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The yarns in the 3D six-direction braided preforms were analyzed in this paper by a volume-control method, through of the rule of the braiding, and the result was validated by experimental observation.

从三维六向编织预成型件的编织规律入手,采用控制体积单元法分析了预成型件中纱线的运动轨迹,并通过实验观察进行了验证。

Through analyzing the same fabric weaves with various types of yarns and the same fabric weaves with the same types of yarns to pass through a certain dent during weaving,it solved some quality problem.

文章针对产品设计中存在的缺陷,采用调整钢筘筘号、改变入筘数以及穿综顺序等方法,解决了在织造时相同组织、不同类型的纱线进入同一筘齿以及相同组织、同一类型的纱线进入同一筘齿产生的质量问题,使得产品质量和织机效率达到了预期效果。

This paper presents an approximate theoretical analysis of the tension increase in the non flexible fibres and yarns passing around a peg,through which a modified Capstan equation is obtained.

分析了非柔性纤维和纱线绕过圆柱体表面时张力增大的规律，并获得了改进的Ｃａｐｓｔａｎ公式。

Case study of how chinese yarn manufacturers to improve international competitiveness;

中国纱线制造企业提升国际竞争力的实例分析

Measurement of decreasing cotton yarn hairiness;

减少纯棉纱线毛羽的技术措施

Feasibility to display unevenness of the yarn long section by use of relative linear density;

引用相对线密度CV_b表征纱线长片段不匀的可行性

In the process of yarnspinning,the rotating airflow inside the swirler can exert an effect on the twisting formation of yarn,thus improving the quality of yarn.

在环锭纺细纱机上安装旋流器,利用旋流器内部的旋转气流对纱线的加捻成形过程产生影响,以达到提高纱线质量的目的。

Application of modular communication of line measure equipment of yarn quality;

纱线质量在线检测中模块通信的应用

Forecasting Yarn Quality Using Artificial Neural Network and AFIS;

利用神经网络与AFIS纤维测试系统预测纱线质量

Aiming at the fact that the current yarn quality prediction model for optimizing the spinning process could not meet the needs of practical production,support vector machine(SVM) method for yarn quality prediction was proposed.

针对现有的优化纺纱工艺过程质量预测模型尚无法满足实际生产需要的问题,提出了纱线质量预测的支持向量机方法,并利用网格搜索对该模型的参数进行优化。

Conclusion is made that new spinning technology should be based on hi-velocity,hi-robotization,hi-automation,large package,wide application of raw material,seperation of twisting from winding,minimization of twisting trangle section,improvement of yarn structure,reduction of hairiness.

针对环锭细纱机存在的产量低、加捻三角区中纤维受力不均、形成飞花与纱线毛羽等问题,介绍了新型纺纱技术和新型环锭纺纱技术的现状,说明新型纺纱技术应向高速、高智能、高自动化、大卷装、扩大原料使用范围、纱线加捻与卷绕分开、尽可能减小加捻三角区、改善纱线结构、减少毛羽的方向发展,提出各种纺纱技术将并存发展,紧密纺纱技术是环锭纺纱技术的发展方向。

Contrast analysis is done to the domestic cotton spinning frame equipped with the self-developed centralizing device with double suction grooves for the cotton yarn of same fineness regarding yarn structure and property of yarn produced in compact-siro spinning process under the same condition.

介绍了紧密赛络纺技术的原理及其特点,用自行研制的具有不同吸风双槽的紧密赛络纺集聚装置应用于国产棉纺细纱机,分别纺制相同细度的棉纱,并与相同工艺条件下的紧密纺和赛络纺纱线进行纱线结构与性能的比较分析。

However, the researching work on the spinning mechanism of compact spinning technology and its yarn structure is very little for its short developing history.

但由于集聚纺技术的发展历史较短,对其成纱机理和纱线结构方面的研究工作还很少。