Ceramic blasting apparatus and method to prevent gear pitting

B - Operations – Transporting – 24 – C

Patent

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Details

B24C 3/00 (2006.01) B24C 1/10 (2006.01) B24C 9/00 (2006.01) B24C 11/00 (2006.01)

Patent

CA 2448485

An improved method for media blasting a workpiece (20) is described. The media blasting method of the present invention includes the steps of positioning the work piece (20) in a part holder (130) for maintaining the workpiece in at least one predetermined position during a blasting operation; supplying positive air pressure to deliver ceramic media to a blast nozzle (155); directing the ceramic media at the workpiece through the blast nozzle (155); exposing multiple surfaces of the workpiece to the ceramic media; and collecting the ceramic media for reuse in subsequent blasting operation.

L'invention a trait à un procédé amélioré de grenaillage d'une pièce (20). Ce procédé de grenaillage comporte les étapes suivantes : placement de la pièce (20) dans un porte-pièce (130) de façon que la pièce soit maintenue dans au moins une position prédéterminée pendant l'opération de grenaillage; libération d'une pression d'air positive afin d'acheminer de la matière céramique à une buse de soufflage (155) ; projection de la matière céramique sur la pièce à travers la buse de soufflage (155) ; exposition des différentes surfaces de la pièce à la matière céramique ; et récupération de la matière céramique en vue d'une réutilisation lors de l'opération de grenaillage suivante.

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