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Mechanical Properties of Ring-spun Yarn and Its Strength Prediction Model

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In this paper, the structural and mechanical properties of ring-spun yarn were studied comprehensively. Relationships between yarn count, yarn twist, and relative yarn structural and mechanical properties were obtained. Through statistical analyses of 200 pure cotton yarn count, twist and strength, with consideration of some influential factors such as being carded or combed, and the application of long-staple cotton, experimental functions of the yarn relative strength with the yarn count and twist were deduced. Considering the above mechanical properties and experimental functions, a pure cotton ring-spun yarn strength prediction model has been established based on continuous mechanics theory. The Equation is easily used with high precision of strength prediction for pure cotton yarn. The relationship between the value predicted and the test value is characterised by high linearity, and the determination ratio of the regression Equation is as high as 0.9623.

Tags: yarn twist, yarn strength, ring-spun yarn, mechanical properties, strength prediction model.

Citation: Zhang H.-W., Guo X.-F., Li Y.-L.; Mechanical Properties of Ring-spun Yarn and its Strength Prediction Model. FIBRES & TEXTILES in Eastern Europe 2011, Vol. 19, No. 3 (86) pp. 17-20.

Published in issue no 3 (86) / 2011, pages 17–20.

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