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1 Autex Research Journal

1 2008

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Influence of core component on the properties of friction spun yarns

Rameshkumar C., Anandkumar P., Kavinmurugan P., Manojkumar B., Anbumani N.

Autex Research Journal

2008

Vol. 8, no. 4

106--110

Friction (DREF II) spinning system is one of the promising spinning methods to produce yarns for technical textile applications. The core positioned exactly center and the spinning tension will be very less compare to ring and rotor spinning systems. In an experimental study to produce 6's Ne core spun yarns in DREF II spinning machine, the polyester /viscose (70/30%) sliver was used as sheath component and drawn polyester filaments (150 denier/36) were used as core component. Yarns were produced with the different core/sheath components (0/100%, 16/84%, 30/70%, 50/50% and 70/30% respectively).Friction ratio was kept at 3.33 and the feed rate was changed to produce above 6's Ne core spun yarns. Core spun yarns found that more even and high modulus than the parent friction spun yarn. The filament-core in the yarn appeared to have twisted configuration. The direction and level of twist was difficult to ascertain in these yarns. High core component yarns were found less hairy. S3 values of the yarn found minimum with increment in the core proportion in the yarn. Sheath strength contribution was analyzed with respect to the core filaments and found that the less core proportion yarns have high contribution to the tenacity.