Multi-ring system for fuselage barrel formation

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 1/12 (2006.01) B64C 1/00 (2006.01)

Patent

CA 2604079

An aircraft fuselage barrel (10) includes a skin (12) and a shear tie (18). The shear tie (18) resides within and is integrally formed with the skin (12). The shear tie (18) is separate from and configured for frame attachment thereon. A multi-ring system (79) for fuselage barrel formation includes a mold (68) with a ring (50). The ring (50) has width (W2) approximately equal to a separation distance (D) between two adjacent fuselage frames (22) and includes a module (52) that has a circumferential length (L1) that is greater than a circumferential distance between two fuselage longerons (14). A support structure (80) is coupled to and supports the mold (68). A method of forming the aircraft fuselage barrel (10) includes constructing the support structure (80). Rings (86) of the mold (68) are attached to and over the support structure (80). The mold (68) is constructed. Material is laid-up onto the mold (68) to integrally form the one-piece fuselage barrel (10) including a Hat-configured longeron (14).

L'invention concerne un fuselage d'avion (10) qui comprend une peau (12) et une barre de cisaillement (18). La barre de cisaillement (18) est située dans la peau (12) et fait partie intégrante de la peau (12). La barre de cisaillement (18) est séparée du châssis et conçue pour être fixée à ce dernier. Un système à bagues multiples (79) pour la formation d'un fuselage comprend un moule (68) muni d'une bague (50). Cette bague (50) présente une largeur (W2) approximativement égale à une distance de séparation (D) entre deux châssis de fuselage adjacents (22) et comprend un module (52) pourvu d'une longueur circonférentielle (L1) supérieure à une distance circonférentielle entre deux longerons (14). Une structure de support (80) est couplée au moule (68) et supporte ce dernier. Un procédé de formation du fuselage (10) de l'avion consiste à construire la structure de support (80). Les bagues (86) du moule (68) sont fixées sur la structure de support (80). Le moule (68) est construit. Un matériau est déposé sur le moule (68) afin de former une seule pièce avec le fuselage en une pièce (10) comprenant un longeron en forme de chapeau (14).

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