Abstract
The surface evenness and texture are closely related with the irregularity of yarn thickness. Besides, yarn thickness variation has an important role to influence the yarn performance and the textile process efficiency. Thus, the information not only on the yarn thickness, but also on the short- term irregular characteristics that have not been known before is required for enhancing the qualities of textile products. This paper reports the results of a study about the yarn thickness and its variation for various types of yarn on the basis of a new measurement system applying a laser slit beam as a light source. The new method delivers effective information on the irregularity. The analysis of the measured signal confirms that the visual shade created by the yarn doubling and twisting can be measured and the yarn thickness characteristics can be represented by correlograms. Depending on yarn types, correlograms have different shapes and can be approximated to an exponentially decaying function with or without fluctuating magnitude. In addition, the effective information on the yarn irregularity can be influenced by the sampling length interval of the measuring device used for tests.
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Huh, Y., Kim, J.S., Kim, S.H. et al. Characterizing yarn thickness variation by correlograms. Fibers Polym 6, 66–71 (2005). https://doi.org/10.1007/BF02875575
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DOI: https://doi.org/10.1007/BF02875575