GRENAILLAGE DES SOMMETS DES AUBES REFROIDIES

A method for peening the tops of cooled blades which include cooling air passage orifices. Peening is performed by mobilization of a plurality of beads in a sealed chamber containing at least one blade tip. The plurality of beads is mobilized by the active surface of a sonotrode which delimits part...

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Bibliographische Detailangaben
Hauptverfasser:	CHAREYRE FRANCIS LUCIEN GUY, SIMON GUILLAUME FRANCOIS ROCHER, NTSAMA ETOUNDI MARIE CHRISTINE MARCELLE, HOFFMANN HAKIM, FRADIN WILLY LIONEL, KERNEIS STEPHANE MICHEL, BERTHELET BENOIT JEAN HENRI
Format:	Patent
Sprache:	fre
Schlagworte:	ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CHEMISTRY COMBINED OPERATIONS COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS DRESSING OR CONDITIONING OF ABRADING SURFACES ENGINE PLANTS IN GENERAL FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GAS-TURBINE PLANTS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GRINDING HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES OTHER WORKING OF METAL PERFORMING OPERATIONS POLISHING STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	A method for peening the tops of cooled blades which include cooling air passage orifices. Peening is performed by mobilization of a plurality of beads in a sealed chamber containing at least one blade tip. The plurality of beads is mobilized by the active surface of a sonotrode which delimits part of said chamber. The beads have a diameter greater than that of the cooling air passage orifices.