Electroplating of precision parts

Details Electroplating of precision parts Electroplating of precision parts

1989-12-27

1990-08-07

Tufariello, T. M.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C25D 1716

Patent

active

049465724

ABSTRACT:
An apparatus assembly for use in an electroplating cell having an electrolyte and one or more sacrificial anodes, comprising: an electrically conductive magazine (elongated steel ribs) defining a sliding supportive track for electrically conductive articles to be coated, said magazine being supported for turning about an axis generally perpendicular to said track, said magazine providing freedom for sliding movement of such articles along said track to either side of said axis during each half-revolution of the magazine about the axis; means for establishing a current throw through said electrolyte between said anode and articles along planes generally parallel to said axis; and means for rotatably driving said magazine about said axis so that each of said articles will experience electrolyte flow reversal and a generally equal length path of movement through said electrolyte for each revolution of the magazine about said axis.
A method of electroplating a precision hollow article using the sliding, shifting action of such magazine, and an electroplated fuel injector housing resulting from using such apparatus and method.

REFERENCES:
patent: 4671862 (1987-06-01), Birkle et al.
patent: 4696728 (1987-09-01), Birkle et al.

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