捻系数

捻系数与混纺比对大豆蛋白纤维纱强度的影响

Influence of the twist factor and blended ratio on the soybean protein yarn strength

转杯纱强力与临界捻系数的关系探讨

Analysis on Relationship between Yarn Strength and the Critical Twist Factor of Rotor-spun Yarn

混比与捻系数对Modal纤维纱强度的影响

Influence of the blended ratio and the twist factor on the modal yarn strength

采用4种不同捻系数（280、320、360、400）的PTT短纤纱做为研究对象，对其主要力学性能（强伸性、拉伸回复性以及蠕变性能）进行了研究。

The mechanical properties ( action stretch , elastic recovery and creeping ) of four kinds of PTT staple yarns with twist factor of 280,320,360,400 respectively were studied .

采用SPSS统计分析软件对精梳毛纱的捻系数及颜色亮度值进行分析，建立二者之间的非线性关系；

SPSS ( Statistical Package for the Social Science ) is employed firstly to analyze the relationship between lightness and twist coefficient of worsted yarn , and the non-liner relationship is established between them .

影响空芯纱退维后中空效果的因素有：包芯纱的捻系数，芯纱的含量，选用PVA纤维的品种及包芯纱的包覆效果等。

The factors that affect the hollow result of boiled yarn are the twist multiplier of core yarn , the percentage of the core , the kind of PVA fiber and the core coverage of core-yarn .

针织用亚麻纱捻系数的选择

The Selection of Twist Factor on the Flax Yarn for Knitting

玻璃纤维纱线的最佳强力捻系数研究

A study on optimal twist factor of glass fiber yarn

介绍了选定转杯纺竹节纱捻系数应考虑的因素及开发生产的转杯纺竹节纱产品。

The considerable elements of selecting twister factor and new rotor spinning products are introduced .

应适当提高粗纱捻系数；

Increasing roving twist factor suitably ;

中长涤粘织物纱线捻系数的合理选择

Reasonable Selection of Twist Factor for Yarn and Thread of Medium Staple Polyester / Viscosa Fabric

股线捻系数的理论探讨

Investigation on Twist Factor of Thread

并通过正交试验对后区牵伸倍数、罗拉中心距和粗纱捻系数进行了优选。

Through orthogonal experiment , parameter of back zone draft multiple , roller center distance and roving twist factor are selected .

通过分析比较确定竹粘胶纤维纯纺纱的临界捻系数为374。

By the analysis of the results , the conclusion is drawn that the critical twist factor of the bamboo yarn is 374 .

首先，研究了捻系数、长丝牵伸倍数等工艺参数对转杯纺棉/氨弹力复合纱纱线性能的影响。

First , the effect of the twist multiplier and the draw ratio of filament on the properties of rotor spun composite yarn is analyzed .

同时，由蠕变实验可以看到捻系数的大小对其弹性回复性影响不显著。并引入四元件模型对纱线的蠕变性能进行了模拟，模型拟合的参数与实验结果可以较好地吻合。

The creeping property of the yarn was analogized by a four-element analogous model and the result obtained is coincident with that of the experiment .

分析了转杯速度、牵伸倍数、捻系数对弹性转杯纱性能的影响，并通过正交试验对工艺参数进行了优化。

Three technical parameters , the rotor speed , twist modulus and combing roller speed have great influence on the yarn quality of rotor spinning .

并讨论了棉纱捻系数和化纤卷曲率与成纱直径的关系。

In addition , the relationships are discussed between the twist factors of cotton yarn , the crimp ratios of chemical fibres and the yarn diameters .

粗纱捻系数偏大掌握，张力适中，同时采用大隔距、小牵伸的工艺；

But the twist factor of low count yam should be greater , moderate tension adopt the technics of big-distance little pulling at the same time .

阐述了粗纱工艺参数中定量、粗纱捻系数以及细纱后牵伸的选择。

This article relates how to select fixed-quantity and twist in the technology parameters of roving , and back draft in the technology parameters of spun yarn .

并粗工序优选后区牵伸、罗拉隔距和粗纱捻系数，注重改善纱条均匀度；

In drawing and roving process , draft in back zone , roller gauge and roving twist factor should be optimized , yarn evenness should be improved .

进行了一系列试验来研究氨纶的牵伸倍数和纱线捻系数对包芯纱拉伸性能和弹性的影响。

A series of experiments were carried out to study the influence of elastane drafting ratio and yarn twist factor on tensile properties and elasticity of core-spun yarns .

捻系数不仅是影响纱线结构的最重要的结构因素，而且也影响着织物的视觉颜色。

The twist coefficient is not only the most important factor for the structure of worsted yarn , but also influences the visual color of yarn / fabric .

研究了喂入粗纱间距、捻系数与成纱性能的关系，测试分析了聚丙烯腈预氧化纤维涤纶长丝包芯纱的性能。

Relation among feeding roving gauge , twist factor and yarn property were researched , property of polyacrylonitrile preliminary heat treatment in oxidizing polyester filament core-spun yarn was tested .

二次通用旋转试验结果表明，单纱捻系数和股线捻系数这两个因素对纱线性能的影响比较明显。

Second , second-order regression general rotation test results showed that the single yarn twist factor and the plied yarn twist factor had an obvious effect on the performance of yarn .

采用赛络纺纱方法，通过优化捻系数等纺纱工艺参数，确定了成纱的临界捻度，有效改善了成纱的条干均匀度、强度、毛羽等质量指标。

During the process of spinning , siro spinning was used . Yarn properties including evenness , strength , hairiness were improved greatly by optimizing the manufacturing parameters such as twist factor .

分析结果表明，在选择参数范围内，转杯纺棉/氨弹力复合纱纱线断裂强力与捻系数呈二次关系，而与长丝牵伸倍数呈线性关系；

It is found that the relationship between the yarn tenacity and the twist multiplier is quadratic , while the relationship between the yarn tenacity and the draw ratio of filament is linear .

其中以氨纶丝牵伸倍数对复合纱性能的影响比较大。综合考虑转杯纺棉氨复合纱各项性能，工艺配置以纺杯速度49300r/min、氨纶丝牵伸倍数4.5倍、纱线设计捻系数500为宜。

Through researching each performance of rotor spinning cotton polyurethane complex yarn , configuration of rotor speed 49 300 r / min , polyurethane filament drafting multiple 4.5 , yarn design twist factor 500 is feasible .

最后，纺纱三角区关键工艺参数的正交实验说明锭速、钢丝圈和细纱捻系数组成的纺纱张力配置对纺纱三角区和成纱质量的影响有时要大于偏移量对三角区和纱线质量的影响。

Spinning triangle shows sometimes the effects of key process parameters ( spinning speed , traveler and yarn twist ) which form spinning tension on spinning triangle are greater than the effect of offset on yarn quality .

对两种不同纺纱方法得到的大豆蛋白纤维纱线的临界捻系数进行了测试与分析，并得到了实际测试曲线的回归方程、回归曲线以及回归曲线的极值。

The critical twist factors of two sorts of soybean protein yarn made from different manufacture means are tested and analyzed , the corresponding regression equation , regression curve and the maximum of regression curve are concluded .