Keyi Wang, Zhihong Hua, Wenliang Xue and Longdi Cheng
In this paper we propose a novel spinning named semi-openend ring spinning. To discuss the theory, an infinitesimal cylinderchained fiber model is established, the differential Equations of the infinitesimal cylinder at different moment are established and revolved by Runge-Kutta integration. The trajectory of a fiber in vortex is simulated by a self-designed MATLAB procedure. The computation results coincide well with the experimental results. When the fiber bundle passing by the front nip is affected by the vortex and resulted into a partially strengthened and wrapped structure, it could be subsequently twisted with less twists by traveler and ring, thus the productivity could be potentially increased.
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