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Manufacturing a ring spun slub yarn using multi-channel drafting technique
Journal of Engineered Fibers and Fabrics ( IF 2.2 ) Pub Date : 2020-01-01 , DOI: 10.1177/1558925020958518
Peng Cui 1, 2 , Yuan Xue 1 , Yuexing Liu 2
Affiliation  

In this paper, we propose a novel method for manufacturing a ring-spun slub yarn through multi-channel drafting using a computer numerically controlled (CNC) ring spinning frame. Through controlling the speeds of the feeding rollers, the apron rollers and the spindle, we can manipulate the blending ratio, linear density and twist of the spun yarn online, offering more degrees of freedom to configure fibers in the spun yarn. Furthermore, we develop a digital control system in conjunction with a CNC ring spinning machine, in which each CNC ring spinning machine serves as a drone machine that receives commands from a central computer. A self-developed management platform is designed to help the client manage these drone machines via online regulation. At last, a series of experiments are conducted to examine the impact of manufacturing parameters on the structures and properties of slub yarn. We found that the descriptive parameters that affect the breaking force of the slub yarn samples are the slub length, slub distance, slub multiplier, and roving ratio. The parameters that affect the breaking elongation are obtained as the slub length, slub distance, slub multiplier, and twist coefficient.

中文翻译:

使用多道牵伸技术制造环锭纺竹节纱

在本文中,我们提出了一种使用计算机数控 (CNC) 环锭细纱机通过多通道牵伸制造环锭纺竹节纱的新方法。通过控制喂入罗拉、皮圈罗拉和锭子的速度,我们可以在线控制细纱的混纺比、线密度和捻度,为细纱中的纤维配置提供更大的自由度。此外,我们还开发了与 CNC 环锭细纱机相结合的数字控制系统,其中每台 CNC 环锭细纱机都充当无人机,从中央计算机接收命令。自主研发的管理平台旨在帮助客户通过在线监管来管理这些无人机机器。最后,进行了一系列实验来检验制造参数对竹节纱结构和性能的影响。我们发现影响竹节纱样品断裂力的描述性参数是竹节长度、竹节距离、竹节倍数和粗纱比。获得影响断裂伸长率的参数为竹节长度、竹节距离、竹节乘数和扭曲系数。
更新日期:2020-01-01
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