A hollow interlayer fabric with profiling function

Abstract

The invention discloses a hollow interlayer fabric with profiling function, which has an axis, and relative to the axis, the hollow interlayer fabric has a single curvature; the hollow interlayer fabric has an outer layer fabric and an inner layer fabric, and the inner layer fabric It has an asymmetric structure with the outer fabric. The outer fabric is interwoven with the outer warp yarn and the outer weft yarn. The inner fabric is interwoven with the inner warp yarn and the inner weft yarn. The outer weft yarn and the inner weft yarn are interwoven. all extend in a direction parallel to the axis; a suede warp is arranged between the outer fabric and the inner fabric, the suede warp is interwoven with the inner fabric and the outer fabric, and the suede warp is perpendicular to the axis; The fleece forms the middle core layer; the unfolded length of the outer fabric is greater than that of the inner fabric. The invention has a single-curvature structure, the inner and outer fabrics are asymmetric structures, and the number of weft yarns is different, so that the inner and outer warp yarns tend to have the same curvature, and the internal stress of the inner and outer fabrics is roughly the same, with a more stable structure.

Description

technical field [0001] The invention belongs to the technical field of special woven fabric structures, and in particular relates to a hollow interlayer fabric with profiling function. Background technique [0002] With the rapid development of radars and antennas, their structures are various and their sizes are getting bigger and bigger. The protective cover and shielding cover of the antenna are no longer the traditional planar structure, but have begun to develop in the direction of arc and sphere. The fabric used as the prefabricated body of protective structures such as protective covers and shielding covers also needs to develop in the direction of arcs and gyratory. [0003] see figure 1 , at present, the traditional manufacturing method of curved composite materials is as follows: firstly, a flat prefabricated fabric is made, and the fabric has a first outer structure 110, a second outer structure 120, and the first outer structure and the second outer structure ar...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the defects of high fiber volume content, poor height consistency, and fabric uniformity in the preparation process of series products such as curvature radome and shielding cover, the invention provides a hollow interlayer fabric. The specific technical solution is:

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