Abstract
This paper describes the splicing of an 8 × 8 484 cross-break track, based on the carrier arrangement characteristics (CAC) method for track splicing technology. The arrangement period of the carrier (T) in the track is obtained in order to discern which slot has a carrier in a period and which one does not. Six basic types of track unit are deconstructed, and a mathematical model is established to determine the possible state of the carrier in each slot of the track unit. Finally, the specific pattern of the carrier arrangement in the 484 cross-break track unit is obtained and verified using a three-dimensional (3D) rotary braiding machine with a square track disc. This provides a reference for solving the carrier arrangement of a 3D square rotary braiding machine.
Highlights
Three-dimensional (3D) braiding technology was first developed in the 1970s, in the United States, through the successful application of 3D braiding a composite material to replace the alloy material of rocket engines [1]
Determine the carrier arrangement characteristics of the track spliced by the first (j + 1) track units, where the existence of the carriers in the track units—from the first unit “1” to the final one (j + 1) in Figure 2—in the arrangement period is obtained: Mpa(1−( j+1)) = MPa(1− j) ∩ Mb( j+1)
Smoothly—that is, without collision—under the guidance of the designed 484 cross-break track, it is necessary to study the specific numerical result of the carrier arrangement. This the CACproblem carrier arrangement in the process, second sub‐track, consisting willDetermine solve the collision of carriers innumber the braiding after obtaining the repeat of track units
Summary
Three-dimensional (3D) braiding technology was first developed in the 1970s, in the United States, through the successful application of 3D braiding a composite material to replace the alloy material of rocket engines [1]. The algorithm was combined with a multi-step braiding machine, and several different braided fabrics were produced with alternative materials. Fabric structures with differently-shaped cross-sections are mainly obtained are mainly obtained by changing the arrangement of the carriers and the numb by changing the arrangement of the carriers and the number of cyclic steps. Et al [12,13] summarized the principles of the arrangement of yarn carriers in th summarized the principles of the arrangement of yarn carriers in the braiding process of process of fabric with an irregular cross-section. A mathematical of the arrangement carrier arrangement is established order obtain the cific pattern of the carrier arrangement in a period, which can help engineers to design larger 3D rotary braiding machines with square‐shaped configuration track discs
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