EFFECTS OF CHANGES IN FRONT DRAFTING ROLLERS GEOMETRY ON THE PROPERTIES OF RING SPUN YARNS

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GHARAH AGHAJI A.A.; RAFI MANZELAT M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: ESTEGHLAL Year:2005 | Volume:24 | Issue:1 Page(s): 367-380

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Title

EFFECTS OF CHANGES IN FRONT DRAFTING ROLLERS GEOMETRY ON THE PROPERTIES OF RING SPUN YARNS

Author(s)

GHARAH AGHAJI A.A. | RAFI MANZELAT M. | Issue Writer Certificate

Keywords

RING SPINNINGQ4

SPINNING TRIANGLEQ4

YARN TENACITYQ3

YARN TENSIONQ4

FIBER SPINNING- IN COEFFICIENTQ4

YARN IN TERSTRUCTUREQ4

Abstract

Regarding the importance of RING SPINNING method among spinning systems, great potentials exist for research about on the improvement of the quality and properties of ring spun yarn. This study aims to improve yarn quality by changing the shape and dimensions of SPINNING TRIANGLE through forming a groove in the middle zone of the front darfting roller with a curvature of 5 to 7 mm. For the top drafting roller, we used an elastic O-Ring with dimensions similar to those of the groove. With this change, the geometry of SPINNING TRIANGLE is expected to change as an Euclidean geometry to a half cone Riemannian shape. The results show improvement in YARN TENACITY, elongation at break, yarn evenness and faults, shape of spinning baloon, decrease in YARN TENSION and yarn breakage, improvement in fiber packing in the yarn cross section, more evenness in the yarn count and twist, and, finally, better inter-structure compared to the normal ring spun yarn.

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APA: Copy

GHARAH AGHAJI, A.A., & RAFI MANZELAT, M.. (2005). EFFECTS OF CHANGES IN FRONT DRAFTING ROLLERS GEOMETRY ON THE PROPERTIES OF RING SPUN YARNS. ESTEGHLAL, 24(1), 367-380. SID. https://sid.ir/paper/5970/en

Vancouver: Copy

GHARAH AGHAJI A.A., RAFI MANZELAT M.. EFFECTS OF CHANGES IN FRONT DRAFTING ROLLERS GEOMETRY ON THE PROPERTIES OF RING SPUN YARNS. ESTEGHLAL[Internet]. 2005;24(1):367-380. Available from: https://sid.ir/paper/5970/en

IEEE: Copy

A.A. GHARAH AGHAJI, and M. RAFI MANZELAT, “EFFECTS OF CHANGES IN FRONT DRAFTING ROLLERS GEOMETRY ON THE PROPERTIES OF RING SPUN YARNS,” ESTEGHLAL, vol. 24, no. 1, pp. 367–380, 2005, [Online]. Available: https://sid.ir/paper/5970/en

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