Please use this identifier to cite or link to this item: http://nopr.niscpr.res.in/handle/123456789/31618
Title: Effect of twist level and twist direction of core (double) yarn on dref-3 spun yarn
Authors: Halari, N R
Rakshit, A K
Chattopadhyay, S K
Bhowmick, M
Keywords: Core yarn;Cotton yarn;Double yarn;DREF-3 yarn;Friction spinning;Twist direction;Twist level
Issue Date: Jun-2015
Publisher: NISCAIR-CSIR, India
Abstract: In this study, an attempt has been made to understand the behaviour of friction spun yarn by introducing doubled yarns as core with diversity in twist level and direction. ā€˜Zā€™ twisted 15tex (40s Ne) parent yarn has been used for doubling purposes. To examine the effect of doubling, three twist levels are chosen, viz. 50, 60 and 70 % of the parent yarn twist for both the directions viz. S and Z. Thus, six samples of doubled yarns are prepared. These samples are tested for the count, twist, breaking force and elongation. These yarns are introduced as core into DREF-3 friction spinning system; keeping the sheath fibre constant viz. combed cotton sliver of 0.15 hank for all the samples. The twist direction of the doubled yarn used as core is found to be the influential factor for the breaking force and elongation of the friction spun yarn.
Page(s): 137-139
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.40(2) [June 2015]

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