drafting dynamics

Friction Field Analyses and Processing Configuration Test of Spinning Draft;

细纱牵伸摩擦力界分析及工艺配置试验

Development of Draft Processing of Cotton Spinning(The First Part);

棉纺细纱大牵伸工艺的演变与发展(上)

Development of Draft Processing of Cotton Spinning(The Last Part);

棉纺细纱大牵伸工艺的演变与发展(下)

A primary analysis of the third generation of long drafting technology of spinning frame;

细纱机第三代大牵伸工艺机理浅析

Study and practice of spinning drafting and its upper spring pin of the pressure bar;

细纱牵伸及压力棒弹性上销的探讨和实践

Reformation of Domestic Spinning Frame Drafting Weighting and Drafting Processing Disposing;

国产细纱机牵伸加压改造及牵伸工艺配置

Polyblend fibers from liquid crystal polymers and polypropylene Ⅱ:drawing behavior of the polyblend fibers;

液晶高分子和聚丙烯的共混纤维(Ⅱ):纤维的牵伸性能

As to the curvilinear drafting form in two areas with the attached quaternion-up and quaternion-down guiding rollers and weight bars on the most conventional domestic drawing frame,detailed introduction is made to the performance of the weight bars of the drawing frame and the position of the weight bar is optimizaed.

针对大多数国产高速并条机牵伸装置采用四上四下附加导向辊、压力棒的双区曲线牵伸形式,详细分析了并条机压力棒的作用,指出了生产中并条机压力棒的最佳位置点,并用试验数据说明了纺制不同品种时,并条机压力棒位置不同可造成成纱质量的差异,应加强工艺试验研究,杜绝纤维变速点后移和分散。

LDPE/PA6 in-situ fibrillation composite fibers were prepared via different drawing rate.

本文采用低密度聚乙烯/尼龙6(LDPE/PA6)体系在不同牵伸速率条件下制备原位复合丝条,讨论了牵伸速率对丝条体系的结晶行为和微纤形态、分布的影响;分析了微纤结构对丝条体系粘流行为和拉伸性能的影响,同时对比了热压工艺、注射工艺对体系粘流行为和拉伸性能的影响。