B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 15/02 (2006.01) F01D 5/18 (2006.01) B21C 23/16 (2006.01) B21H 7/16 (2006.01) B21J 5/12 (2006.01) B21K 3/04 (2006.01)
Patent
CA 2718801
The invention relates to a method for manufacturing a hollow blade (10) for a turbomachine that comprises drilling channels (24) into a blank of the blade, placing inserts into the channels (24), forging the blank, and removing the inserts by chemical dissolution, and is characterized in that the blade (10) is an aluminum alloy and the inserts are a copper alloy.
Procédé de fabrication d'une aube creuse (10) pour turbomachine consistant à percer des canaux (24) dans une ébauche de l'aube, à placer des inserts dans les canaux (24), à soumettre l'ébauche à un forgeage et à éliminer les inserts par dissolution chimique, caractérisé en ce que l'aube (10) est en alliage d'aluminium et les inserts en alliage de cuivre. Image
Bertrand Francoise
Duclos Guillaume
Franchet Jean-Michel Patrick Maurice
Molinari Olivier Michael
Goudreau Gage Dubuc
Snecma
Snecma Moteurs
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