Abstract
In this paper, friction of air-jet textured yarns is investigated. Using a friction measuring apparatus fabricated in-house, dynamic friction forces of the yarns under yarn-to-metal (YM) and yarn-to-yarn (YY) rubbing modes are measured. The influence of processing variables of air-jet texturing viz., overfeed, air pressure, dry/wet texturing and normal/core-and-effect texturing on dynamic friction is analysed. The results indicate that friction force increases with increasing rubbing speeds and yarn input tension. YM dynamic friction decreases initially and then starts to increase at higher overfeeds. YY dynamic friction increases with increasing overfeed. YM dynamic friction decreases with an increase in air pressure while an opposite trend is observed for YY friction. Wet textured yarns have higher friction than dry textured yarns. Core wetted core-and-effect textured yarns have higher friction than normal textured yarns.
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Rengasamy, R.S., Guruprasad, R. & Asis, P. Dynamic friction of polyester air-jet textured yarns. Fibers Polym 6, 146–150 (2005). https://doi.org/10.1007/BF02875606
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DOI: https://doi.org/10.1007/BF02875606