喷丝头

金铂喷丝头中铂的测定

Determination of Platinum in Gold-Platinum Spinning Nozzle

喷丝头组合花板的真空熔炼

Vacuum Melting of Composition Graining Board with Spinning Nozzle

采用一维多取向小角X射线散射研究了聚丙烯腈细流在凝固过程中，凝固浴温度、浓度以及喷丝头拉伸比对初生纤维中微孔结构形态的影响。

The effects of coagulation temperature and concentration and draw down ratio on the microcellular structural morphology of as-spun PAN fiber were studied during coagulation process by small angle X-ray scattering .

在高速纺丝中，控制PTT初生纤维取向结构的关键是喷丝头拉伸比，决定结晶结构的关键是卷绕速度。

Spinneret draft ratio played a crucial role in controlling the orientation structure of as-spun PTT fiber during high-speed spinning .

基于UV-LIGA技术的微孔异形喷丝头制备

Fabrication of profiled microfiber spinneret based on UV-LIGA technology

ECDP熔体喷丝头组件压力降研究

Study on the ECDP Melt Spinnerette Unit Pressure Descension

熔融纺丝成形条件对PET初生丝超分子结构及其力学性能的影响&第2报单丝线密度、喷丝头拉伸比及侧吹风速对PET初生丝结晶作用及力学强度的影响

Effect of formation condition in melt spinning on the supermolecular structure and the mechanical property of pet spun filament pt . ⅱ effect of single filament linear density , spin-draw ratio and lateral blow speed on the crystallization and the M

研究发现：在一定的电压和喷丝头与接收屏的距离（C-D）下，7wt%是具有良好可纺性的临界浓度。

7wt % was a critical concentration of SF solution for better spinnability at a special vol - ( tage ) and distance from the tip of capillary to the collector screen ( C-SD ) .

以再生丝素甲酸溶液为纺丝液，在质量分数为9%时，研究电压、喷丝头到接收屏之间的距离（C-SD）对静电纺丝素纤维微细结构的影响。

Studied the influence of voltage and distance from spinneret to collecting screen on microstructures of electro-spun silk fibroin fiber with regenerated silk fibroin ( SF ) - formic acid as the spinning solution at the concentration of 9 % .

主要改进是在标准静电纺丝机的喷丝头上增加了气流喷射系统。对喷丝头重新设计。

A new spinneret combined a gas jet orifice was designed .

喷丝头是化纤纺织机上的关键部件。

The tantalum spinneret is a key part in chemical fibre silk spinning_machine .

喷丝头冷藏技术在醋酸纤维生产中的应用研究

Application of Refrigerated Spinnerets in Acetate Fiber Production

钽喷丝头电化学处理工艺研究

Development of Electrochemical Process of Tantalum Spinneret

钽喷丝头的熔盐阳极氧化

Anodization of Tantalum Spinneret in Melting Salt

钽喷丝头表面改性技术的研究

Study on surface modification of tantalum spinneret

分析喷丝头拉伸比对纤维的聚集态结构及性能的影响。

And also effect of spinneret draw-ratio on fibre aggregated structure and the properties was discussed .

一般喷丝头细孔的数量决定了纱中长丝的根数。

Usually the number of holes in the spinneret determines the number of filament in the yarn .

工业化试验表明：当喷丝头负拉伸率为-73%时，纤维可纺性达到最佳状态。

The practical experiments showed that fiber spinnability was optimized when spinneret negative draw ratio was - 73 % .

当膜液出喷丝头的剪切速度达到某一极限值时（不同膜液体系，此极限值不同），获得了压密性能优良的聚砜中空纤维超滤膜。

Hollow fiber membranes with excellent compressive strength were obtained when the spinning rate of the dope reached a certain limit .

粘胶化纤喷丝头连接板材料的研制介绍了一种新研制的粘胶铝板复合机的结构特点，研制过程及其功能。

This article tells how to design a new kind of viscose aluminum board compounding machine , its process and functions .

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 effects of draw-down ratio , air-layer length , drawing conditions on the structure and properties of the fiber were discussed .

结果表明：提高喷丝头拉伸比可明显地降低初生纤维的线密度，提高强度；

The results showed that the increase of jet stretch ratio could greatly decrease the linear density of as-spun fiber and improve the strength ;

喷丝头拉伸比为-36.7%-10%时，微孔尺寸和取向角都增大。

Both the microcellular dimension and the orientation angle were increased when the draw down ratio was elevated from - 36.7 % to 10 % .

纺丝液经过滤后，借助于泵的压力穿过喷丝头的细孔。

The concentrated sodium hydroxide is filtered through a pressure filter . The solution is filtered and pumped through the fine holes of a spinneret .

聚甲醛纤维是由高速附近的喷丝头的激光照射加热熔融纺丝获得的，同时变薄的行为进行了检查，在线测量。

Polyoxymethylene fibers were obtained by high-speed melt spinning with laser irradiation heating near the spinneret , meanwhile the thinning behavior was examined by on-line measurement .

长丝的直径还与导丝盘从喷丝头孔引离长丝时的速度有关。

The size of the filament is also controlled by varying the rate at which the filaments are pulled away from the hole by the godet wheel .

近场纺丝中，将喷丝头与收集器间的距离减小到几毫米，从而得到稳定的聚合物射流，以实现有序的微/纳米纤维沉积。

In NFES , the distance between spinneret and collector is decreased to a few millimeters to achieve stable polymer jet , thus enabling orderly deposition of micro / nanofibers .

但当喷丝头拉伸比超过一定值之后，结晶度虽仍在增加，而侧向晶粒尺寸却似乎已达饱和值。

Similar effet is obtained by increasing the spin-draw ratio but when it exceeds a certain value although the crystallinity is still increasing the lateral crystal size seems reach its maxmium .

考查了不同工艺条件（电压大小、溶液流速、喷丝头到接收屏的距离等）、不同添加剂以及添加剂浓度以及不同的后处理方法对纤维形态结构的影响。

Several parameters ( Voltage , Flow rate , Distance , Kinds of additives , Concentration of additives , Post treatment ) which affect on the morphology of the fibers were investigated .

因此，全自动的喷丝头加工方式取代旧的人工操作也是适应现代化纤生产的必然结果。

As a result , the full automatic machining process of spinneret will finally take the place of the old manual work in order to be seasoned with the modern chemical fiber production .