A detailed study is made of the effects of yarn size and twist on fiber migration in staple yarns. A simple theoretical model is developed to calculate migration force in a surface fiber as a function of yarn size, twist and processing tension. The theoretical model proved useful, not only in explaining the experimental results, but also in providing some unex pected additional information. In particular, it demonstrates that some scatter of data in experimental results can be expected theoretically. Among all the variables considered thus far in this series of papers [1, 2], yarn size and twist appear to be the most influential variables controlling fiber migration in staple yarns.
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Bhupender S. Gupta (1972) studied this question.
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