The twist distribution of split-spun yarn

Inthis research,the twist of the split-spun yarn was studied by the principle of the solo-spinning and mechanical theories that have three sections (conjunction points,the fasciculus above this point,and the yarns below conjunction points).The twist of the split-spun yarns,the twist producting and distribution along the split-spun yarns had been analyzed.At last we concluded that there are correlation among the twist of fasciculus,the twist of yarns and the condition of the fasciculus.We also conclude that the twist of the fasciculus is not a fixed value and so on.And,from the analysis of the twist for the conjunction points in the split-spun yarn ,we brought forward the rules of the rate for the fasciculus and the yarn twist.And,it discussed that the correlation between the twist of fasciculus and the fibers'capability.It especially pointed that only when the twist of split-spun yarn are in critical value,the index of yarn will be the best.