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Property Analysis of Denim Fabrics Made on Air-jet Weaving Machine Part I

Experimental System and Tension Measurements

Department of Polymer and Fiber Engineering, Auburn University, 115 Textile Building, Auburn, AL 36849, USA, adanusa{at}auburn.edu

Jing Qi

Department of Polymer and Fiber Engineering, Auburn University, 115 Textile Building, Auburn, AL 36849, USA

Yarn tension is an important parameter which affects fabric properties and quality. An on-line tension measurement system was developed in which a Denkendorf yarn tension tester (DEFAT) was used to record and evaluate yarn tensions on an air-jet weaving machine. In dynamic warp and filling yarn tension measurements, the measuring head was put in continuous contact with the yarn during weaving. In warp tension measurement, the measuring head was placed in the warp sheet slightly ahead of the back rest roller on the weaving machine. One yarn from the center heddle was fed into the head to produce a trace. In filling tension measurement, the measuring head was placed closest to the pick insertion point at the machine as filling yarn was inserted from a package. Different cotton yarns were used as filling yarn.

Key Words: air-jet weaving • denim fabric • yarn properties • yarn tension

Textile Research Journal, Vol. 78, No. 1, 3-9 (2008)
DOI: 10.1177/0040517507079780


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