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IJFTR Vol.34 [2009] >
IJFTR Vol.34(4) [December 2009] >


Title: Yarn hairiness controlled by various left diagonal yarn path offsets by modified bottom roller flute blocks in ring spinning
Authors: Thilagavathi, G
Udayakumar, D
Sasikala, L
Kannaian, T
Keywords: Cotton
Left diagonal path
Polyester
Spinning triangle
Yarn hairiness
Issue Date: Dec-2009
Publisher: CSIR
Abstract:  The influence of modified yarn path on spinning triangle and, in turn, on yarn hairiness has been studied using 100% cotton yarns of the counts 25s, 40s, 60s, 70s & 100s, and polyester/cotton blended (70/30) yarns of the counts 30s, 45s & 64s with various left diagonal path offsets in ring spinning. The study has been carried out using DJ5 ring frame model by modifying the bottom roller flute blocks, pressure bar and pneumafil hole accordingly. The yarns have been tested for hairiness, strength, unevenness and breakage and the test results are compared with the various yarns produced by different left diagonal path offsets and normal straight path. It is observed that there is upto 40% reduction in hairiness at 60 mm offset left diagonal path with slight increase in the strength for all the counts produced except 100s.
Page(s): 328-332
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Source:IJFTR Vol.34(4) [December 2009]

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