Yarn hairiness on ring spinning with modified yarn path
Yarn hairiness on a modified ring spinning system with a pair of offset device which can change the horizontal offset of spinning triangle continuously has been discussed in this paper. It is observed that the selection of appropriate right horizontal offset of spinning triangle can help to reduce the spun yarn hairiness with “Z” twist, whereas the selection of appropriate left offset can help to reduce the spun yarn hairiness with “S” twist. The corresponding appropriate horizontal offsets are given by experiments for five types of yarn, namely 20s, 30s, 40s, 50s and 60s with “Z” twist respectively. Finally, the explanations of hairiness reduction are given according to the fibre tension distributions at spinning triangle.
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