The use of self-twist (ST) cotton rovings as a replacement for conventional rovings in producing ring-spun yarns has been investigated using both magnetically-weighted and pressure-arm drafting units. The ST rovings generally produced an inferior- quality yarn with more roving and yarn breaks than that with the conventional control rovings. This offset the advantage of producing the ST roving at a much higher rate.
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References
1.
Abbott G.M. and Thom J.D., Self-Twist Cotton Roving. Part I: Roving Production and Properties , Textile Res. J.52, 000-000 (1982).
2.
Schultz, E.F. , Jr., Little, H.W., Tallant , J.D., and Fiori, L.A., A Statistical Procedure for Determining End Breakage Rate in Spinning, Textile Res. J.31, 872-874 (1961).
