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Relationship Between AFIS Fiber Characteristics and Yarn Evenness and Imperfections

J.L. Chanselme, E. Hequet and R. Frydrych


 
ABSTRACT

Evenness and number of imperfections are important quality properties of cotton yarn. If fiber characteristics correlated with these properties could be identified early, this would allow breeders to take these into consideration during the very first stages of breeding. In this context, the Advanced Fiber Information System (AFIS) presents two distinct advantages : i) it provides an estimate of fiber maturity and fineness which are often cited as basic factors in yarn properties, and ii) gives distribution characteristics, in particular as concerns length. The study presented here shows that data provided by the AFIS gives a relatively good prediction (r2 between 0.71 and 0.84) of the evenness (CV%), the number of thin places and thick places and the hairiness of ring-spun yarns. Yarn produced by open-end spinning is more even and its properties do not seem to be related to the same fiber characteristics. Therefore, they cannot be evaluated with the same precision.



Reprinted from Proceedings of the 1997 Beltwide Cotton Conferences pp. 512 - 516
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998