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Theoretical Study of the Effects  of the General Division of a Ring Spinning Triangle on Fibre Tension

Research and development

Authors:

  • Su Xuzhong
    School of Textile & Clothing, Jiangnan University, WuXi, P. R. China
  • Su Xuzhong
    Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, WuXi, P. R. China
  • Gao Weidong
    School of Textile & Clothing, Jiangnan University, WuXi, P. R. China
  • Gao Weidong
    Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, WuXi, P. R. China
  • Liu Xinjin
    School of Textile & Clothing, Jiangnan University, WuXi, P. R. China
  • Liu Xinjin
    Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, WuXi, P. R. China
  • Liu Xinjin
    Jiangsu Susi Silk Limited Company, Suqian, P. R. China
  • Xie Chunping
    School of Textile & Clothing, Jiangnan University, WuXi, P. R. China
  • Xie Chunping
    Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, WuXi, P. R. China
  • Xu Bojun
    School of Textile & Clothing, Jiangnan University, WuXi, P. R. China
  • Xu Bojun
    Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, WuXi, P. R. China

Nr DOI: 10.5604/12303666.1191425

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Abstract:

The geometry of a spinning triangle influences the distribution of fibre tension in it and affects the qualities of spun yarns. Spinning triangle division is one of the most effective measures and fruitful results have been achieved, such as Solospun technology. Therefore a theoretical study of the effects of general ring spinning triangle division on fibre tension is presented in this paper. The general case that the spinning triangle is divided into m parts including m - 1 parts of the primary triangle and one final triangle is investigated and two series of parameters: division proportions b i and triangle number at each part ni are introduced for i = 1, 2, ..., m - 1. Firstly a theoretical model of the fibre tension distributions at the front roller nip is given by using the principle of minimum potential energy. Secondly  numerical simulations of fibre tension distributions in the spinning triangle with different division proportions b 1, b 2 and different numbers of primary triangles n1, n2 where m = 3 are presented. It is shown that the demarcation of fibre tension between any two adjacent primary triangles in the first part is decreased with an increasein b 1 or b 2 for the fixed n1 and n2. Meanwhile, for the fixed b 1 and b 2, the total magnitude of fibre tension is increased greatly with an decrease in n1, whereas it rises slightly with an increase in n2. Finally the effects of spinning triangle division on yarn qualities are analysed according to the numerical simulations and previous results.

Tags:

general division of spinning triangles, fibre tension, ring spinning.

Citation:

Su X, Gao W, Liu X, Xie C, Xu B. Theoretical Study of the Effects of the General Division of a Ring Spinning Triangle on Fibre Tension. FIBRES & TEXTILES in Eastern Europe   2016; 24, 2(116): 37-43. DOI: 10.5604/12303666.1191425

Published in issue no 2 (116) / 2016, pages 37–43.

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