Optimum Drafting Conditions Of Polyester And Viscose Blend Yarns

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In this study, we used an experimental design to investigate the influence of the total draft, break draft, distance between the aprons (Clips) and production roller pressure on yarn quality in order to obtain optimum drafting conditions for polyester and viscose (PES/CV) blend yarns in ring spinning frame. We used PES fibers (1.4 dtex × 38 mm long) and CV fibers (1.6 dtex × 38 mm long) to spin a 20 Tex blend yarn of PES (70%)/CV (30%) blend ratio. When the break draft, adjustment of distance between of aprons and roller pressure is not reasonable, controlling and leading of the fibers is not sufficient for proper orientation of the fibers in the yarn structure to produce a high quality yarn. Experimental results and statistical analysis show that the best yarn quality will be obtained under drafting conditions total draft of 38, 1.2 break draft, 2.8 mm distance between of aprons and maximum pressure of the production top roller (18daN).

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  • [1] Klein W. (1987). Short Staple Spinning Series (Manual of Textile Technology) Vole 4 A Practical Guide to Ring Spinning The Textile Institute UK (Manchester).

  • [2] Grishin P.F. (1945). A Theory of Drafting and Its Practical Application. Journal of Textile Institute 45 167-267.

  • [3] Martindale J.G. (1947). An instrument for measurement of the forces operating between fibers during drafting. Journal of Textile Institute 38 151-166.

  • [4] Roder H. L. (1958). The Evaluation of the Spinning Properties of Man-made Staple fibers. Textile Research Journal 28 819-839.

  • [5] Audivert R. (1974). The Relation between the Drafting Force Draft and Setting in the roller-drafting of staple-fiber slivers. Journal of Textile Institute 65 325-327.

  • [6] Su C.I. Lo K.J and Lee J.Y. (1998). Drafting Force of Fine-Denier Polyester Fibers. Textile Research Journal 68(8) 559-563.

  • [7] Su C.I. and Lo K.J. (2000). Optimum Drafting Conditions of Fine- Denier Polyester Spun Yarn. Textile Research Journal 70(2) 93-97.

  • [8] Su C.I. Liu C.H and Jiang J.Y. (2003). Drafting Force of Twin Spun yarn Textile Research Journal 73(9) 815-818.

  • [9] Su C.I. and Jiang J.Y. (2004). Fine Count Yarn Spun with a High Draft Ratio Textile Research Journal 74(2) 123-126.

  • [10] Su C.I. and Lai W.C. (2005). Optimum Drafting Conditions of Polypropylene Spun Yarns Textile Research Journal 75(1) 6-8.

  • [11] Su C.I. and Fang J.X. (2006). Optimum Drafting Conditions of Non-Circular Polyester and Cotton Blend Yarns Textile Research Journal 76(6) 441-447.

  • [12] Leaf G. A. V. (1984). Practical Statistics for the Textile Industry The Textile Institute UK (Manchester).

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