Importance

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Abstract

A method for producing of a metal component that is electrochemically machined to remove material, wherein an electrode is positioned adjacent to and, by a duct gap, spaced from a component portion to be machined, and in the presence of an electrolyte a current and a voltage are applied to the electrode and the component. The electrode is moved toward the component from an initial position to a terminal position. In a first operating mode material is removed using a permanently applied current and voltage, a constant electrolyte flow through the duct gap, and a constant advancement of the electrode from the initial position toward the component while maintaining a first gap width. Upon achieving a predetermined removal depth, a changeover to a second operating mode occurs and the electrode is moved cyclically between a non-operating position and an operating position having a second gap width smaller than the first gap width. A current pulse and voltage pulse are applied only in the operating position, and the electrolyte flows through the gap at least in the non-operating position. The second operating mode is maintained until a desired final geometry.

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First Claim