Abstract
Carbon fiber braids are widely applied in various industrial fields as structural components. However, using braiding machines to braid carbon fibers is an emerging technology, but some technical problems must be solved. For instance, carbon fibers are easily fluffed when using traditional carriers; with increasing braiding speed, the machine fiercely vibrates. To investigate these problems, an improved mechanical structure of the carrier is designed, which reduces the friction between the carbon fiber and guide hole and changes the carbon fiber storage quantity. Based on the carrier, the corresponding mathematical model of the tensioning system is established by the dynamical equations, and numerical analyses and simulations are carried out. Moreover, the validation of the established mathematical model is verified. According to the results of the simulation, the fluctuation in the tensioning force is smaller than that in previous studies, and the trend is in accordance with previous research results. As a result, the present model provides a better description of the dynamic process of carbon fiber braiding.
Highlights
Braiding machines are widely used to form textile products, ropes/tubes, and other structural or composite components
Braiding machines are urgently needed to braid carbon fibers, glass fibers, or ceramic fibers for use as braiding materials to form products
Compared to the traditional carrier, the fluctuating value of the tensioning force in the present carrier falls to a ratio of 10.9%, which is obviously smaller than that of the abovementioned article
Summary
Braiding machines are widely used to form textile products, ropes/tubes, and other structural or composite components. The traditional braided fabric consists of yarns. Along with the greater demands in aerospace, vehicle and other industrial engineering applications, new types of braided fabric are needed. Braiding machines are urgently needed to braid carbon fibers, glass fibers, or ceramic fibers for use as braiding materials to form products. These new types of fibers are not braided because their mechanical performance is quite different from that of yarns. Carbon fibers are easy to fluff and fracture, if a traditional braiding machine is used. Braiding machines must be investigated and changed to use these fibers
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