“两步法”降低棉纺环锭细纱断头
2018-11-21 18:10:36   来源:   评论:0 点击:

为适应棉纺环锭细纱机高速纺纱、降低细纱断头的要求,通过完善整修标准、明确整修重点、掌握关键技术3个方面阐述精细整修的具体做法;分析气圈高度与导纱钩运动轨迹关系、导纱钩运动
刘全新1,刘梓萱1,刘志祥2
(1.山东全新纺织科技咨询服务中心,山东 聊城  252400;2.上海颂财纺织科技有限公司,上海  201801)
 
摘要:为适应棉纺环锭细纱机高速纺纱、降低细纱断头的要求,通过完善整修标准、明确整修重点、掌握关键技术3个方面阐述精细整修的具体做法;分析气圈高度与导纱钩运动轨迹关系、导纱钩运动轨迹控制和优化的革新改造;以山东某纺纱厂对EJM128K-420型细纱机进行整修和革新的实践,表明“两步法”整修后细纱机锭速可提高9%,且细纱断头无显著增加。指出:采用整修、革新“两步法”,提升设备工作状态可有效降低细纱断头;即使断头率不变,也可提高锭速、增加单产;改进锭子校正的“一杆两盘”方法,能保证锭子、钢领和导纱钩“三同轴”;优化导纱钩运动轨迹和加装气圈控制环可降低细纱断头,是从细纱机上挖掘潜力、降低断头的重要措施。
关键词:棉纺环锭细纱机;断头;整修;革新;导纱钩;钢领;锭子;三同轴;气圈;一杆两盘
中图分类号:TS103      文献标志码:B      文章编号:1001-9634(2018)S1-0001-04
 
收稿日期:2018-03-30
作者简介:刘全新( 1963—),男,山东莘县人,工程师,主要从事棉纺环锭纺纱技术研究、应用管理和产品开发等工作。
 
Using Two-step Method to Reduce Broken Ends of Ring Spun Cotton Yarn
LIU Quanxin1,LIU Zixuan1,LIU Zhixiang2
(1.Shandong Quanxin Textile Science and Technology Advisory Service Center,Liaocheng 252400,China;2.Shanghai Songcai Textile Technology Co.,Ltd.,Shanghai 201801,China)
 
Abstract:To be oriented with the development of hi-speed ring spinning of cotton yarn with less broken ends,we expound the concrete practice of fine machine repair from three aspects including completion of repair standard,clear key repair processes,and mastering key technology.Innovation and reform starts with the relationship between the balloon height and the trajectory of the guide,the control and optimization of the trajectory of the guide.The repair practice of the spinning frame EJM128K-420 in a spinning plant in Shandong shows that the spindle speed of the spinning frame can be increased by 9% after the two-step refurbishment and innovation,and the breakage of the spinning yarn dropped significantly.It is pointed out that the refurbishment and innovation of the two-step method can effectively reduce the yarn breakage.Even if the end-broken rate keeps unchanged,the spindle speed and the output can be increased,and the“one rod and two disks”method to improve the spindle correction can keep the spindle,the ring and the guide in a state of three-in-one-axis,and the trajectory of the yarn guide is optimized.The installation of the balloon control ring can reduce the broken ends of the spun yarn.It is an important measure to excavate the potential and reduce the broken ends from the spinning frame.
Key Words:cotton ring spinning machine;broken ends;refurbishment;innovation;yarn guide;ring;spindle;three-in-one-axis;balloon;one rod two disks
                
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