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Journals / Politeknik Dergisi / 2026 / Cilt: 27 Sayı: 5

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

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

Cihat Özdemir(KARABÜK ÜNİVERSİTESİ, FEN BİLİMLERİ ENSTİTÜSÜ)0000-0002-0083-0165
Barış Özlü(AKSARAY ÜNİVERSİTESİ)0000-0002-8594-1234
Halil Demir(KARABÜK ÜNİVERSİTESİ, TEKNOLOJİ FAKÜLTESİ)0000-0002-9802-083X
Pages
2043–2059
Publication Date
2024-10-02
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In addition, it was observed that BUE and chip adhesion generally occurred in the drill bits.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This study focuses on drilling AA 6061-T6 alloy with different cutting parameters and different drill helix angles.
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Key Findings & Data:Drilling performance was evaluated in terms of resulting surface roughness (Ra), cutting temperature (T) and energy consumption (SEC).
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Conclusion & Impact:In addition, it was observed that BUE and chip adhesion generally occurred in the drill bits.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Al 6061-T6 Alaşımı · Yüzey Pürüzlülüğü · Kesme Sıcaklığı

Abstract

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.

Özet

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.

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Cite This Article

Özdemir, C., Özlü, B., Demir, H. (2024). Performance Analysis of Process Parameters and Drill Geometry in Drilling AA 6061-T6 Alloy. Politeknik Dergisi, Cilt: 27 Sayı: 5, 2043–2059. https://doi.org/10.2339/politeknik.1535204

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