Method for the manufacture of wind vanes

Details Method for the manufacture of wind vanes Method for the manufacture of wind vanes

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 1/06 (2006.01) B29C 70/86 (2006.01) B64C 11/16 (2006.01)

Patent

CA 2694049

Method for the manufacture of wind vanes, consisting in: formation of a single foam core (2), with numerical control machines, application of reinforcing layers (3) pre-impregnateted in resin (4), curing of the layers (3) as part of the application process itself, by means of UV (ultraviolet) instant curing and thermal curing, polishing of the vane surface, also by use of an automatic numerical control machine, and final painting. Alternatively, the core is made using a mould, is a single piece or, two shells (2a) and (2b) which are subsequently joined with adhesive, is solid or, at least in the root thereof, hollow, or formed by two solid or lightened shells and can contain a central inner tube (6) of composite as a rigidizing element, and other smaller tubes (7) inside the leading and trailing edges.

Procedimiento para la fabricación de palas eólicas, consistente en: realización de un único núcleo (2) de espuma, con máquinas de control numérico, aplicación, de capas de refuerzo (3) previamente impregnadas en resina (4), curado de las capas (3) en el mismo proceso de su aplicación, mediante combinación de curado instantáneo por UV (ultravioleta) y curado térmico, pulido de la superficie de la pala, también mediante la utilización de una máquina automática de control numérico, y pintado final. Alternativamente, el núcleo está realizado mediante un molde, es una única pieza o, dos coquillas (2a) y (2b) que posteriormente se unen con adhesivo, es macizo o, al menos en su raiz, hueco, o bien formado por dos coquillas macizas o aligeradas, puede alojar, un tubo central (6) interior de composite a modo de elemento rigidizador, asi como otros tubos (7) más pequeños en el interior de bordes de ataque y salida.

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