Airfoil for a gas turbine engine and method of manufacture

Details Airfoil for a gas turbine engine and method of manufacture Airfoil for a gas turbine engine and method of manufacture

B - Operations, Transporting

23

K

B23K 37/00 (2006.01) B22C 7/00 (2006.01) B22C 7/02 (2006.01) B22C 9/00 (2006.01) B22C 9/02 (2006.01) B22C 9/04 (2006.01) B22C 9/06 (2006.01) B22C 9/24 (2006.01) B23K 5/22 (2006.01) B23K 20/00 (2006.01) B23K 20/02 (2006.01) B23K 31/12 (2006.01) B23K 37/04 (2006.01) B23P 17/00 (2006.01) B41B 11/54 (2006.01) B41B 11/60 (2006.01)

Patent

CA 2340007

A fabricated as turbine engine component and method of manufacturing. In one embodiment the component having a spar member (23) with a cover member (24) metalurgically bonded thereto. The bonding of the cover member (24) being controlled by an apparatus (27) that sequentially applies a substantially non- uniform bonding load across the components radius of curvature. The patterns utilized in the casting process are formed in one embodiment to a precision preformed geometry by a closed die forming operation.

L'invention concerne une pièce mécanosoudée pour turbine à gaz et son procédé de fabrication. Dans une réalisation, la pièce comporte un élément de structure (23) sur lequel un couvercle (24) est fixé par liaison métallurgique. Cette fixation du couvercle (24) est obtenue au moyen d'un appareil (27) qui applique séquentiellement une charge de liaison sensiblement non uniforme sur le rayon de courbure des pièces. Dans une réalisation, les gabarits de moulage sont préformés à des cotes géométriques précises grâce à un procédé de formage par matrice fermée.

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