Manufacturing method of wing-body integrated honeycomb sandwiched composite material skin
A composite material and wing-body fusion technology, which is applied in the field of composite material molding in the aviation industry, can solve the problems of complex skin shape, difficult control of honeycomb edge, and high cost, so as to shorten the curing cycle, eliminate the offset defect of honeycomb sandwich core, reduce the The effect of solidifying costs
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[0030] The present invention is a process method for integral solidification and molding of wing-body fusion honeycomb sandwich composite materials. The process method will be further explained in conjunction with an example of a wing-body fusion skin engineering example of a certain model.
[0031] Step 1: Prepare a hot-pressing mold for the skin of the wing-body fused honeycomb sandwich composite material, and the mold includes a frame-type support structure and a mold surface. In practical engineering applications, before the hot-pressing mold is prepared, the design of the mold, the honeycomb anti-slip rib and the stiffness and strength analysis of the mold are carried out by CAD three-dimensional software and CAE finite element software: the honeycomb sandwich composite skin is designed by UG software parts mold, such as figure 1 As shown, 32 anti-slip positioning holes 1 with a diameter of 0.5 mm are designed on the mold surface. The frame structure is mainly to meet the...
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