假捻装置的应用对纱线性能的影响

摘要

In order to solve the problem of low strength and easy breakage of low-twist single yarn in ring spinning, the traditional spinning frame DTM129 was modified on the basis of the development of low-torque ring spinning machine.A detachable false twisting device was added between the front roller and the yarn guide hook of the spinning frame.Besides,contrastive analysis of the yarns spun by the conventional ring spinning machine and ring spinning machine with the false twisting device.The experimental results show that the spinning frame with the false twisting device can not only improve the yarn strength and reduce the yarn hairiness, but also have no effect on the twist of the yarn while keeping the original twist coefficient constant.The yarn with the false twisting device has the characteristics of low twist and high strength,which solves the shortcoming of low twist and strength.In addition,the residual torque of the yarn decreases,which makes the yarn softer and more comfortable.%为了解决环锭纺纱机中低捻单纱的强力低、易断头等问题,文章在低扭矩环锭细纱机发展的基础上,对传统细纱机DTM129进行改装,在细纱机前罗拉与导纱钩之间添加可装卸的假捻装置,并对由传统环锭纺与加有假捻装置的环锭纺所纺的纱线进行对比分析.实验结果表明:在保持原有捻系数不变的情况下,加有假捻装置的细纱机不仅可以提高纱线强力、降低纱线毛羽,并且对纱线的捻度没有影响;加有假捻装置所纺的纱线具有低捻高强的特点,解决了细纱机捻度降低强力下降的缺点,所纺的纱线残余扭矩减小,会使得纱线更加柔软舒适.