Method and apparatus for forming by electrochemical material removal
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United States of America Patent
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Aug 27, 2013
Grant Date -
Feb 4, 2010
app pub date -
Oct 23, 2008
filing date -
Dec 17, 2002
priority date (Note) -
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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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