Cotton spinnability, or spinning potential, is traditionally determined based on the number of ends-down occurring under controlled spinning conditions. No yarn quality considerations are included in this spinning potential concept, which is representative only of the performance of a given fiber during spinning. Using measurements of thin places in ring spun yarns as the surrogate variable representing yarn quality, a new "quality potential" component is added to the traditional spinnability notion. Spinnability limits are o determined on the basis of yarn quality, and a new spinning potential definition that captures both critical aspects of spinning performance and yarn quality is advanced.
Get full access to this article
View all access options for this article.
References
1.
ASTM, Standard Test Method for Spinning Tests on the Cotton System for Measurement of Spinning Performance, in Annual Book of ASTM standards, 1991, Textiles: D 2811-77.
2.
Burley, S.T. Jr., A Method of Determining the Effects of Various Ginning Treatments on the Spinnability of Cotton, Textile Res. J.29, 696-699 (1959).
3.
Dobson, A.J. , "An Introduction to Generalized Linear Models ," 1st ed., Chapman and Hall , NY, 1990.
4.
Graham, J.S. , and Taylor, R.A., Development of a Method to Measure Cotton Spinnability, Textile Res. J.48 (5), 286-292 (1978).
5.
Hequet, E., and Wyatt, B., Relationship among Image Analysis on Cotton Fiber Cross Sections, AFIS Measurements and Yam Quality, in "Proc. Beltwide Cotton Conferences ," Anaheim, CA, Jan. 9-13, 2001, pp. 1294-1298.
6.
Hudson, D.J. , Fitting Segmented Curves Whose Join-Points Have to be Estimated, J. Am. Statist. Assoc.61, 1097-1129 (1966).
7.
McCullagh, P. , and Nelder, J.A., "Generalized Linear Models," 2nd ed., Monographs on Statistics and Applied Probability , Chapman and Hall, NY, 1989.
8.
Penava, Z., and Oreskovic, V., Analysis of the Coincidence between Thin Places and Breaking Points in a Yam , J. Textile Inst.88, Part 1 (1): 21-33 (1997).
9.
Pynckels, F. , Kiekens, P., Sette , S., Van Langenhove , L., and Impe, K., Use of Neural Nets for Determining the Spinnability of Fibres, J. Textile Inst.86 (3), 425-437 (1995).
10.
Ruby, E.S., and Parsons, L.E., Repeatability andTolerances of Laboratory Spinning Techniques, Textile Res. J.19 (5), 283-287 (1949).
11.
Seber, G.A.F. , and Wild, C.J., "Nonlinear Regression, Wiley Series in Probability and Mathematical Statistics," Wiley , NY, 1989.
12.
Taylor, R.A. , and Graham, J.S., TheInfluence of Front-Roll Coverings on the Spinning Strength of Cotton, Textile Res. J.49 (12), 717-723 (1979).
13.
Zhang, W., Iype, C., and Oxenham, W., TheAnalysis of Yam Thin Places and Unevenness with an Image-Analysis System and Program Design, J. Textile Inst.89 (1), 44-58 (1998).
14.
Zhu, R., and Ethridge, M.D., A Method for Estimating the Spinning-Potential Yam Number for Cotton Spun on the Rotor-Spinning System, J. Textile Inst.89 (2), 274-280 (1998).
