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1 2011

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Investigating the Performance of Various Relaxation Processes on the Surface Regularity and Dimensional Properties of Plain Knitted Fabrics Using the Image Processing Technique

Sanjari H. R., Semnani D., Sheikhzadeh M.

Fibres & Textiles in Eastern Europe

2011

Vol. 19, no. 2 (85)

36-42

Te main objective of this paper was to develop a more advanced fnishing treatment for the stitch shape regularity and dimensional properties of knitted fabrics. In our previous work, we presented a novel defnition of knitted fabric regularity. In the present study we utilised our pervious approach based on Radon transformation analysis to study the efect of diferent relaxation regimes on the above properties of plain fabrics. We applied various relaxation methods to plain fabrics to make the stitch shape closer to the ideal. Te rhythm of stitch shape improvment was evaluated by measuring the deviation of the direction angle of the stitches against the ideal state. Te results show that the average fabric irregularity index afer ultrasonic-chemical relaxation treatment is better than other relaxation method indices. Moreover the average fabric constant dimensional parameter (Ks) afer the above treatment is higher than values reported by pervious workers. Terefore we propose this relaxation treatment as a new relaxation method that is more efective with respect to plain fabric regularity and stability during usage.