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The Influence of a Two-card Unit and Threecard Unit on the Irregularity of Wool Yarn

Research and development

Author:

  • Jonaitienė Vaida
    Department of Textile Technology, Faculty of Design and Technologies, Kaunas University of Technology, Kaunas, Lithuania

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Abstract:

The goal of this research work was an exhaustive analysis of the influence of carding units (double and triple ones) on the quality of wool yarn. Certain factors that greatly influence the inequality of woolen yarn were analysed. A description of measurement methods used for the determination of the inequality of linear density are presented in this article. The technological parameters of double and triple carded units, as well as their influence on the production of woollen yarns is discussed. For measurement of differences in the inequalities of yarns of the same linear density but produced form different carding units an Uster testing set was used. The influence of three carding units of different technological parameters on the formation of periodic irregularity in the yarn linear density was exhaustively analysed.

Tags: three card unit, two card unit, yarn quality, irregularity.

Citation: Jonaitiene V.; The Influence of a Two-card Unit and Three-card Unit on the Irregularity of Wool Yarn. FIBRES & TEXTILES in Eastern Europe 2009, Vol. 17, No. 5 (76) pp. 31-34.

Published in issue no 5 (76) / 2009, pages 31–34.

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