Abstract

The twisting process of Sirospunning and Ringspunning was compared and analyzed as to the phenomenon that Sirospunning decreases yarn hairiness. It can be obtained from the analysis of geometrical model that more hairiness is twisted into the yarns and the amount of apparent hairiness is reduced through its special twisting. It can be calculated that when the count is equal Sirospunning can reduce the hairiness more than 22% compared with Ringspunning. The key factor the effect of tassel spacing of Sirospunning was studied using geometrical model, and the reason why the increase of tassel spacing could decrease the amount of hairiness was obtained. At last, the result of theoretical analysis was validated through series of experiment.

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