PET POY with different linear density and orientation can be produced with the same spinneret. 利用具有不同孔径的同一喷丝板生产不同线密度和取向度的涤纶POY。
The concentrated sodium hydroxide is filtered through a pressure filter. The solution is filtered and pumped through the fine holes of a spinneret. 纺丝液经过滤后,借助于泵的压力穿过喷丝头的细孔。
Study on flat fiber formation ⅱ. Spinneret design and development of flat PET fiber 扁平纤维纺丝成形研究Ⅱ.扁平PET纤维喷丝板的设计及产品开发
The die-swell mechanism of polycarbasilane ( PCS) melt for a spinneret with Y-shaped orifice and the effect of die swelling of PCS on the profile degree ( PD) of Y-shaped SiC were investigated. 研究了聚碳矽烷(PCS)熔体在Y型喷丝孔中的挤出胀大机理、膨胀模型以及膨胀比对Y型碳化矽纤维异形度的影响。
While increasing the diameter of spinneret hole, the filament diameter of PET POY was increased, both the orientation and the birefringence of PET filament were decreased. 随着喷丝孔孔径的增大,涤纶POY单丝直径增大,单丝的取向度降低,双折射率减小。
Many tiny tubes connect each silk gland with a spinneret. 许多极细小的导管把每个造丝腺体与吐丝器相连。
The experimental process and results verify the spinneret and spinning pack design is reasonable. 根据实验过程和结果,验证喷丝板和纺丝组件设计的合理性。
The making of same spinneret differential linear density and differential shrinkage filaments is of great value to the wool-like researches of man-made filaments. 在化纤长丝短纤维化的研究工作中,同板异纤度异收缩丝的制取具有重要意义。
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. 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。
An automatic inspection system was presented according to the characteristics of the circular spinneret. 根据圆形喷丝板的特点,设计了喷丝板自动检测系统。
The tantalum spinneret is a key part in chemical fibre silk spinning_machine. 喷丝头是化纤纺织机上的关键部件。
Fabrication of profiled microfiber spinneret based on UV-LIGA technology 基于UV-LIGA技术的微孔异形喷丝头制备
Usually the number of holes in the spinneret determines the number of filament in the yarn. 一般喷丝头细孔的数量决定了纱中长丝的根数。
Meltblown law, such as bonded non-woven fabric with spinneret spinning; 熔喷法、纺粘法等各种非织造布纺丝用喷丝板;
The effect of spinneret hole diameter on the filament diameter and birefringence of PET POY was studied by using the same spinneret. 研究了同一喷丝板上不同喷丝孔直径对涤纶POY单丝直径与双折射率的影响。
The main factors affecting the formation of high-speed spun hollow PET filament were studied from the aspects of special spinneret design and spinning process. The principle of spinneret design was discussed. 通过对特殊喷丝板的设计和纺丝工艺的探讨,研究了影响高速纺涤纶中空长丝成形的主要因素,讨论了喷丝板的设计原则。
Shine and flat polyester staple fiber was produced by using profiled spinneret and special spinning and drawing process. 通过异形喷丝板的设计及特殊纺丝和后拉伸工艺生产了闪光扁平涤纶短纤维。
A spinneret is the critical part which influences the yarn formation directly. 化纤喷丝板是直接影响纺丝成型的关键零件。
In this article, the design of "-" spinneret of Polyester FDY was introduced. The effect of spinning temperature, spinning speed and quench process to the flat target of the filament were discussed. 介绍了涤纶FDY扁平丝-型喷丝板的工艺设计,主要讨论了纺丝温度、纺丝速度、侧吹风等工艺对纤维扁平度指标影响。
Spinneret draft ratio played a crucial role in controlling the orientation structure of as-spun PTT fiber during high-speed spinning. 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。
The effects of spinning dope temperature, coagulation bath condition, negative stretch ratio of spinneret, total shrinkage, total draw ratio and spinning velocity on acrylic fiber quality and production stability were discussed. 讨论了纺丝原液温度、凝固浴条件、喷丝板负拉伸率、总收缩率、总拉伸倍数、纺丝速度对细旦腈纶质量和生产稳定性的影响。
The super high-speed spinning production processes, specially the spinning process, are introduced in this paper. It is pointed out that the spinning temperature and speed, spinneret designing as well as the collecting position setting are the keys of spinning process. 本文对超高速纺工艺,特别是纺丝工艺作了介绍,指出纺丝温度和速度、喷丝板设计及集束位置的设定是纺丝工艺的关键。
The technological development on hygroscopic and dry FDY is discussed. The special spinneret and Spin-draw process is designed, the factor of the influences to FDY profiled degree in the production process is analyzed. 对制备吸湿干爽FDY长丝所用喷丝板进行了特殊设计,对纺丝工艺进行了较深入的探讨,分析了生产过程中影响FDY异形度的主要因素。
A new spinneret combined a gas jet orifice was designed. 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。
The dimension of shaped spinneret was designed and calculated by equivalent diameter analysis. 采用当量直径法对异形喷丝板的尺寸进行设计、计算。
The practical experiments showed that fiber spinnability was optimized when spinneret negative draw ratio was-73%. 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。
As the distance from the spinneret increases, T decreases and approaches to the room temperature quickly. 随着与喷丝板距离的加大,T*迅速下降并趋近于室温,即相当于吸进冷风。
The structures and properties of the blended yarn made by one spinneret are studied. 研究了同板多异涤纶混纤纱的结构和性能。
And also effect of spinneret draw-ratio on fibre aggregated structure and the properties was discussed. 分析喷丝头拉伸比对纤维的聚集态结构及性能的影响。