B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 7/06 (2006.01) B22F 5/00 (2006.01) B23P 15/00 (2006.01) F01D 5/02 (2006.01)
Patent
CA 2759647
The invention relates to a method for manufacturing an assembly (11) including a plurality of blades (9) mounted in a platform (7, 8), wherein: the blades (9) are manufactured separately from the platform (7, 8), the blades (9) being finished after manufacturing; a mixture of metal powder and thermoplastic binder is prepared; the mixture is injected into a mould to obtain a platform blank (7, 8); an operation is performed to remove the binder from the platform blank (7, 8) prior to assembling the finished blades (9) to said blank (7, 8); one end of the finished blades (9) is inserted into a recess provided in the platform blank (7, 8) in order to assemble the assembly (11); and the assembly of the platform blank (7, 8) with the finished blades (9) is sintered to combine the assembly (11).
Un procédé de fabrication d'un ensemble (11) comprenant une pluralité d'aubes (9) montées dans une plateforme (7, 8), procédé dans lequel : - on fabrique les aubes (9) séparément de la plateforme (7, 8), les aubes (9) après fabrication étant finies; - on prépare un mélange de poudre métallique et de liant thermoplastique; - on injecte le mélange dans un moule pour obtenir une ébauche de plateforme (7, 8); - on réalise une opération de déliantage de l'ébauche de plateforme (7, 8) préalablement à l'assemblage des aubes finies (9) avec ladite ébauche (7, 8); - on insère une extrémité des aubes finies (9) dans un logement ménagé dans l'ébauche de plateforme (7, 8) afin d'assembler l'ensemble (11); et - on fritte l'assemblage de l'ébauche de plateforme (7, 8) avec les aubes finies (9) pour associer l'ensemble (11).
Benard Jean-Paul
Mengeling Vanessa
Mottin Jean-Baptiste
Goudreau Gage Dubuc
Snecma
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