Hüseyin Gazi TÜRKSOY, Sümeyye ÜSTÜNTAĞ, Münevver Ertek AVCI

OPTIMIZATI N OF COATING PROCESS PARAMETERS FOR COLOR DIFFERENCE AFTER ABRASION OF DENIM FABRIC S BY USING TAGUCHI METHOD

ABSTRACT: The study presents an investigation on the optimizing of various coating process parameters for color difference afterabrasi on of denim fabrics by using Taguchi method. The parameters elected for optimization are squeeze pressure, viscsity ofcoating fluid, fabric passing speed, drying temperature and weft density. An L27 (35) orthogonal array wasch sen as experimentalplan. In the evaluations with Taguchi Method, analyses of the signal to noise ratio (S /N) and variance (ANOV A) were used . It wasfound that the mo st effective input parameter for color difference is drying temperature. Also , the satisfying combination forminimum color difference was determined as 17 picks/cm weft density, 120°C drying temperature, 30 dPa.s viscosity, 5 bar queeze pressure, 10 m/min fabric passin speed.

DENİM KUMAŞLARININ AŞINMA SONRASI RENK FARKLILIĞI İÇİN KAPLAMA İŞLEM PARAMETRELERİNİN TAGCHI YÖNTEMİ İLE OPTİMİZASYON

Bu çalışma, denim kumaşların aşınma sından sonra görülen renk arklılığı için çeşitli kaplam a işlem para metrelerinin optimize edilme si üzerine bi r araştırma sunmaktadır. Optimizasyon için seçilen parametreler, sıkma basıncı , kaplama ma ddesinin viskozitesi, kumaşın geçiş hızı, kurutma sıcaklığı ve atkı ıklığıdır. Deney planı olarak L27 (35) ortogonal dizini seçilmiştir. Taguchi Me odu ile yapılan değerlendirmelerde sinyal-gürültü ora nı (S/N) ve varyans (ANOVA) analiz kullanılmıştır. Renk farkı için en etkili girdi parametresinin kurtma sıcaklığı olduğu bulu nmuştur. Ayrıca, minimum renk farkı için tatmin edici kombinasyon, 17 tel/ cm atkı yoğunluğu, 120°C kurutma sıcaklığı, 30 dPa.s viskozite, 5 bar sıkma basıncı, 10 m/dak kumaş geçiş hızı olarak belirlenmiştir.

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