A certain degree of free fibrillar structure was observed on the fiber surface due to the sheath structure of the fiber subjected to the greater drawing and orientation.
纺丝过程中纤维皮层结构受到更大的拉伸取向作用,并在纤维表面出现一定游离原纤化结构。
The conversion of nylon chips into fiber comprises two distinct processes: spinning and drawing.
从尼龙切片到纤维的转化包括两个不同的过程:纺丝和牵伸。
The test results showed that the influence of drawing ratio, speed and temperature on the tension, tension fluctuation and irregularity of the fiber were obvious.
结果表明,拉伸比、拉伸速度和拉伸温度对纤维张力、张力波动和不匀率均存在着明显的影响。
The fairly good structure of PGA fiber can be obtained at low spinning velocity and high after-drawing ratio.
采用低速纺丝高倍后拉伸的工艺路线可以得到具有较好结构的PGA纤维。
The influences of viscosity, spinning temperature, quenching air, after drawing ratio, crimp, shrink setting of two components on fiber properties were discussed in detail.
讨论了两种切片的特性粘数、纺丝温度、侧吹风、后拉伸倍数、松弛定型等工艺对纤维性能的影响。
The effect of cold drawing on aggregation structure of PET fiber and the rebounding performance of PET fibers were studied, and the elasticity recovering mechanism of PTT fiber was discussed.
研究了冷拉伸对聚酯纤维聚集态结构、聚酯纤维回弹性能的影响,并讨论了PTT纤维的弹性回复机理。
Infrared spectrum drawing of invert gene color cotton is similar to that of gray cotton fiber, it shows that color cotton and gray cotton has same chemical component and molecular configuration.
转基因彩色棉纤维的红外光谱图与本白棉纤维的红外光谱图基本相同,说明彩色棉与本白棉都具有相同的化学组成和分子构型。
Otherwise, it also has some advantages in the aspects of fiber drawing technique, fiber strength and fiber splicing.
另外,该结构高双折射光子晶体光纤在拉制工艺、光纤强度以及光纤熔接等方面也具有一定的优势。
Inereaseing the running time and reducing the stopping number of the drawing machine could improve the crimpability of PAN stable fiber.
提高牵伸机运行时间,降低停车次数,可提高腈纶短纤维卷曲稳定性。
The major factors to affect curing degree of optical fiber coating at high drawing speed based on the existing drawing tower.
主要讲述了拉丝塔提高光纤拉丝速度过程中,影响光纤表面涂层固化度的几个因素。
The tension fluctuation and irregularity of fiber decreases with the increase of drawing ratio, speed and temperature.
增大拉伸比、拉伸速度和拉伸温度能有效地减小张力波动和不匀率。
The prepared Type HT-6 high tenacity polyester fiber finish is proved to be satisfactory to the process of spinning and drawing of high tenacity polyester fiber in practice.
研制成的HT - 6型高强涤纶纺丝油剂,经应用证实能满足高强涤纶纤维纺丝和拉伸工艺的要求。
The effect of die design on coating concentricity of optical fiber at high drawing speed is investigated.
研究了在高速拉丝条件下涂覆模具的设计对光纤涂层同心度的影响。
The effect of drawing process on the structure and properties of high-strength PVA fiber was discussed.
探讨了拉伸工艺对高强PVA纤维结构和性能的影响。
The geometric parameter change of optical fiber at different drawing speed is analyzed.
分析了在不同拉丝速度下,光纤几何参数的变化。
In this paper, the causes of size migration and its effects on chopped strand MATS are analyzed from aspects of raw material selection, fiber drawing process and fiber drying process.
本文从浸润剂原材料的选择、拉丝工艺和烘干工艺三方面分析了浸润剂迁移现象产生的原因及其对短切毡的影响。
This paper discusses the design and realization of self-tuning control system for an optical fiber drawing process.
本文讨论光导纤维拉丝过程自校正控制系统的设计与实现。
For the process of the fiber taper drawing, the pre-heating time and stretching speed are carefully examined for parameter optimization.
在加热拉伸过程工艺方面,本文从预加热时间和拉伸速度两个角度进行研究,对参数进行优化处理。
A kind of high strength and high modulus fiber was prepared by melt spinning and drawing of high molecular weight polyethylene (HMWPE) plasticized by wax.
采用石蜡增塑高相对分子质量PE后纺丝并经高倍拉伸制备高强高模纤维。
The reform of partially Pt-substituted bushing furnace is an important measure to improve the quality of glass melt and the fiber drawing process.
对于不具备制球条件的玻纤企业,代铂炉型的改进是改善玻璃液质量,提高拉丝作业水平的重要措施。
The effects of draw-down ratio, air-layer length, drawing conditions on the structure and properties of the fiber were discussed.
探讨了喷丝头拉伸比,空气层长度,拉伸条件对纤维结构性能的影响。
The paper studied difference of mechanical properties between single fiber drawing and multifil drawing of PET filament.
本文比较了涤纶长丝的单丝拉伸与复丝拉伸的断裂强度、断裂伸长及分布和初始模量。
In this paper, the transmitting characteristic of multimode fiber is improved by introducing the periodic scramble during the fiber's drawing process.
介绍了通过在多模光纤中引入周期性的扰动以改善多模光纤的传输特性。
Moreover, the NH4HF2 content in the batch, the temperature distribution in the fiber-drawing furnace, and fiber drawing technology also have influence on the scattering loss of the fiber.
配合料中引入适量NH_4HF_2,选用温度结构合理的拉丝炉及拉丝工艺也有助于降低光纤的损耗。
The proper control of the drawing tension and humidity can increase the fiber mechanical properties.
而适当控制牵伸过程中的张力和湿度的大小,可以提高纤维的力学性能。
In order to improve performances of the optical fiber, thorough research about the optical fiber drawing technology and theory has been made by many national and international experts.
为了不断提高光纤的各项性能,国内外对光纤拉丝工艺和拉丝理论进行了深入研究。
High shrinkage PET staple fiber is mainly made by the adoption of low temperature drawing, suitable reduction of draw ratio and non-setting process.
涤纶高收缩短纤维的制取,主要采用低温拉伸、适当降低拉伸倍率以及不定型工艺。
The effects of grey yarn pre-orientation degree, drawing temperature and drawing speed on the strength variable coefficient of polyester staple fiber are studied.
探讨了原丝预取向度、拉伸温度以及拉伸速度对涤纶短纤维强度变异系数的影响。
The differences on drying, spinning, winding and parallel drawing between PTT fiber and PET fiber were pointed out. The production process of PTT DT was discussed.
着重指出了ptt纤维生产在干燥、纺丝、卷绕、平行拉伸上和PET纤维的不同,并结合实例对POY—DT工艺的要求作了探讨。
The design and manufacture of spiral wire traverses and the effects of fiber drawing geometry on strand traversing are described. Several types of traverses in common use are introduced.
阐述螺旋钢丝排线器的设计、制作、成型,以及拉丝工艺布置对钢丝排线的影响,介绍几种常见的钢丝排线器。
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