纺织学报 ›› 2016, Vol. 37 ›› Issue (10): 19-25.

• 纺织工程 • 上一篇    下一篇

导纱钩运动引起的纺纱三角区变化对成纱性能的影响

  

  • 收稿日期:2015-09-24 修回日期:2016-06-23 出版日期:2016-10-15 发布日期:2016-10-31

Influence of spinning triangle zone change with yarn guider movement on yarn properties

  • Received:2015-09-24 Revised:2016-06-23 Online:2016-10-15 Published:2016-10-31

摘要:

为探索导纱钩运动特征与环锭纺纱品质之间的关系,建立了整管纱线环锭纺制过程中的导纱钩运动模型,基于此运动模型,分析环锭纺纱成纱区内须条与前罗拉包围弧长度变化的特征,探索纺纱三角区几何面积变化规律,推测纺纱三角区变化对成纱性能的影响。理论分析结果表明:导纱钩周期性的升降运动使得纺纱三角区面积产生对应的减增变化,直接影响成纱毛羽。结果显示:同一卷装位置对应的纺纱三角区面积减小时,纤维受到的控制力更大,成纱毛羽相应降低;整管纱线的毛羽性能受三角区面积变化与气圈大小等多种因素共同影响。

关键词: 数学模拟, 包围弧, 纺纱加捻三角区, 毛羽, 条干不匀

Abstract:

To exploer the relationship batween the feature of spinning guider' s movement and the qualities of ring spun yarn, a yarn gueder movement model was developed during the whole ring bobbin yarn package formation process, and arc length change was analyzed for the staple strand wrapping on the front roller within yarn formation zone. Then, the spinning triangle geometric square variations were investigated with the forementioned arc length change, and influence of above variations on spun yarn properties were also predicted, theoretically. Theoretical analysis indicated that spinning guide going up and down periodically led to the corresponding changes of decreasing and increasing geometric square of spinning triangle zone, influencing yarn hairiness directly. Experiments were also carried out to confirm theory above. Experimental results showed that yarn hairiness decreased as the responding decreasing geometric square of spinning triangle zone in the same position of packaging; the properties of whole bobbin yarn’s hairiness was influenced by spinning triangle’s changes, the size of yarn loop and so on.

Key words: mathematic simulation wrapping arc, spinning triangle zone, hairiness, irregularity

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