Method of producing a hollow airfoil

A method of producing an airfoil (10) is provided. The method includes forming a steel airfoil preform with a pocket (23) on at least one of the pressure (15) and suction surfaces (16), forming a cover plate (30) for the pocket (23) and welding the cover plate (30) over the pocket (23).

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Bibliographische Detailangaben
1. Verfasser:	Ganesh, Swami
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINED OPERATIONS 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 NON-POSITIVE DISPLACEMENT PUMPS OTHER WORKING OF METAL PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	A method of producing an airfoil (10) is provided. The method includes forming a steel airfoil preform with a pocket (23) on at least one of the pressure (15) and suction surfaces (16), forming a cover plate (30) for the pocket (23) and welding the cover plate (30) over the pocket (23).