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자료유형
학술저널
저자정보
Hajilari, M. (Textile Section, Faculty of Engineering, Science and Research Branch of Islamic Azad University) Eskandarnejad, S. (Textile Section, Faculty of Engineering, Science and Research Branch of Islamic Azad University) Behzadan, H. (Textile Department, Amir Kabir University of Technology) Moghadam, M. Bameni (Statistics Department, Allameh Tabatabaei University)
저널정보
한국섬유공학회 Fibers and Polymers Fibers and polymers 제8권 제5호
발행연도
2007.1
수록면
543 - 549 (7page)

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Opening of the fibres in all industrial rotor spinning units is being done by an opening roller, which intakes the fibres from one feed point. Increasing number of feed rollers from one to two may improve fibre opening on the opening roller by gradual loading of the opening roller, which may improve fibre orientation in the final yarn and yarn properties. In this research a modified SE-8 rotor spinning unit of Suessen was used in which two separate fibre feed systems were employed. Raw material used was 38 mm, 1.7 den viscose fibre, to spin a 40 tex yarn. Yarn properties produced with this unit, were compared with that of the original yarn. Yarn properties tested were tenacity, extension, work of rupture, mass irregularity and imperfections, abrasion resistance and hairiness, which were measured on Shirley (SDL) and keisokki yarn testing machines. Test results were analyzed by ANOVA for any difference between the means, and Tukey and Duncan for classification and ranking of the yarn properties. Test results showed that, tenacity, extension and work of rupture of the modified yarn increased in comparison to the original yarn. Its mass irregularity, number of thin places and neps, and hairiness decreased. Number of thick places and yarn abrasion didn#t change. According to the test results, it was concluded that increasing the number of feed rollers on the opening roller from one to two has improved yarn properties.

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