Gülcan SÜLE, Mine AKGUN, Halil Rifat ALPAY, Recep EREN

DOKUMA KUMAŞLARDA ÇÖZGÜ GENİŞLİĞİ BOYUNCA ÇÖZGÜ GERGİNLİK DAĞILIMININ KUMAŞ GENİŞLİĞİ BOYUNCA KUMAŞIN KOPMA MUKAVEMETİ DAĞILIMINA ETKİSİ

Bu makalede, bezayağı dokuma kumaşlarda çözgü genişliği boyunca çözgü gerginlik dağılımının kumaş eni boyunca kumaşın kopma mukavemeti dağılımına etkisi araştırılmaktadır. Farklı kumaş konstrüksiyonları atkı sıklığı, atkı ipliği numarası ve çözgü gerginliği değiştirilerek hava jetli dokuma makinasında dokunmuştur. Çözgü gerginliği çözgü genişliği boyunca dokuz çözgü ipliği üzerinde ölçülmüştür. Dokuma kumaşların çözgü yönündeki kopma mukavemetleri kumaş genişliği boyunca dokuz bölgede, atkı yönündeki kopma mukavemetleri kumaş genişliği boyunca üç bölgede ölçülmüştür. Sonuçlar, çözgü gerginliğinin tezgahın kenar bölgelerinde orta bölgeye gore daha düşük olduğunu göstermiştir. Kumaşın çözgü ve atkı yönündeki kopma mukavemeti kumaş genişliği boyunca uniform bir değişim göstermemiştir. Çözgü gerginliğindeki ve kumaşın çözgü yönündeki kopma mukavemetindeki değişimin atkı sıklığı ve atkı iplik numarası azaldığında ve çözgü gerginliği arttığında arttığı görülmüştür. Bu sonuçlar, düşük çözü gerginliği altında kalın atkı iplikleri ile ve/veya yüksek atkı sıklıkları ile dokunan kumaşların çözgü yönündeki kopma mukavemeti değişiminin daha az olduğunu göstermiştir

Anahtar Kelimeler:

Çözgü gerginliği, Çözgü gerginlik dağılımı, Kumaşın kopma mukavemeti, Kumaşın kopma mukavemet dağılımı, Dokuma

WARP TENSION DISTRIBUTION OVER THE WARP WIDTH AND ITS EFFECT ON FABRIC'S BREAKING STRENGTH DISTRIBUTION OVER THE FABRIC WIDTH IN WOVEN FABRICS

This paper assesses warp tension distribution over the warp width and its effect on fabric’s breaking strength distribution over the fabric width in plain woven fabrics. Different fabric constructions were woven by changing weft density, weft yarn count and warp tension during weaving on an air jet loom. Warp tension was measured for nine warp ends over the warp width. Then, fabric’s breaking strength in warp and weft directions over the fabric width were measured for nine and three measurement points, respectively. It was found that warp tension was lower in the edge zones and increases towards the middle of the loom. There was no uniform change of fabric’s breaking strength in warp and weft directions over the fabric width. Warp tension and fabric’s breaking strength variation increased when weft density and weft yarn thickness decreased and warp tension increased. These results showed that denser fabrics woven with lower warp tension had less fabric’s breaking strength variation in warp direction

Keywords:

Warp tension, Warp tension distribution, Fabric’s breaking strength, Fabric’s breaking strength distribution, Weaving,

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