This paper introduces the influence of drafting form ,drafting organ and process on yarn strands , fine end , slub and nep ,etc.

• 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。