abstract |
The invention relates to a composite material fan blade and a preparation method and application thereof. The blade includes a blade shell, a web, a spar cap and a blade root, and is characterized in that the spar cap is made of polyurethane resin, and the blade shell is made of epoxy resin. The invention improves the strength of the fan blade, makes the fan blade lighter, and shortens the production cycle, thereby saving the production cost of the fan blade. |