Twisting Mechanisms of Open-End Rotor Spun Hybrid Yarns

We have developed a mechanical hybrid yam spinning system that produces different kinds of yam on a modified open-end rotor spinning frame. In order to understand the characteristics of hybrid yam and produce novel yarns, it is necessary to investigate yarn formation and the twisting mechanism in th...

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Bibliographic Details
Published in:Textile research journal 2002-08, Vol.72 (8), p.735-740
Main Authors: Matsumoto, Yo-Ichi, Fushimi, Satoshi, Saito, Hideki, Sakaguchi, Akio, Toriumi, Koichiro, Nishimatsu, Toyonori, Shimizu, Yoshio, Shirai, Hirofusa, Morooka, Hideo, Gong, Hugh
Format: Article
Language:English
Subjects:
Experiments
Fabrics
Fibers
Filaments
Manufacturing
Processes
Rotors
Spinning
Staples
Strands
Textiles
Twisting
Yarns
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Summary:We have developed a mechanical hybrid yam spinning system that produces different kinds of yam on a modified open-end rotor spinning frame. In order to understand the characteristics of hybrid yam and produce novel yarns, it is necessary to investigate yarn formation and the twisting mechanism in the spinning rotor during yam production. Our results reveal that the rotor revolution generally results in combining the filament yam and the staple fiber strand. The fiber twist angle of the strand in a hybrid yarn is smaller than that of a rotor spun single yam with the same spinning conditions. Although a fed filament yam has a false twist inserted by increasing the filament over-feed, the filament yarn in the hybrid yarn has a smaller level of fiber twist angle in the same direction as the twist of the staple fiber strand due to untwisting of the false twist.
ISSN:0040-5175
1746-7748
DOI:10.1177/004051750207200814