Comparison of Two Different Yarn Evenness Test Methods

  •  Dairong Zhang    
  •  Ling Cheng    


The evenness of yarn is an important index of quality control of textiles, so the researches about the yarn evenness test method have been the hotspot in the textile measurement for recent years. In this article, two main yarn evenness testing methods including the Uster method and the CTT (Constant Tension Transport) method which are important in the present textile industry are compared and studied. Though comparing and analyzing the testing principles of two methods, adopting the method of statistical analysis to correlatively analyze the testing data obtaining from two different testing measures, the method of CTT can more visually and exactly describe the appearance quality of yarns.

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