Electrolysis: processes – compositions used therein – and methods – Electrolytic erosion of a workpiece for shape or surface... – With programmed – cyclic – or time responsive control
Reexamination Certificate
2003-12-12
2008-12-09
Wilkins, III, Harry D. (Department: 1795)
Electrolysis: processes, compositions used therein, and methods
Electrolytic erosion of a workpiece for shape or surface...
With programmed, cyclic, or time responsive control
C205S649000, C205S654000, C205S686000, C204S212000, C204S222000, C204S22400M, C219S069170, C219S066000
Reexamination Certificate
active
07462273
ABSTRACT:
When forming metallic components, in particular three-dimensionally curved blades, which constitute a single piece with the blading of turbomachine rotor wheels, the linear oscillation of the electrode acting as a tool is superimposed by a circular oscillation, enabling the electrode to turn into the workpiece conformally with its shape. Further forming is performed by circular oscillation with circular feed in the one and/or the other direction. An embodiment of the corresponding apparatus comprises an electrode holder (9) with linear feed (Zvor) and linear oscillation (Zosz) and a workpiece holder (5) with circular oscillation (Cosz) and circular feed (Cvor).
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German Search Report dated Dec. 17, 2002.
Klima Timothy J.
Rolls-Royce Deutschland Ltd & Co KG
Smith Nicholas A.
Wilkins, III Harry D.
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