Theoretical study of Solospun yarn torque
International Journal of Clothing Science and Technology
ISSN: 0955-6222
Article publication date: 7 September 2015
Abstract
Purpose
Solospun technology is one of the most important new spinning methods, which is implemented by dividing Ring spinning triangle into several small primary triangles and one final triangle by a Solospun roller. That is, there are two parts of spinning triangle in the Solospun technology, including primary triangles part and final triangle part. In the general case, the primary triangles are much smaller than final triangle. Therefore, the purpose of this paper is to present theoretical study of Solospun yarn torqueby linking the fiber tension in the spinning triangle to yarn torque under the assumption that the primary triangles and the primary twist are ignored.
Design/methodology/approach
The theoretical model of the residual torque within Solospun yarn due to the fiber tension was given. Then, as an application of the proposed method, 14.6 tex cotton yarns were taken as an example for the numerical simulations. The fiber tension in the Solospun spinning triangles and corresponding yarn torque were simulated numerically by using Matlab software. The relationships between yarn torque and spinning triangle parameters are analyzed according to the simulation results. Furthermore, the properties of spun yarns produced by the Solospun and Ring spinning system are evaluated and analyzed by using the simulation results.
Findings
It is shown that comparing with the Ring spun yarn, Solospun yarn torque is a little larger. Meanwhile, with an increase of substrand number, the fluctuation of curve of average fiber tension in Solospun system is increased firstly, and then decreased, i.e. showing parabola shape, potentially leading to corresponding change of yarn torque.
Originality/value
In this paper, theoretical study of Solospun yarn torque is presented by linking the fiber tension in the spinning triangle to yarn torque under the assumption that the primary triangles and the primary twist are ignored. The theoretical model of the residual torque within Solospun yarn due to the fiber tension was given.
Keywords
Acknowledgements
This work was supported by the National Natural Science Foundation of PR China under Grant No. 11102072, the Natural Science Foundation of Jiangsu Province under Grant No. BK2012254, Prospective Industry-University-Research Project of Jiangsu Province under Grant No. BY2014023-13, the Fundamental Research Funds for the Central Universities (No. JUSRP51301A).
Citation
Liu, X. and Su, X. (2015), "Theoretical study of Solospun yarn torque", International Journal of Clothing Science and Technology, Vol. 27 No. 5, pp. 628-639. https://doi.org/10.1108/IJCST-04-2014-0050
Publisher
:Emerald Group Publishing Limited
Copyright © 2015, Emerald Group Publishing Limited