This paper reports the effect of loop length and raw material on the air permeability and the bursting strength of plain knitted fabrics. In this study, a series of plain knitted fabrics were produced on a circular knitting machine with cotton, polyester, acrylic and viscose by Ne 30/1 yarns. Each fabric type was produced with four different stitch lengths. All the fabrics were knitted at the same machine setting in order to determine the effect of their structure on the fabric properties. Their geometrical and physical properties were experimentally investigated. The influences of the loop length and the raw material on the number of the courses per cm, number of the wales per cm, loop shape factor, thickness, fabric unit weight, tightness factor, air permeability and bursting strength are analyzed. Statistical analysis indicates that raw material and loop length significantly parameters affect the air permeability and the bursting strength properties of the fabrics.
Garments produced from denim-like knitted fabrics have been popular for few years because of the many advantages of knitted fabrics. To increase the worn-look denim appearance of these fabrics, washing treatments should be carried out. In this experimental study eight different washing treatments were applied to denim-like knitted fabrics produced from 18 different fleecy yarns. The bursting strength test was applied to the samples obtained and their strength losses calculated. At the end of the study, the most suitable washing treatment for denim-like knitted fabrics was selected, and according to the treatments applied, the best fabric type was chosen.
Ticari faaliyet gösteren bir işletmenin piyasa şartlarında varlığını sürdürebilmesi için üretmiş olduğu veya ticaretini sürdürdüğü ürününün birim maliyetini bilmesi gerekir. Birim maliyete etki eden direk ve direk olmayan unsurlar vardır. Bir örme işletmesinde birim maliyete etki eden unsurlar hammadde, enerji, işçilik, amortisman, bakım ve terbiye maliyetleridir. Birim zamanda üretilecek örmekumaş miktarı, ürünün desenine, özelliklerine, kullanılan iplik özelliklerine, terbiye işlemlerinin çeşitlerine ve kullanılacak makineye göre değişim gösterir. Bu çalışmada genellikle serbest zaman giysilerini üretmek için kullanılan iki iplikli (astarlı/fleece)ve elastanlı örme kumaşların birim maliyetini saniyeler içinde yapabilen bir maliyet hesaplayıcısı tasarlanmıştır. Bu hesaplayıcı yazılımın arayüzü Delphi 7 programlama dilinde Windows'a uyumlu olarak yazılmıştır. Çalışmada sunulan yazılımın örme kumaş üretiminde çalışan sanayiciler ve akademisyenler açısından faydalı olacağı düşünülmektedir.
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