Dokuma işleminin E- cam iplikler üzerinde hasar oluşumuna etkilerinin incelenmesi

Öz

Dokuma makinesinde kumaş oluşumu farklı mekanizmaların eş zamanlı çalışması ile sağlanmaktadır. Dokuma mekanizmalarından dolayı iplik belirli bir gerginlik altındadır ve bu durum bir çevrim halinde devam etmektedir. Kullanılan mekanizmalar ve sabit olmayan gerginlik dokuma işlemi sırasında ipliğe zarar verebilmektedir. Düşük aşınma dayanımı gösteren cam ya da karbon gibi kırılgan lifler geleneksel liflere göre hasar oluşumuna karşı daha yatkındırlar. Dokuma işleminde iplik gerginliğinin ve hasar mekanizmalarının belirlenmesi üzerine birçok çalışma yapılmıştır. Bu duruma karşın çalışmalarda genellikle çözgü iplikleri üzerinde oluşan hasar incelenmiştir. Yapılan bu çalışmada endüstriyel üretim sırasında çözgü ipliklerinin yanı sıra atkı iplikleri üzerinde oluşan hasar araştırılmıştır. Endüstride yaygın olarak kullanılan atkı gerginlik sistemleri incelenmiş, yaylı iplik gerdirici sistem en iyi performansı göstermiştir. Elde edilen bu sonucun yanı sıra endüstriyel cam dokuma kumaş üretiminde iplik- makine aksamı arasında oluşan sürtünmenin çözgü iplikleri üzerinde hasara yol açan başlıca neden olduğu belirlenmiştir.

Anahtar Kelimeler

• E- cam lifi
• Dokuma teknolojisi
• Aşınma
• Sürtünme
• Mukavemet

The Effects of Weaving Process on the Damage Formation of the E- Glass Yarn

Öz

The woven fabric production can be executed in the weaving machine by the using of different mechanisms, which are working simultaneously. Because of the weaving mechanisms, the yarn has under tension and changed between the determined range within the repetitive cycles. The mechanisms and unsteady tension cause to damage on the yarns in the woven fabric production process. The breakable fibers like carbon or glass are more sensitive to degrade in the weaving machine because of their low friction resistance in comparison with the traditional fibers. The several of studies had been carried out to determine the tension of yarns and their damage mechanisms in the weaving process. However, they focused on the damage evolutions of warp yarns in the weaving process. In addition to the warp yarns, the damage evolution of weft yarns was investigated for industrial production in this study. The prevalent weft tensioning systems were evaluated, and the spring yarn tensioning system shown the best performance. Moreover, the yarn- to- machinery part type of friction was determined as the main reason to degrade warp yarns in the industrial production of glass woven fabric.

Anahtar Kelimeler

• E- glass fiber
• Weaving technology
• Degradation
• Friction
• Strength

Kaynakça

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