling direction so that the drilling begins through the covering body which then forms a guide for the electrode and for the return flow.

REFERENCES:
patent: 3120482 (1964-02-01), Williams
patent: 3196093 (1965-07-01), Williams
patent: 3696014 (1972-10-01), Goodard et al.
patent: 4043883 (1977-08-01), Puhr-Westerheide

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