Exploring the Tribological Performance of Mist Lubrication Technique on Machinability Characteristics During Turning S235JR Steel

Yıl 2024, Cilt: 5 Sayı: 3, 276 - 283

Rüstem Binali , Havva Demirpolat , Mustafa Kuntoğlu , Kübra Kaya

https://doi.org/10.52795/mateca.1541090

Öz

The main challenges in turning are the quality of the machined part and the cost of tooling. Therefore, optimum machining parameters suitable for turning operations should be selected to achieve the desired quality of the finished product with reduced machining time and cost. The aim of this study is to determine the optimum machining conditions for S235JR low carbon steel without heat treatment, which could include finding the right combination of cutting speed, feed rate, depth of cut and tool material to achieve efficient material removal and desired surface finish. The experimental study, designed with the full factorial method, was carried out with 2 factors of cutting speed and feed rate with selected 2 levels under dry and MQL cutting environment conditions. Results of this study showed that mist lubricating technique overcome the machinability challenges of S235JR steel in terms of low surface quality and high cutting temperature and cutting force.

Anahtar Kelimeler

Cutting force, Cutting temperature, Surface roughness

S235JR Çeliğinin Tornalanması Sırasında Yağ Püskürtme Yönteminin İşlenebilirlik Özellikleri Üzerindeki Tribolojik Performansının Araştırılması

Öz

Tornalamadaki ana zorluklar, işlenmiş parçanın kalitesi ve takım maliyetidir. Bu nedenle, daha az işleme süresi ve maliyeti ile bitmiş üründe istenen kaliteyi elde etmek için tornalama işlemlerinde uygun ideal işleme parametreleri seçilmelidir. Bu çalışmanın amacı, verimli talaş kaldırma ve istenilen yüzey kalitesini elde etmek için kesme hızı, ilerleme hızı, kesme derinliği ve takım malzemesinin doğru birleşimini bulmayı içerebilecek, ısıl işlem uygulanmayan S235JR düşük karbonlu çelik için ideal işleme koşullarını belirlemektir. Tam faktöriyel yöntemle tasarlanan deneysel çalışma, kuru ve MQL kesme ortamı koşullarında 2 faktörlü kesme hızı ve ilerlemenin 2 seviyesi seçilerek gerçekleştirilmiştir. Bu çalışmanın sonuçları yağ püskürtme tekniğinin S235JR çeliğinin düşük yüzey kalitesi, yüksek kesme sıcaklığı ve kesme kuvveti açısından işlenebilirlik zorluklarının üstesinden gelebildiğini göstermiştir.

Anahtar Kelimeler

Kesme kuvveti, Kesme sıcaklığı, Yüzey pürüzlülüğü

Kaynakça

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