METHOD OF BLADE TIP REPAIR

METHOD OF BLADE TIP REPAIR

A method for repairing a blade (10) for use in a gas turbine engine, the method comprising removing a distal tip of an airfoil (16) included in the blade (10) to remove damaged portions of the airfoil and to expose previously internal cooling passages. The method further comprising positioning a tip...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: EARLE, PAVLO, BADER, JACQUE, SHUCK, QUINLAN, RIBIC, BRANDON, NORDIN, MARK
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CLADDING OR PLATING BY SOLDERING OR WELDING
COMBINED OPERATIONS
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
UNIVERSAL MACHINE TOOLS
WELDING
WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:A method for repairing a blade (10) for use in a gas turbine engine, the method comprising removing a distal tip of an airfoil (16) included in the blade (10) to remove damaged portions of the airfoil and to expose previously internal cooling passages. The method further comprising positioning a tip cap (24) in the place of the removed distal tip to cover the internal cooling passages, and welding the tip cap (24) to the airfoil by applying a directed energy beam onto the tip cap (24) and the airfoil (16) at a joint between the tip cap (24) and the airfoil (16).