Journal
TEXTILE RESEARCH JOURNAL
Volume 93, Issue 5-6, Pages 1445-1455Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/00405175221130513
Keywords
Slub yarn; slub strand; spring-damper-mass model; twisting distribution; finite element simulation
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This paper proposes a simulation method for the fiber arrangement in slub yarn and uses the finite element method to simulate the twist distribution of slub yarn, which is consistent with actual spinning results. The research is significant for further exploration of the properties of slub yarn.
Slub yarn is a popular yarn because of its distinctive appearance. In this paper, the simulation of the fiber arrangement in the slub strand is proposed. After twisting, the slub strand is converted into slub yarn. A cylinder with a large length-diameter ratio is used to simulate the fiber, and the random arrangement of the fibers forms the slub strand. Spring-damper-mass models are established to prevent cross-embedding among fibers and gather fibers along the slub strand axis. The slub strand is twisted by the roller-collet twisting model in ABAQUS software. By comparing the twisting effect, it can be seen that the twist distribution of the slub yarn simulated by the finite element method is consistent with the real slub yarn spun on a ring-spinning frame. The work can predict the twist change of slub yarn by the established model. The established model provides the basis for future research work on the properties of slub yarn.
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