Method for surface blasting cavities, particularly cavities...

Details Method for surface blasting cavities, particularly cavities... Method for surface blasting cavities, particularly cavities...

B - Operations, Transporting

24

C

B24C 1/10 (2006.01)

Patent

CA 2589964

The invention relates to a method for surface blasting cavities, particularly cavities in gas turbines. According to the invention, shot is accelerated with the aid of at least one vibrator, whereby this shot accelerated in the ultrasound region are directed toward surfaces of a cavity to be blasted. The vibrator is preferably positioned at a short distance, preferably at a distance in the order of magnitude of the diameter of the shot used for blasting, from the cavity to be blasted.

L'invention concerne un procédé permettant d'exposer des cavités à des rayonnements, notamment des cavités situées au niveau de turbines à gaz. Selon l'invention, des billes sont accélérées au moyen d'un vibreur, les billes accélérées dans la plage des ultrasons étant dirigées sur des surfaces d'une cavité à exposer à l'action de rayonnements. A cet effet, le vibreur est positionné de préférence à distance réduite de la cavité à exposer à l'action de rayonnements, de préférence à une distance de l'ordre de grandeur du diamètre des billes utilisées pour appliquer les rayonnements.

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