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首页> 外文期刊>The Journal of the Textile Institute >Research on process parameters in a novel drafting system
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Research on process parameters in a novel drafting system

机译：新型制图系统中工艺参数的研究

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To overcome the shortcomings existing in the roller drafting system of air jet spinning, a set of combing roller-drafting system has been introduced to substitute the roller drafting system in air jet spinning. Moreover, a funnel-shaped fibre conveyer, a disc fibre collector and a swirl twister have been designed to accomplish the spinning process, which was named disc swirl spinning. Experimental spinning proves that combing roller drafting device wears little. Its remarkable advantage lies in the high efficiency of drafting. The rotational speed of jet stream in nozzle can be well utilized, which promises a high productivity. The relationship between the drafting process parameters of disc swirl spinning and yarn properties, such as tenacity and peeling-off-resistance, has been investigated and the data suggest that yarn properties keep stable when combing roller speed is 6000-7000 rpm, feeding quantity is 1.695-2 g/min, sliver linear density is 2-2.58 g/m, feeding tension is 0.012 N and the unwinding tension of the core filaments is 0.06 N. Furthermore, the appearance of disc swirl spun yarn is compared with that of air jet spun yarn. The scanning electron microscope (SEM) photos show that yarn structure of disc swirl spun yarn is similar to that of air jet spun yarn. The core is bound by the outer fibres and it is nearly parallel and no twist. However, the outer fibres of disc swirl spun yarn cover yarn body totally, which is different with that of air jet spun yarn.
机译：为了克服喷气纺纱罗拉牵伸系统中存在的缺点，引入了一套精梳罗拉牵伸系统来代替喷气纺纱中的罗拉牵伸系统。此外，已经设计了漏斗形的纤维输送机，盘式纤维收集器和涡旋加捻器以完成纺丝过程，这被称为盘式涡旋纺丝。实验证明，精梳罗拉牵伸装置磨损很小。它的显着优势在于草稿的高效率。喷嘴中的射流的旋转速度可以被很好地利用，这保证了高生产率。研究了盘式涡旋纺丝的牵伸工艺参数与纱线性能（如强度和抗剥离性）之间的关系，数据表明，当精梳罗拉速度为6000-7000 rpm，喂入量为900 rpm时，纱线性能保持稳定1.695-2 g / min，条子线密度为2-2.58 g / m，进给张力为0.012 N，芯丝的退绕张力为0.06N。此外，将盘旋涡流纱的外观与空气进行了比较喷气纺纱。扫描电子显微镜（SEM）照片显示，盘旋涡流纺纱的纱线结构与空气喷射纺纱的结构相似。芯由外部纤维束缚，并且几乎平行并且没有扭曲。但是，盘式涡流纺纱的外纤维完全覆盖纱体，这与喷气纺纱不同。

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