Tool Wear in GGG50 Cast Iron Milling Environments

Year 2024, , 1506 - 1517, 31.07.2024

Abdulkadir Orak , Ali Kalyon

https://doi.org/10.29130/dubited.1353261

Abstract

In the present study, the impression of manufacturing parameters on cutting tool tip wear in the milling operation of GGG50 cast iron material with carbide coated cutting tool inserts was investigated. Taguchi orthogonal L18 experimental sequence was applied as the experimental design. As processing parameters; cutting speed, coolant and feed rate were chosen. In the test results, the amount of wear on the cutting tool tips was examined. Optimum processing multiparameters were determined by the Taguchi. Analysis of variance (ANOVA) was used to analyses the effect of input parameters on the cutting tool tip. Consequently, it has been determined that the wear is high in the working environment where the coolant is open and the cutting speed is high. In order to keep the cutting tool tip wear at a minimum level, the most suitable machining parameters are; coolant = closed, cutting speed = 160 mm/min, feed rate = 0.3 mm/rev. It was determined that the tip feed rate had little impression on tool wear.

Keywords

Milling, cast iron, tool wear, optimization, Taguchi, ANOVA

GGG50 Dökme Demir Frezeleme Ortamlarında Takım Aşınması

Abstract

Bu çalışmada GGG50 dökme demir malzemesinin karbür kaplanmış kesici takım uçlarla frezeleme işlemindeki imalat parametrelerinin takım aşınması üzerine etkisi incelenmiştir. Deney tasarımı olarak Taguchi ortogonal L18 deney dizisi uygulanmıştır. İşleme parametreleri olarak; soğutma sıvısı, kesme hızı ve ağız başı ilerleme seçilmiştir. Yapılan deney sonuçlarında kesici takım uçlarındaki aşınma miktarları incelenmiştir. Optimum işleme parametrelerinin belirlenmesi için Taguchi yöntemi kullanılmıştır. Giriş parametrelerinin kesici takım ucuna olan etkisini incelemek için varyans analizi (ANOVA) yapılmıştır. Sonuç olarak soğutma sıvısının açık ve kesme hızının yüksek olduğu çalışma ortamında kesici takım ucu aşınmasının yüksek olduğu belirlenmiştir. Kesici takım ucu aşınmasını en az seviyede tutmak için en uygun işleme parametrelerin; soğutma sıvısı = kapalı, kesme hızı = 160 mm/min, ağız başı ilerleme = 0.3 mm/rev olduğu saptanmıştır. Ağız başı ilerlemenin takım aşınmasına etkisinin çok az olduğu belirlenmiştir.

Keywords

Frezeleme, dökme demir, takım aşınması, optimizasyon, Taguchi, ANOVA

Supporting Institution

Döktaş Dökümcülük Ticaret ve San. A.Ş.

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