WELDING METHOD FOR HOLLOW AIRFOILS AND INTERMEDIATE BODY

A method of forming an airfoil includes the steps of (a) providing an airfoil body with a hollow having at least one rib extending to an outer surface, and forming the outer surface of the rib to have at least one groove connecting a hollow pocket within a boundary defined by the rib to a location o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Dolan, Robert C
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A method of forming an airfoil includes the steps of (a) providing an airfoil body with a hollow having at least one rib extending to an outer surface, and forming the outer surface of the rib to have at least one groove connecting a hollow pocket within a boundary defined by the rib to a location outwardly of the rib, (b) placing a cover over the hollow, and (c) welding the cover to the airfoil body, and such that the rib is welded to the blade cover. An intermediate airfoil body is also disclosed.