对细纱工序产生毛羽纱的原因进行分析，提出了减少毛羽纱，提高成纱质量的措施。
The cause of yarn hairiness is analysed in spinning process and the measures for reducing hairiness are discussed to improve yarn quality.
减少纺纱毛羽是一项系统工程，其重点应在细纱工序和络筒工序，再及前纺工序和原料。
Reducing hairiness is a system engineering, its emphases are spinning process and coning process, also including preparatory spinning process and primary material.
在细纱工序中，采用合适硬度的胶辊、无机械波罗拉、新型下销与钢领，能快速、全面提高成纱质量。
In the process of spinning spun yarn, the improvement of yarn quality depends on proper rubber-covered roll, roller without mechanical wave, new type under-pin and ring.
细纱工序合理选用胶辊、钢丝圈和集合器，控制毛羽和减少纱疵，最终使纺纱质量指标满足了使用要求。
In spinning process, rubber-covered roll, ring and collector should be selected rationally, hairiness and yarn defects should be controlled, finally yarn quality could reach using demands.
这种测试方法捕捉不到动态运行出现的条干质量问题，而这个问题对粗纱和细纱工序产生的影响又是不可轻视的。
This testing method can't examine the problem of sliver evenness in dynamic running process. Moreover the influence to roving and spinning procedure caused by this matter cannot be neglected.
介绍了细纱工序牵伸型式、牵伸元件以及牵伸工艺对成纱条干、细节、粗节、棉结等的影响，并通过一系列试验进行了分析。
This paper introduces the influence of drafting form, drafting organ and process on yarn strands, fine end, slub and nep, etc.
细纱工序是成纱的一道关键工序，细纱机性能的优劣对成纱的产量和质量都有重要的影响。 目前，国内棉纺厂所使用的细纱机大多采用总轴传动方式，落纱过程通过人工操作完成。
The spinning working procedure is the most important one of the resultant yarn spinning, the capability of the spinning frame affects a lot to the crop and the quality of the resultant yarn.
介绍了双涤纶包芯纱线的原料选用和成纱性能，叙述了各生产工序的工艺注意要点，以及在细纱设备改造和操作管理方面采取的技术措施。
This paper introduces the material selection and yarn property of double polyester covered yarn, describes process key and technology measures in reforming spinning frame and operating management.
介绍了双涤纶包芯纱线的原料选用和成纱性能，叙述了各生产工序的工艺注意要点，以及在细纱设备改造和操作管理方面采取的技术措施。
This paper introduces the material selection and yarn property of double polyester covered yarn, describes process key and technology measures in reforming spinning frame and operating management.
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