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Gerçek zamanlı görüntüleme sistemi vasıtasıyla sertlestırilmiş aısı 4340 çeliğinin farklı kesme parametreleri kullanılarak işlenmesinde CBN kesici takımların aşınma davranışlarının incelenmesi

Investigation of flank wear behaviours of CBN cutting tool in hard turning hardened aisi 4340 steel by using different cutting parameters through real-time monitoring system
Authors: Kahraman, Mehmet Fatih;

Gerçek zamanlı görüntüleme sistemi vasıtasıyla sertlestırilmiş aısı 4340 çeliğinin farklı kesme parametreleri kullanılarak işlenmesinde CBN kesici takımların aşınma davranışlarının incelenmesi

Abstract

Kesici takım kenar aşınmasında, malzemenin işlenebilirliği hakkında değerlendirilmesi için önemli bir kriterdir. Bu çalışmada, CBN (kübik born nitrür) kesici takım ile sertleştirilmiş AISI 4340 (51-53 HRC) düşük alaşımlı çelik malzeme üzerinden sert malzemelerin tornalanması işlemiyle (HT) talaş kaldırma işlemi sırasında kesici uç aşınmasının, kesme hızı ve ilerleme hızı gibi faktörlerin etkilerini geliştirmek üzere araştırımalar yapılmıştır. Kesici takım uç aşınması, kesici takım ömrünü dolayısıyla, üretim zamanını etkilemektedir. On-line izleme yönteminden dolayı kesici takım uç aşınması ölçümü deneyi durdurmadan ölçüm yapma imkanı sunarmaktadır. Ayrıca görüntüleme sistemi düşük maliyetli sensör kullanımıyla gerçekleştirilmiştir. Bu deneyler, 180 ve 250 m/dak kesme hızında, 0.04, 0.08, 0.12 mm/dev ilerleme hızında ve 0.2 mm kesme derinliğinde gerçekleştirilmiştir. En önemli kesme parametresi Varyans analiz (ANOVA) yöntemiyle kullanılarak gerçekleştirilmiştir. Kesici uç aşınmasını çoğunlukla kesme hızı parametresi etkilemektedir.

Tool flank wear is an important criterion for machinability assessment of a material. The present work is an attempt to evaluate the influence of factors such as cutting speed and feed rate on flank wear during hard turning (HT) of hardened AISI 4340 high strength low alloy steel (51-53 HRC) with CBN cutting tools. Cutting tool flank wear is known to affect tool life, hence production time. Because of this on-line tool flank wear measurement continuously and monitoring system has been developed using a low cost sensor. These experiments were made in 180 and 250 m/sn cutting speed, 0.04, 0.08 and 0.12 mm/rpm feed rate and 0,2 mm depth of cut. Highly significant parameters were determined by performing the method of Analysis of Variance (ANOVA). The tool flank wear get affected mostly by cutting speed.

97

Country
Turkey
Keywords

Mechanical Engineering, Makine Mühendisliği

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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