ELECTROCHEMICAL MACHINING ELECTRODE DEVICE FOR REALIZING A COOLING SLOT IN A BLADE OF A GAS TURBINE ASSEMBLY AND METHOD FOR REALIZING A COOLING SLOT IN A BLADE OF A GAS TURBINE ASSEMBLY USING THIS ELECTROCHEMICAL MACHINING ELECTRODE DEVICE

An electrochemical machining electrode device (1) for realizing a cooling slot in a surface of a body (3), preferably a blade, to be cooled of a gas turbine assembly; the device being a sandwich body comprising: two outer electrically non-conducting plates (5); two inner electrically conducting plat...

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Bibliographische Detailangaben
1. Verfasser:	BALLIEL, Martin
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL TRANSPORTING WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OFELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKESTHE PLACE OF A TOOL
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Beschreibung
Zusammenfassung:	An electrochemical machining electrode device (1) for realizing a cooling slot in a surface of a body (3), preferably a blade, to be cooled of a gas turbine assembly; the device being a sandwich body comprising: two outer electrically non-conducting plates (5); two inner electrically conducting plates (6) in direct contact with the two outer non-conducting plates (5); the two inner electrically conducting plates (5) being separated for forming a central gap (7) used to provide flow of fresh electrolyte to the surface to be machined; wherein the inner electrically conducting plates serve as a cathode providing current from an electrical current source to the surface to be machined, which is used as anode and also connected to the electrical current source; a plurality of bridge bodies (8) connecting the two inner electrically conducting plates.