23-28The
formation of snarls that takes place in the yarns in post-spinning processes,
such as winding, warping, weaving and knitting, has been studied. This defect
is due to the excessive yarn twist liveliness (torsional buckling) and causes
great trouble to the manufacturers of yarns and fabrics. Biased testing
techniques are used for the measurement of this defect. A snarling
testing apparatus PRIANIC and an unbiased testing technique have been developed
and are reported. The investigation of factors such as yarn package form, yarn
twist factor, time elapsed between production and processing stages of yarns
and yarn conditioning show the significant role they play in the reduction of
yarn snarliness.
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