纺织学报 ›› 2016, Vol. 37 ›› Issue (05): 42-46.

• 纺织工程 • 上一篇    下一篇

应用经纱分段测试法的织机速度优化

  

  • 收稿日期:2015-02-25 修回日期:2016-02-29 出版日期:2016-05-15 发布日期:2016-05-10

Optimization of loom speed by warp sectionalization test

  • Received:2015-02-25 Revised:2016-02-29 Online:2016-05-15 Published:2016-05-10

摘要:

为探究织造过程中经纱的可织性能变化,将织机上经纱分为后梁至停经片区、停经片至综丝区和综丝至织口区三个区段,分别测试三段经纱的强伸性、耐磨性和毛羽,分析织造过程中织机上各段经纱可织性的变化,并采用以上经纱分段测试法对不同织机速度下的经纱纱线性能进行测试与分析。结果表明:相比后梁至停经片区经纱,停经片至综丝区经纱断裂强度下降小于5 %,耐磨性下降约15 %,毛羽增加约10 %。综丝至织口区经纱断裂强度下降小于5 %,耐磨性下降约25 %,短毛羽增加约15 %,长毛羽增加约5 %。随着织机速度的增大,经纱的各项性能指标呈下降的趋势,且织机速度为750 r/min时,纱线性能下降比较显著。因此,对于该品种织机速度的设定不宜超过700 r/min。

关键词: 经纱, 可织性, 分段测试法, 织机速度

Abstract:

In order to explore the weavability variation of warp yarns in the weaving process, the warp yarns on the loom are divided into three parts: warps from back rest to the dropper, warps from the dropper to the heald, warps from the heald to the cloth-fell. Breaking strength and elongation, abrasive resistance and hairiness of the three parts of warp yarns were tested to explore the weavability variation on the loom in the weaving process. Breaking strength and elongation, abrasive resistance and hairiness under different loom speed were tested and analyzed by above-mentioned warp sectionalization test method.The test results show that compared with the warp yarns from back rest to the dropper, Breaking strength and elongation of warp yarns from the dropper to the heald decreased within 5%, the abrasive resistance of warp yarns from the dropper to the heald decreased by 15% and hairiness of warp yarns from the dropper to the heald increased by 10%. Breaking strength and elongation of warp yarns from the heald to the cloth-fell decreased within 5%, the abrasive resistance of warp yarns from the heald to the cloth-fell decreased by 25% ,short hairiness of warp yarns from the heald to the cloth-fell increased by 15%. and long hairiness of warp yarns from the heald to the cloth-fell increased by 5%.The warp properties are in decrease trend as the increase of loom speed. Moreover, when loom speed is reached to750r/min, warp properties are decreased obviously.So the loom speed for this fabric should not be set larger than 700r/min.

Key words: warp yarn, weavability, sectionalization test, loom speed

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