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Comparative Analysis of Fancy Yarns Produced on a Ring Twisting System

Research and development

Author:

• Grabowska Katarzyna Ewa
  Institute of Architecture of Textile, Technical University of Lodz, Łódź, Poland

Full text

Abstract: In this article, the shape coefficient of yarn was used as a tool for classifying fancy yarns. On the basis of experiments conducted in this research, characteristic values of the shape coefficient for different yarn structures have been established. The same research material and twist were used in the experiments. Changes were made to preliminary tensions of component yarns in the twist zone and to the overfeed of the effect yarn. The fancy yarns analysed were compared in terms of their ability to carry tensile stresses. It was demonstrated that spiral yarn had the best strength parameters of the group of yarns under analysis, while the strength of loop yarn, which is produced in a two-stage process of twisting three identical component yarns, is even lower than that of a single yarn. The results of the experiments conducted by the author have specific practical implications for the industry and for the process of designing and producing fancy yarns.

Tags: fancy yarns, shape coefficient, strength, elongation

Citation: Grabowska K. E.; Comparative Analysis of Fancy Yarns Produced on a Ring Twisting System. FIBRES & TEXTILES in Eastern Europe 2010, Vol. 18, No. 1 (78) pp. 36-40.

Published in issue no 1 (78) / 2010, pages 36–40.