Eklemeli İmalat ile Üretilen Baş Üstü Dolabı Kilit Yuvası Parçalarının Yüzey Pürüzlülüğünün Değerlendirilmesi

Öz

Eklemeli imalat yöntemlerinin endüstriyel uygulamaları gün geçtikçe artmakta ve kullanım alanları genişlemektedir. Havacılık endüstrisinde de bu yöntemin kullanımı hafiflik, üretim kolaylığı, parça başı maliyet vb. konularda büyük avantajlar sağlayabilmektedir. Uçak kabinleri içerisinde yer alan komponentler tüm uçak ağırlığının yaklaşık yüzde 10’unu oluşturmaktadır ve bu komponentlerin birçoğu yolcuların görebileceği alanlarda yer almaktadır. Bu bağlamda kabinde yer alan parçaların görünümleri önem arz etmektedir ve eklemeli imalat ile üretilen kabin içi parçaların da uygun yüzey kalitesine sahip olması gerekmektedir. Bu çalışmada, eriyik yığma modelleme (FDM) ve seçici lazer sinterleme (SLS) yöntemiyle üretilen kilit yuvası parçalarına uygulanan çeşitli yüzey işlemleri sonrası yüzey pürüzlülükleri test edilmiştir. Pürüzlülük ölçümü ve üç boyutlu yüzey topografilerinin incelenmesi için mekanik profilometre ve optik profilometre cihazları kullanılmıştır. Üretim yöntemi ve uygulanan işlemler göz önünde bulundurularak yüzey kalitesi açısından orijinal ürünün yerine kullanılabilecek alternatif malzemeler arasında bir değerlendirme yapılmıştır.

Anahtar Kelimeler

• Eklemeli imalat
• Yüzey Pürüzlülüğü
• Uçak
• Kabin İçi

Evaluation of Surface Roughness of Additively Manufactured Overhead Bin Latch Housings

Öz

Additive manufacturing (AM) is extensively used in industry with its expanding application areas. The use of additive manufacturing in the aviation industry offers a series of advantages such as lightweight, ease of production and cost effectiveness. Cabin interior components of an airplane constitute approximately 10 percent of its entire weight, and many of these items are visible to passengers. Therefore, the appearance of these parts is an important concern. In this context, it is important to manufacture additively manufactured cabin interior parts with good surface quality since it is challenging to achieve optimal surface finish. In this study, surface roughness of overhead bin latch housings were compared which were manufactured with Selective Laser Sintering (SLS) and Fused Deposition Modeling (FDM). Mechanical profilometer and optical profilometer were used for measurement of roughness values and obtaining surface topography. Considering the manufacturing method and surface finish processes, an evaluation was conducted to assess alternative materials for replacing the original product.

Anahtar Kelimeler

• Additive Manufacturing
• Surface Roughness
• Aircraft
• Cabin interior

Kaynakça

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