Journal of Textile Research ›› 2016, Vol. 37 ›› Issue (05): 32-36.

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Prediction model on twist shrindage of wool yarn

  

  • Received:2015-03-16 Revised:2016-02-15 Online:2016-05-15 Published:2016-05-10

Abstract:

In order to improve the precision of wool yarn specifications and the design efficiency of wool spinning technology, a wool yarn twist shrinkage prediction model was established by theoretical deduce and experimental reasoning. Based on the geometry model of wool yarn cross-section, mathematical equations among twist shrinkage and relative factors were educed step by step. The results show that wool yarn twist shrinkage prediction value can be easily obtained by providing some factors such as wool yarn linear density, yarn twist, fiber mean diameter, and fiber mean specific density. The predicted shrinkage value is used in calculation of yarn linear density, in selection of twist change gears, the deviation ratios of wool yarn linear density and twist were fall within the prescriptive scope of FZ/T22001-2010 “Worsted Woven Wool Yarn”.

Key words: wool yarn, twist shrinkage, prediction model, technology design efficiency

CLC Number: 

  • TS131.9
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