集体换粗纱法的应用分析

探讨实行集体换粗纱的必要性.分析了传统换粗纱方法存在的缺陷及实行集体换粗纱的诸多好处及所存在缺点的解决途径.认为:集体换粗纱具有减少空粗纱断头,降低粗经、粗纬、竹节纱疵和接头纱疵等优点,有利于提高高档面料的布面质量.此法对细纱机的生产效率略有影响,粗纱回花率有所增加.可通过适当减少关车时间来补偿效率损失,推广采用粗纱尾纱处理机,提高处理效率和质量,同时粗纱工序应实行定长、定位落纱.力求粗纱直径大小一致,减少锭间张力差异和大小纱张力变化,降低粗纱机断头率,消灭连续或多次断头的纱锭,以期获得良好的效果.指出:集体换粗纱的优点大于缺点,应予以推广.

Application and Analyses of Changing Roving Bobbin Method Collectively

Necessity of practicing changing roving bobbin method collectively was discussed.Disadvantages of traditional changing roving bobbins method were analyzed,advantages & disadvantages and its solutions of changing roving bobbin method collectively were analyzed.It is considered that roving breakage can be reduced after adopting changing roving bobbin method collectively,thick warp and weft,sluby yarn defect and joint yarn defect can be reduced,top grade fabric surface quality can be improved.Spinning frame ef...