A study of novel multifilament spreading and feeding method, to produce filament wrapped-staple core composite yarn using modified ring frame (original) (raw)

The Journal of The Textile Institute, 2019

Abstract

In the area of filament wrapped-staple core composite yarn production, there are potential challenges in achieving better cover and hairiness among other mechanical properties. In a bid to further improve the wrapped-core yarn production; multifilament web spreading and feeding approaches were studied in relation to yarn properties. Multifilament spreading apparatus designed and used for our previous research work was further improved in order to increase spread width, minimize damage to monofilaments and control the spreading evenness. Uniform and increased multifilament spread width can be achieved by an elliptical shaped micro-grooved roller, overcoming roller surface imperfections, minimizing spreading assembly oscillations, and consequently achieve superior filament wrapping around the staple core. Filament-staple feeding arrangement might positively influence the multifilament wrapping-ability. Scanning electron microscopy was used to study effects of spreading on the surface ...

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