KALİTE KONTROLDE YANIT YÜZEY DESENLERİ: İPLİK DÜZGÜNSÜZLÜĞÜ ÖRNEĞİ

Bu çalışmada, yanıt yüzey desenlerinin elverişli bölge ile beraber kullanılmasının, hammaddenin bilinen özelliklerinden ürünün belli bir özelliğinin tahminlenmesinde etkili bir araç olduğu, tekstil literatüründe bir ilk olarak bu çalışmada ortaya konulmuştur. Bu araştırmada, bir pamuk ipliği fabrikasının gerçek üretim verileri kullanılmıştır. Hem kops hem bobin halindeki iplik için, yanıt değişkeni (iplik düzgünsüzlüğü) ve etken faktörler (lif özellikleri) arasındaki ilişkinin elde edilmesi için 3-boyutlu grafik olan yanıt yüzey desenleri elverişli bölge ile beraber kullanılmıştır. Sonuç olarak, özgün bir metod olan yanıt yüzey desenlerinin elverişli bölge ile beraber kullanılmasının değerli sonuçlar verdiği, tahminlenme için etkili olduğu, tekstil kalite kontrolu için faydalı olduğu ve istatistiksel kalite kontrolu yapan bir bilgisayar programının içine eklendiği zaman endüstrinin diğer dallarında da yaygın olarak kullanılabileceği belirlenmiştir.

Anahtar Kelimeler:

Deneme Desenleri, Yanıt Yüzey Deseni, Elverişli Bölge, Merkezi Bileşen Deseni (CCD), İplik Düzgünsüzlüğü

RESPONSE SURFACE DESIGNS IN QUALITY CONTROL: YARN IRREGULARITY EXERCISE

It is proposed that response surface designs with feasable region is an effective tool in prediction of a specific property of a product from the known properties of raw material, with a yarn irregularity exercise, for the first time in textile literature in this paper. The data used in this research is obtained from a cotton yarn spinning mill, being real production data. Response surface designs with feasible region are used to obtain the relationship between the response variable (yarn irregularity) and effecting factors (fiber properties) in 3D graphs and contour lines both for yarn in bobbin and cop form separately. It is concluded that this novel method of response surface designs with feasible region provides valuable results, is effective in prediction, is benificial in textile quality control, and can also be widely used in other industry branches when it is incorporated into a statistical quality control computer program.

Keywords:

Design of Experiments, Response Surface Design, Feasible Region, Central Composite Design (CCD), Yarn Unevenness,

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