Aerospace composite material grating structure laying method
A composite material and grid structure technology, applied in the aerospace application field of composite materials, can solve the problems of poor fiber infiltration and high fiber content, and achieve the effects of avoiding thickness accumulation, improving grid structure, and avoiding fiber accumulation.
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[0023] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0024] The method for laying up a grid structure of aerospace composite materials includes the following steps: for multiple ribs in the same direction and the same layer of fiber strips, the intersections selected for the design of the layup avoidance should be staggered from each other.
[0025] Such as figure 2 As shown, taking a 2×2 grid with 3 layers as an example, according to the definition of traditional continuous layering, the number of layers accumulated at the four intersections is 6 layers.
[0026] Such as image 3 As shown, in the first layer of the 2×2 grid, the first transverse rib 1 is cut and divided into 11 layers and 12 layers at the intersection with the first longitudinal rib 3; The intersection of two longitudinal ribs 4 is cut and divided into 21 layers and 22 layers; the first longitudinal rib 3 is cut and divided ...
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