LINEAR FRICTION WELDING OF AN AEROFOIL BLISK

A method of making an aerofoil blink comprising a plurality of aerofoil blades joined to a disc to extend radially outwardly therefrom is provided, The method includes the step of: (a) modelling a linear friction welding process in which a blade member is joined to the disc, the blade member having...

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Bibliographische Detailangaben
1. Verfasser:	BRAY SIMON E
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A method of making an aerofoil blink comprising a plurality of aerofoil blades joined to a disc to extend radially outwardly therefrom is provided, The method includes the step of: (a) modelling a linear friction welding process in which a blade member is joined to the disc, the blade member having a stub for joining to the disc, wherein the modelling provides results which are indicative of the welding power at positions along the stub during the welding process; (b) identifying adaptations to the stub using the modelling results to compensate for differences in welding power along the stub during the welding process; (c) providing a blade member having a stub with the identified adaptations; and (d) joining the provided blade member to the disc by the linear friction welding process.