Al 6061-T6 Alaşımının Delinmesinde Proses Parametrelerinin ve Matkap Geometrisinin Performans Analizi

Yıl 2024, , 2043 - 2059, 02.10.2024

Cihat Özdemir , Barış Özlü , Halil Demir

https://doi.org/10.2339/politeknik.1535204

Öz

Bu çalışmada, AA 6061-T6 alaşımının farklı kesme parametreleri ve farklı matkap helis açıları ile delinmesine odaklanılmıştır. Delme performansı ortaya çıkan yüzey pürüzlülüğü (Ra), kesme sıcaklığı (T) ve enerji tüketimi (ET) açısından değerlendirilmiştir. Delme deney tasarımı Taguchi yönteminin L27 ortogonal dizisi kullanılarak hazırlanmıştır. Kesme parametreleri ve matkap helis açıları Ra, T ve ET değerleri kullanılarak optimize edilmiştir. Deney sonuçları ilk olarak üç boyutlu grafikler ile değerlendirilmiştir. Elde edilen veriler sinyal/gürültü oranı (S/N), varyans analizi (ANOVA) ve regresyon analizi kullanılarak istatistiksel olarak analiz edilmiştir. Bunlara ek olarak, Gri İlişkisel Analiz (GRA) kullanılarak Ra, T ve ET değişkenleri birlikte optimize edildi. Bu çalışmanın sonucunda, optimum Ra, T ve ET değerlerine sırası ile A3B3C1, A1B1C1 ve A1B3C3 deney kombinasyonlarında ulaşılmıştır. Ra, T ve ET üzerine en etkin parametre sırası ile 54.93% f, 52.02% Vc ve 68.12% f olduğu görülmüştür. GRA analizi sonucu Ra, T ve ET için optimum deney kombinasyonu A1B1C1 olmuştur. Analizler sonucu geliştirilen matematiksel modeller ile tahmin edilen sonuçlar yüksek doğrulukta sonuçlar verdiği görülmüştür. Ayrıca matkap uçlarında genel olarak BUE ve talaş yapışmaların oluştuğu görülmüştür.

Anahtar Kelimeler

Al 6061-T6 Alaşımı, Yüzey Pürüzlülüğü, Kesme Sıcaklığı, Enerji Tüketimi, Taguchi Yöntemi ve Grey İlişkisel Analizi

Destekleyen Kurum

Karabük Üniversitesi Bilimsel Araştırma Projeleri Birimi

Teşekkür

Bu çalışma Karabük Üniversitesi Bilimsel Araştırma Projeleri Birimi tarafından desteklenmektedir (KBÜ-BAP-FYL-2020-2400) ve yazarlar bu destekten dolayı teşekkürlerini sunarlar.

Performance Analysis of Process Parameters and Drill Geometry in Drilling AA 6061-T6 Alloy

Öz

This study focuses on drilling AA 6061-T6 alloy with different cutting parameters and different drill helix angles. Drilling performance was evaluated in terms of resulting surface roughness (Ra), cutting temperature (T) and energy consumption (SEC). The drilling experiment design was prepared using the L27 orthogonal array of the Taguchi method. Cutting parameters and drill helix angles were optimized using Ra, T and SEC values. Experimental results were first evaluated with three-dimensional graphics. The obtained data were statistically analyzed using signal/noise ratio (S/N), analysis of variance (ANOVA) and regression analysis. In addition, Ra, T and SEC variables were optimized together using Grey Relational Analysis (GRA). As a result of this study, optimum Ra, T and SEC values were reached in A3B3C1, A1B1C1 and A1B3C3 experimental combinations, respectively. The most effective parameters on Ra, T and SEC were found to be 54.93% f, 52.02% Vc and 68.12% f, respectively. The optimum experimental combination for Ra, T and SEC was A1B1C1 as a result of GRA analysis. The results predicted by the mathematical models developed as a result of the analysis were found to yield high-accuracy results. In addition, it was observed that BUE and chip adhesion generally occurred in the drill bits.

Anahtar Kelimeler

Al 6061-T6 Alloy, Surface Roughness, Cutting Temperature, Energy Consumption, Taguchi Method and Gray Relational Analysis

Destekleyen Kurum

Scientifc Research Project Unit of Karabük University

Teşekkür

This study is supported by Scientifc Research Project Unit of Karabük University (KBÜ-BAP-FYL-2020-2400), and the authors express their appreciation for this support.

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