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Study on the Influence of Fiber Properties on Yarn Imperfections in Ring Spun Yarns |
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J. Ochola,
J. Kisato,
L. Kinuthia,
J. Mwasiagi and A. Waithaka |
Abstract:
Fiber to yarn conversion process has been affected by several factors which
include properties of raw material, level of technology, machinery and skill
of machine operators. In cotton fibre spinning, the cost of raw material plays
an important role, since it accounts for over 50% of the total cost of the ring
spun yarn. Yarn imperfection (neps, thick and thin places) on the other hand
is an important yarn parameter which affects yarn and fabric processing, and
quality parameter. In this study, the relationship between fiber properties
and yarn imperfections has been investigated using statistical and Monte Carlo
techniques. The linear regression analysis developed models that generated coefficient
of regression (R) value of 0.68, 0.65 and 0.68, respectively for neps, thick
and thin places, respectively. The sensitivity analysis for statistical models
showed that yarn twist, micronaire value, fiber maturity, trash area, fiber
length, fiber strength and fiber yellowness are the influential factors for
affecting yarn imperfections. Others factors that included trash grade, fiber
uniformity, spinning consistency index, fiber reflectance, yarn linear density,
trash content, fiber elongation and short fiber index should also are considered
while studying yarn imperfection of cotton ring spun yarns.
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How to cite this article:
J. Ochola, J. Kisato, L. Kinuthia, J. Mwasiagi and A. Waithaka, 2012. Study on the Influence of Fiber Properties on Yarn Imperfections in Ring Spun Yarns. Asian Journal of Textile, 2: 32-43.
DOI: 10.3923/ajt.2012.32.43
URL: https://scialert.net/abstract/?doi=ajt.2012.32.43
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