Sert malzemelerin tornalanmasında takım aşınmasının tepki yüzeyi metodolojisi ile incelenmesi

Yıl 2018, Cilt: 33 Sayı: 4, 1299 - 1308, 19.12.2018

Dilek Murat , Cihat Ensarioğlu , Necmi Gürsakal Ali Oral , M. Cemal Çakır

https://doi.org/10.17341/gazimmfd.416427

Cited By: 3

https://izlik.org/JA82YX74LY

Öz

Bu çalışmada, çekirdeğine kadar 62 HRC sertliğine sertleştirilmiş soğuk iş takım çeliği iş parçalarının (AISI D2) kaplamalı seramik takımlarla (CNGA 120404 KY4400) tornalanması işlemlerinde takım aşınması – kesme parametreleri (kesme hızı, V_c; ilerleme, f; kesme derinliği, a_p) ilişkisi incelenmiştir. Tepki Yüzeyi Metodolojisi’nde (TYM) kullanılan Merkezi Bileşik Tasarım (MBT) ile deney planlaması yapılarak, modelleme ve analiz gerçekleştirilmiştir. Kesme hızı en etkili faktör olmak üzere; kesme hızı ve ilerlemedeki düşüşün, takım aşınmasını azaltacağı gözlenmiştir. Kesme derinliğinin ise, aşınma üzerinde anlamlı bir etkisine rastlanmamıştır. Çalışmanın sonunda, optimum takım aşınması değeri ve bu değere ulaşmak için gerekli kesme parametresi seviyeleri belirlenmiştir. 

Anahtar Kelimeler

Sert malzeme tornalama , takım aşınması , Tepki Yüzeyi Metodolojisi , Merkezi Bileşik Tasarım

Kaynakça

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