Method for manufacturing a variable-pitch composite blade for a

Details Method for manufacturing a variable-pitch composite blade for a Method for manufacturing a variable-pitch composite blade for a

1998-12-08

2000-05-02

Knable, Geoffrey L.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156245, 264258, 264279, 2643282, 416230, 416239, B64C 27473

Patent

active

060568380

ABSTRACT:
The method comprises the following steps: producing a preform of the blade comprising a blade root section for connection to a hub and an aerodynamically profiled main blade section, the blade root section of the preform including at least one cylindrical portion for guidance in terms of incidence; arranging a respective peripheral metal ring around each cylindrical portion for guidance in terms of incidence of the preform; arranging the preform provided with each peripheral metal ring in an injection mould; injecting a thermosetting liquid resin into the mould; and heating the mould to make the thermosetting resin set.

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