Effect of MVS process parameters on knitted fabric characteristics

Dhamija, Sudershan ; Varshney, Rajeev Kumar; Deshdeepak


Regression analysis of response surface has been used to evaluate the fabric samples made of 100% viscose vortex spunyarns on the basis of air permeability, ball bursting strength, abrasion resistance and fabric thickness. The experimentalresults reveal that the fabrics knitted with MVS yarns spun at higher yarn delivery speed exhibit lower air permeability. Onthe other hand, at higher yarn delivery speed, the air permeability of fabrics increases with the increase in nozzle pressure.But, at low yarn delivery speed, the air permeability shows opposite trend with the increase in nozzle pressure. Both ballbursting strength and thickness of MVS yarn fabrics initially decrease with the increase in nozzle air pressure of Muratavortex spinner and then increase. With the increasing yarn delivery speed, ball bursting strength exhibits an initial decreasefollowed by a rapid increase with further increase in yarn delivery speed, whereas thickness and abrasion resistance of thesefabrics improve with the increase in yarn delivery speed. An increase in sliver hank enhances thickness, but has a deleteriouseffect on abrasion resistance of these fabrics.


Abrasion resistance;Air permeability;Ball bursting strength;Fabric thickness;Knitted fabric;Murata VortexSpun yarn;Viscose yarn

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