Üç Boyutlu Baskı ile Farklı Katman Yüksekliklerinde Üretilmiş PLA, PET-G ve ABS Parçaların Boyutsal Doğruluğu Üzerine Bir Araştırma

Bu çalışmada, PLA, PET-G ve ABS'den 3D baskılı çekme testi numunelerinin boyutsal doğruluğuna filament tipi ve katman yüksekliğinin etkisi derinlemesine araştırılmıştır. Eriyik filament üretimi teknolojisine dayalı olarak, çeşitli katman yüksekliklerinde (0,2 mm, 0,3 mm ve 0,4 mm) çekme test numuneleri üretilirken, meme ve bina platform sıcaklığı dışındaki diğer parametreler sabit tutulmuştur. Üretilen test numunelerinin uzunluk, genişlik ve yükseklik değerleri ölçülerek, elde edilen sonuçlar tasarım boyutları ile karşılaştırılarak her bir numunenin boyutsal doğruluğu gözlemlenmiştir. Ayrıca, nihai yüzey kalitelerini incelemek için numuneler üzerinde yüzey pürüzlülük ölçümleri yapılmıştır. Boyutsal ölçümlerden en doğru sonuçların PET-G (uzunlukta ve yükseklikte) ve PLA (genişlikte) numuneleri için kaydedildiği görüldü. Ayrıca PLA numunelerinde diğer filamentlere kıyasla en iyi yüzey kalitesi elde edilmiştir.

Anahtar Kelimeler:

Boyutsal doğruluk, Eriyik filament üretimi, PLA, PET-G, ABS

An Investigation on Dimensional Accuracy of 3D Printed PLA, PET-G and ABS Samples with Different Layer Heights

In this study, the effect of filament type and layer height on the dimensional accuracy of the 3D printed tensile test samples from PLA, PET-G, and ABS was investigated in depth. Based on the fused filament fabrication (FFF) technology, tensile test samples were produced with various layer heights (0.2 mm, 0.3 mm, and 0.4 mm) while the other printing parameters were kept constant, except for nozzle and building platform temperature. Length, width, and height values of the produced test samples were measured, and obtained results were compared with design dimensions to observe the dimensional accuracy of each sample. Also, surface roughness measurements were performed on the samples to examine their final surface quality. From dimensional measurements, it was seen that the most accurate results were recorded for PET-G (in length and height) and PLA (in width) samples. Furthermore, the best surface quality was attained in PLA samples compared to other filaments.

Keywords:

Dimensional accuracy, Fused filament fabrication, PLA, PET-G, ABS,

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