A RESEARCH FOR SPINNING SILK/COTTON BLEND ON OPEN-END ROTOR SPINNING SYSTEM

İpek özel ve pahalı bir liftir. Bulunduğu ürünün özelliklerini ve katma değerini artırır. Open-end rotor iplikçiliği, kısa lif iplikçiliğinde ring iplik eğirme yönteminden sonra en çok tercih edilen eğirme yöntemidir. Üretim prosesi ring iplikçiliğine göre daha kısa ve üretim hızı daha yüksek olduğu için maliyet açısından daha avantajlıdır. Bu çalışmada, open-end rotor iplikçiliğinde ipek lifinin eğrilebilirliğinin incelenmesi amaçlanmıştır. Karışımda ipek oranının, büküm katsayısının, rotor hızının, rotor tipinin, açıcı silindir hızının ve açıcı silindir tipinin iplik özelliklerine etkisi incelenmiştir. Ayrıca Mesdan-lab 294E numune örme makinesinde orta sıklıkta süprem kumaşlar örülerek, karışımda ipek oranının hava geçirgenliği, aşınma dayanımı (ağırlık kaybı), patlama mukavemeti, yüzey sürtünme katsayısı, kumaş kalınlığı ve gramajı değerlerine etkisi incelenmiştir. Karışımda ipek oranı arttıkça iplik kopma uzaması (%) artmış, iplik tüylülüğü değerleri yükselmiştir. Kumaşlarda da ipek oranının artışına bağlı olarak hava geçirgenliği değeri ve aşınma dayanımı azalmıştır

İPEK/PAMUK KARIŞIMININ OPEN-END ROTOR İPLİK EĞİRME SİSTEMİNDE EĞRİLMESİ ÜZERİNE BİR ARAŞTIRMA

Silk is a special and expensive natural fiber. It enhances added value of products that its used in. Open-end rotor spinning system is the second most favorite spinning system in short staple fiber spinning systems after ring spinning. This spinning system has cost advantages because of its less process needs and high production rate in comparison with ring spinning system. In this study, spinnability of silk fiber in open-end rotor spinning system was investigated. The effects of silk fiber ratio in blends, twist coefficient, rotor speed, rotor type, opening roller type and speed to yarn properties were investigated. Furthermore, single jersey fabrics were produced by Mesdan-lab 294E with medium stitch density and the effect of silk fiber ratio on air permeability, abrasion resistance (through weight loss), surface friction coefficient, thickness and weight of fabrics were investigated. Yarn hairiness and breaking elongation were increased with increasing silk ratio on yarns. Also, air permeability and abrasion resistance of the fabrics were decreased with increasing silk ratio on them

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