JOURNAL OF TEXTILE RESEARCH ›› 2016, Vol. 37 ›› Issue (12): 160-166.
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Abstract:
Composite spenning technology of online filament-spreading presented in this study is considered as a specialized and advanced one which can form high-quality and high-count yaarns of shorter and weaker fibers, such as noil, kapok, eiderdown, etc. Various tow spreading technologies published domestic and overseas, e. g. , mechanical, supersonec, acoustic, electrical and pneumatic systems, and the related common equipments have been presented. In particular, the review concentrates on the composite spinning technology of online spreading systematically including single tow-spreading, splitted double tow-spreading, upper-lower-layered tow-spreading, and corresponding spinning methods. Meanwhile, the stable multifilament wrap-short staple core yarn structure, yarn-forming processing, and the improved mechanism of yarn strength have been introduced. Obviously, the composite spinning technology based on online filament-spreading is not only suitable for shorter and thicker fibers, weaker and frailer ones, especially the recycled ones, but also is considered as an advanced and innovative method of the traditional ring spinning processing technology.
Key words: tow spreading, spreading equipment, structural composite yarn, short-staple fiber spinning, wuapped composite spinning
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