Efficiency of a Slub Catcher in Worsted Winding

Saville, N.; Townend, P. P.
June 1965
Textile Institute & Industry;Jun1965, Vol. 3 Issue 6, p151
Trade Publication
The article discusses the effectiveness in employing a slub catcher in worsted twisting process. It has been that the method in worsted spinning is to use more singles yarn and along with the increased number of man-made fiber blends, has added to the problem of slubs and so with their elimination. A study was conducted using Yarnspec 412B, a device which is based on the operation of a photo-cell. A number of slubs were attached on a worsted yarn and the yarn was run through the slub catcher at 420 effective yard per minute and wound from cone to cone of the slub yarns and bobbin to cone for the spinners' double. It shows that there are various level of efficiency for the various sizes of slub at different voltage settings.


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