B - Operations – Transporting – 24 – C
Patent
B - Operations, Transporting
24
C
B24C 1/10 (2006.01)
Patent
CA 2721642
The present invention relates to a method for ultrasound shot-blasting by means of a cloud of balls set in motion through contact with a sonotrode having one metallic surface including an area of difficult access. It is characterized in that the surface is that of a hook (20) axially restrained on a turbomachine blade including a groove (5) provided between the hook and the base of the blade, and the cloud of balls is contained in a chamber (25) encompassing said groove and said surface portion (7) outside said groove.
La présente invention porte sur un procédé de grenaillage par ultrasons, au moyen d'un brouillard de billes mises en mouvement au contact d'une sonotrode, d'une surface métallique comprenant une zone d'accès difficile. Il est caractérisé par le fait que la surface étant celle d'un crochet (20) de retenue axiale d'une aube de turbomachine comprenant une gorge (5) ménagée entre le crochet et le pied de l'aube, le brouillard de billes est contenu dans une enceinte (25) englobant ladite portion de surface (7) extérieure à ladite gorge et ladite gorge.
Goudreau Gage Dubuc
Snecma
LandOfFree
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