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Effects of the Horizontal offset of the Ring Spinning Triangle on Yarn

机译:环锭纺三角的水平偏移对纱线的影响

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摘要

Trójk?t prz?d?cy jest istotnym parametrem w procesie prz?dzenia. Jego geometria wp?ywa na rozk?ad napr??eń w?ókien w trójk?cie prz?d?cym, co oddzia?uje na w?a?ciwo?ci prz?dzy. Dlatego w ostatnich latach du?ym zainteresowaniem ciesz? si? badania nad wp?ywem geometrii trójk?ta prz?d?cego w celu uzyskania mo?liwie najwy?szej jako?ci. Konfiguracja geometryczna, w tym poziome przesuni?cie trójk?ta prz?d?cego odgrywaj? coraz wi?ksz? rol? w analizach procesu prz?dzenia obr?czkowego. Autorzy przedstawili teoretyczny model rozk?adów napr??eń w?ókien w trójk?cie prz?d?cym i przeanalizowali teoretyczne zale?no?ci pomi?dzy napr??eniem w?ókien a ustawieniem trójk?ta prz?d?cego. Przeprowadzono symulacj? numeryczn? i na jej podstawie wyci?gni?to wnioski dotycz?ce jako?ci produkowanej prz?dzy.%The spinning triangle is a critical region in the spinning process of yarn. Its geometry influences the distribution of fibre tension in the spinning triangle and, thus, affects the properties of spun yarns. Therefore, taking appropriate measures to influence the spinning triangle geometry and thus improve the quality of yarn has attracted great interesting in recent years. During the geometry parameters, the horizontal offset of the twisting point to the symmetric axis of the nip line of the spinning triangle d has attracted more and more attention and is considered as one of the most critical factors influencing the quality of yarn. Therefore, in this paper, the effects of the horizontal offset d of the ring spinning triangle on yarn qualities is investigated. Firstly a theoretical model of the fibre tension distributions in the spinning triangle is given. Relationships between the fibre tension and horizontal offset of the spinning triangle are analysed theoretically. Secondly, as an application of the model proposed, the spinning triangles of a modified ring spinning system with a pair of offset devices which can change the horizontal offset 'd'continuously are studied. The distributions of fibre tension in the spinning triangle are simulated numerically, with the horizontal offset varying continuously. Furthermore the properties of spun yarns produced by the modified system are evaluated and analysed by using the simulation results.
机译:旋转三角形是旋转过程中的重要参数。它的几何形状影响纺纱三角形中纤维中应力的分布,从而影响纱线的性能。因此,近年来您一直很感兴趣?姐姐研究旋转三角形的几何形状的影响以获得最高的质量。几何配置,包括旋转三角形游隙的水平移动越来越多角色?在分析环锭纺过程中。作者提出了纺丝三角形中纤维应力分布的理论模型,并分析了纤维应力与三角形设置之间的理论关系。说谎。模拟进行数字?在此基础上,得出了有关纱线质量的结论,三角纺纱是纱线纺纱过程中的关键区域。它的几何形状影响纺丝三角中纤维张力的分布,因此影响短纤纱的性能。因此,近年来,采取适当的措施来影响纺纱三角形的几何形状并由此提高纱线质量引起了极大的兴趣。在几何参数期间,加捻点相对于纺纱三角形d的咬合线的对称轴的水平偏移已引起越来越多的关注,并被认为是影响纱线质量的最关键因素之一。因此,本文研究了环锭纺三角的水平偏移d对纱线质量的影响。首先给出了纺丝三角中纤维张力分布的理论模型。从理论上分析了纤维张力与纺丝三角的水平偏移之间的关系。其次,作为提出的模型的应用,研究了具有一对可以连续改变水平偏移量“ d”的偏移装置的改进的环锭细纱系统的旋转三角。数值模拟了纺纱三角形中纤维张力的分布,其中水平偏移连续变化。此外,使用仿真结果评估和分析了由改进系统生产的细纱的性能。

著录项

  • 来源
    《Fibres & textiles in Eastern Europe》 |2013年第1期|35-404|共7页
  • 作者单位

    School of Textile and Clothing, Jiangnan University, Wuxi 214122, P. R.China Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi 214122, P. R.China;

    School of Textile and Clothing, Jiangnan University, Wuxi 214122, P. R.China Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi 214122, P. R.China;

    School of Textile and Clothing, Jiangnan University, Wuxi 214122, P. R.China Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi 214122, P. R.China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    spinning triangle; fibre tension distributions; horizontal offset; yarn;

    机译:旋转三角形纤维张力分布;水平偏移;纱;

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