Influence factor on draft force in spinning draft and relation of top apron tension & yarn quality is analyzed.
分析了细纱牵伸过程中影响牵伸力的因素，上胶圈张力状态与成纱质量的关系。
The practice shows that optimizing spinning draft apparatus and configuring spinning processing reasonably can enhance yarn quality.
实践表明，优选新型细纱牵伸器材，合理配置纺纱工艺，有利于成纱质量的稳定提高。
The trial spinning shows that the spinning draft processing of innovated draft set is reasonable, and the innovation enlarge the choice range of spinning processing and enhance yarn quality.
改造后试纺结果表明，仿R2P牵伸形式的细纱牵伸工艺设计合理，扩大了纺纱工艺选择范围，提高了成纱质量。
Use of excessive draft in spinning preparatory and ring frames.
在纺纱预备阶段和纺纱设备使用大的牵伸。
All spinning parameters are computer controlled including draft, count, twist direction, twist level, traverse and spindle speed.
所有纺纱参数由电脑控制，包括：牵伸、数、度方向、度水平、复动程和锭子速度。
The result shows that domestic V type draft set with reasonable spinning processing can improve yarn quality and reduce evenness CV.
采用国产V型牵伸装置，合理配置纺纱工艺，可以改善成纱质量，降低条干CV值。
Property speciality and spinning effect of JF spinning double short apron draft were discussed.
探讨JF型细纱双短胶圈牵伸的性能特点及纺纱效果。
The results show that the maximum porosity of the membrane with distributing uniformly pore diameter are increased with the lowering spinning temperature, and increasing melt draft ratio.
结果表明，聚丙烯熔体的温度较低、所受拉伸比较大，所形成的微孔膜孔径分布均匀、孔隙率较高。
Introduction is made to the patented tow spinning device, which is in conformity with the principle of compact without draft and draft without compact.
介绍了已申请专利的集束纺的结构，指出集束纺结构合理，符合集束不牵伸，牵伸不集束的原则。
In spinning the same yarn, the confused usage of top roller and apron and the correlated draft units in bad condition affect the yarn evenness very much.
在纺制同批纱时，胶辊胶圈混乱使用以及相关牵伸部件状态不良对成纱质量不匀影响较大。
In spinning the same yarn, the confused usage of top roller and apron and the correlated draft units in bad condition affect the yarn evenness very much.
在纺制同批纱时，胶辊胶圈混乱使用以及相关牵伸部件状态不良对成纱质量不匀影响较大。
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