Abstract
A special hairiness-reducing nozzle was attached on a winding machine. The design and attachment of the nozzle should not change the yarn twist and strength. The hairiness-reducing mechanism of the nozzle was analysed, which utilised an air-jet to produce the rotating air stream to perform false twisting, detwisting and wrapping of the yarn so as to wrap the hairiness onto or twist it into the main yarn body, thus reducing the yarn hairiness. The position and method for attaching the nozzle were introduced. The hairiness index, hairiness appearance, twist and strength of the yarn, which was produced by the winding machine attached with the nozzle were examined. The results indicated that the processed yarns have their hairiness index lowered, hairiness appearance improved, and the twist and strength remained unchanged, which verified the hairiness-reducing effect of the nozzle. Fabric pilling property and surface features were measured for fabrics in which the filling yarns were through the winding machine with the nozzle. The results showed that the fabrics had less pilling and a smoother surface.
Published Version
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