COMPOSITE MATERIAL BLADE WITH TWO SPAN AND DOUBLE CASING STRUCTURE, HONEYCOMB CORE SANDWICH FIBERGLASS GRAMINATES AND FABRICATION PROCESS THEREOF

摘要

"leap in composite materials, structurebilongeron and bicaisson coatings, and laminateshoneycomb sandwich and processmanufacturingabbreviated descriptionthe blade of composite material structurebilongeron (1, 2) and bicaisson (3, 4), andcoatings (5, 6) strafifiu00e9s to sandwich the nestbees (53, 54, 63, 64) according to the inventiona spar (1) before the leading edge.section c, a side core (2) with twoflanges (22, 23) at the ends of a core(21) for cutting honeycomb filling(24) sandwiched between layers.(25), and a layer of floor panelshoneycomb sandwiched between layersexternal (51, 61) and internal (52, 62) formed bystack of layers of fiber cloth, in order todefine two rails (3, 4) filled with cores(7, 8) of foam, very light. the flanges (22, 23).are incorporated into the coatings (5, 6) which areconnected to the trailing edge of the.(9) in the area of the foam. the blade materialapplies to the composite equipmentmilitary aircraft and helicopterscivilians with large blades.