METHOD FOR PRODUCING AN INTEGRALLY BLADED ROTOR, ROTOR AND APPARATUS FOR CARRYING OUT THE METHOD

An integrally bladed rotor comprises a rotor main body (12) and a blade unit (16). When producing the rotor, these are initially spaced apart from each other such that a gap (20) forms. An intermediate body (26) is introduced in said gap (20) by way of rotational friction welding in order to bridge...

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Bibliographische Detailangaben
Hauptverfasser:	UIHLEIN, THOMAS, KLINGELS, HERMANN, HELM, DIETMAR, KNOTT, ULRICH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL HEATING INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THANNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS,TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTIONPRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 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 OTHER WORKING OF METAL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	An integrally bladed rotor comprises a rotor main body (12) and a blade unit (16). When producing the rotor, these are initially spaced apart from each other such that a gap (20) forms. An intermediate body (26) is introduced in said gap (20) by way of rotational friction welding in order to bridge the gap (20) and connect the rotor main body (12) to the blade unit (16). As an alternative, the intermediate body (26) is first friction-welded to one of the parts (12, 16) to be connected by rotational motion. The other one of the parts to be welded on is then attached to the resulting integral unit by friction welding.