Örme Kumaşların Fiziksel Özelliklerinin Dikiş Makinesi İğnelerinin Isınmasına Etkilerinin Analizi

Öz

Hazır giyim sanayisinde artan talep dolayısıyla endüstriyel dikiş makineleri 2000-3000 devirlerde varan yüksek hızlarda çalışmaktadır. İğne sıcaklığı makine hızı, iplik tansiyonu, kumaş özellikleri gibi birçok parametreden etkilenerek 300 oC sıcaklıklara ulaşarak dikiş kalitesi ve verimliliğini olumsuz yönde etkileyen en önemli problemlerden birisidir. Bu çalışmada, örme kumaşlarda iğne ile tekstil yüzeyi arasındaki sürtünmeden kaynaklanan ısı ve ısıyı etkileyen kumaş özellikleri incelenmektedir. Çalışmada dört farklı örgü tekniğine ve on iki farklı ağırlık, kalınlık, karışım özelliğine sahip örme kumaşlar kullanılmıştır. İğne üzerindeki ısıyı ölçmek için Optris CT3M pirometre kullanılmıştır. Sonuçlar şöyle özetlenebilir: tüm örme kumaşlarda, kumaş ağırlığı ve kalınlığındaki artışın iğne sıcaklığı değerleri ile bağlantılı bir artışa neden olduğu gözlemlenmiştir. 90 oC üzerindeki iğne sıcaklık değerleri en yüksek sıcaklık değerleri 1.31 mm kumaş kalınlığı ve 340 g/m2 kumaş ağırlığı ile TF2 kodlu üç iplik kumaşta elde edilirken, 100 g/m2 kumaş ağırlığı ve 0.39 mm ile en hafif ve en ince kumaş türünde 66 oC ve altındaki en düşük iğne sıcaklıkları elde edilmiştir. Bunların yanında kumaş dikiş yoğunluğu ile iğne ısısı arasında anlamlı bir ilişki bulunmamıştır.

Anahtar Kelimeler

• Dikiş makinesi iğnesi
• Isınma
• Örme kumaş
• Fiziksel özellikler

Analysing The Effects of Knitted Fabrics Physical Properties to The Heating of Sewing Machine Needles

Öz

Due to the increasing demand in the clothing industry, industrial sewing machines operate at high speeds ranging from 2000 to 3000 revolutions per minute. One of the most significant problems that adversely affect the stitching quality and efficiency is the needle temperature, which reaches up to 300 oC and is influenced by various parameters such as machine speed, thread tension, and fabric properties. In this study, the heat generated from the friction between the needle and the textile surface in knitted fabrics and the fabric properties affecting heat are examined. Four different knitting techniques and twelve different knitted fabrics with varying weights, thicknesses, and blend properties were used. An Optris CT3M pyrometer was employed to measure the temperature on the needle. The results can be summarized as follows: in all knitted fabrics, an increase in fabric weight and thickness was observed to correspond to an increase in needle temperature values. The highest needle temperature values above 90 oC were obtained in TF2-coded three-thread fleece fabric with a fabric thickness of 1.31 mm and a fabric weight of 340 g/m2, while the lowest needle temperatures of 66 oC and below were achieved in the lightest and thinnest fabric with a fabric weight of 100 g/m2 and a thickness of 0.39 mm. Additionally, no significant relationship was found between fabric stitching density and needle temperature.

Anahtar Kelimeler

• Sewing machine needle
• Heating
• Knitted fabric
• Physical properties

Kaynakça

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