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Journals / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi / 2009 / Cilt: 24 - Sayı: 4

Determination of the parameters providing optimum tool life by Taguchi technique and observation of tool wear in the machining of AISI 1050 and AISI 4140 steels with the ceramic cutting tools

Ç1050 ve Ç4140 çeliklerinin seramik takımlarla işlenmesinde optimum takım ömrünü sağlayan parametrelerin Taguchi yöntemiyle belirlenmesi ve takım aşınmalarının incelenmesi

Ali Rıza MOTORCU
Pages
699–708
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

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

The results indicated that the workpiece hardness, cutting speed, cutting speed-feed rate interaction, cutting speed-workpiece hardness interaction, dept of cutcutting tool hardness interaction, feed rate-workpiece hardness interaction and feed rate were found out to be the most effective factors among control factors on tool life.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, the effects of cutting parameters and the effects of workpiece hardness and tool hardness on tool life and tool wear have been investigated in machining of AISI1050 and AISI4140 steels by uncoated and coated ceramic cutting tools.
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Key Findings & Data:The results indicated that the workpiece hardness, cutting speed, cutting speed-feed rate interaction, cutting speed-workpiece hardness interaction, dept of cutcutting tool hardness interaction, feed rate-workpiece hardness interaction and feed rate were found out to be the most effective factors among control factors on tool life.
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Conclusion & Impact:In machining AISI1050 and AISI4140 steels, notch wear, flank wear and crater wear observed on ceramic tools.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, the effects of cutting parameters and the effects of workpiece hardness and tool hardness on tool life and tool wear have been investigated in machining of AISI1050 and AISI4140 steels by uncoated and coated ceramic cutting tools. Optimum cutting conditions for maximum tool life were determined using the Taguchi technique. Predictive tool life equations were derived. In addition, types of tool wear were observed by shown worn surfaces with a scanning electron microscope (SEM). The results indicated that the workpiece hardness, cutting speed, cutting speed-feed rate interaction, cutting speed-workpiece hardness interaction, dept of cutcutting tool hardness interaction, feed rate-workpiece hardness interaction and feed rate were found out to be the most effective factors among control factors on tool life. It is observed that the second order predictive equation provided more reliable results. In machining AISI1050 and AISI4140 steels, notch wear, flank wear and crater wear observed on ceramic tools.

Özet

Bu çalışmada, Ç1050 ve Ç4140 çeliklerinin kaplamasız ve kaplamalı seramik kesici takımlarla işlenmesinde, kesme parametreleri ile iş parçası ve takım sertliklerinin, takım ömrü ve takım aşınması üzerindeki etkileri araştırılmıştır. Taguchi Tekniği kullanılarak en yüksek takım ömrü değerlerini veren optimum kontrol faktörleri belirlenmiştir. Tahminsel takım ömrü denklemleri çıkartılmıştır. Ayrıca, aşınmış uçların SEM görüntüleri incelenerek takım aşınma tipleri belirlenmiştir. Deneysel sonuçlar, sırasıyla iş parçası sertliği, kesme hızı, kesme hızı-ilerleme miktarı etkileşimi, kesme hızı-iş parçası sertliği etkileşimi, talaş derinliği-kesici takım sertliği etkileşimi, ilerleme miktarı-iş parçası sertliği etkileşimi ve ilerleme miktarının takım ömrü üzerinde en etkili faktörler olduğunu göstermiştir. Faktör etkileşimlerinin yer aldığı ikinci dereceden tahminsel denklem daha güvenilir sonuçlar vermiştir. Ç1050 ve Ç4140 çeliklerinin seramik takımlarla işlenmesinde çentik, yan kenar ve krater aşınması gözlenmiştir.

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Cite This Article

MOTORCU, A. R. (2022). Determination of the parameters providing optimum tool life by Taguchi technique and observation of tool wear in the machining of AISI 1050 and AISI 4140 steels with the ceramic cutting tools. Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, Cilt: 24 - Sayı: 4, 699–708. https://ajindex.com/articles/523886

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