The performance of 3d printed dowel with three different surface designs in furniture joints

Year 2024, Volume: 25 Issue: 1, 100 - 106, 30.03.2024

Samet Demirel , Nazmiye Tuğçe Kuvel , Kutay Çava , Mustafa Aslan

https://doi.org/10.18182/tjf.1387389

Abstract

The shear strengths of the joints produced by using Poly Lactic Acid (PLA), PLA+ Thermoplastic Polyurethane (TPU), and resin (Acrylic Photopolymer) with three different surface design of the dowels including, grooved, straight, and cross were investigated compared, wood and plastic dowels. The Results indicated that among L-type furniture joints, those manufactured from PLA and conventional wood dowels displayed the highest shear resistance, followed by L-type furniture joints with dowels made from PLA+TPU, resin, and plastic. Generally, differences in dowel patterns did not have a statistically significant impact on the shear resistance of L-type joints, except for the straight pattern dowels made of resin, which exhibited a statistically higher shear resistance than the grooved pattern dowels. Regarding the failure mode results, only PLA, PLA+TPU, and wooden dowels showed signs of elongation and crushing within the dowel holes. Conversely, in joints using dowels produced from resin and plastic, the dowels broke under shear stress, without displaying elongation, and did not leave any evidence of crushing in the dowel holes. Overall, the results of the study indicated that dowels made only PLA exhibited similar shear resistance compared to conventional wood dowels. Additionally, the study demonstrated that 3D-printed dowels were stronger than conventional plastic dowels.

Keywords

Dowel, Furniture joint, 3D printing, PLA, TPU, Resin

Üç farklı yüzey tasarımına sahip 3d baskılı kavelaların mobilya birleşme yerlerindeki performansları

Abstract

Yivli, düz ve çapraz olmak üzere üç farklı yüzey tasarımına sahip kavelaların sadece PLA, PLA+TPU, Reçine (Akrilik Fotopolimer) kullanılarak üretilen birleşim yerlerinin makaslama (kesme) mukavemetleri ahşap ve plastik kavelalarla karşılaştırılarak incelenmiştir. Sonuçlar, L tipi mobilya birleşme yerlerinde PLA ve geleneksel ahşap kavelalardan üretilenlerin en yüksek kesme direncini sergilediğini, bunu PLA+TPU, reçine ve plastikten yapılan kavelalardan üretilen L tipi mobilya birleşme yerlerinin izlediğini göstermiştir. Genel olarak, yivli desenli kavelaların istatistiksel olarak daha yüksek kesme direnci sergileyen reçineden yapılmış düz desenli kavelalar dışında, kavela desenlerindeki farklılıklar L tipi birleşme yerlerinin kesme direnci üzerinde istatistiksel olarak anlamlı bir etkiye sahip olamamıştır. Kırılma modu sonuçlarına ilişkin olarak, yalnızca PLA, PLA+TPU ve ahşap kavelalarda, kavela deliklerinde uzama ve ezilme belirtileri görülmüştür. Bunun tersine, reçine ve plastikten üretilen kavelaların kullanıldığı birleşme yerlerinde kavelaların kesme gerilimi altında uzama göstermeden kırılmış ve kavela deliklerinde herhangi bir ezilme izi bırakmamıştır. Genel olarak çalışmanın sonuçları, yalnızca PLA'dan yapılan kavelaların, geleneksel ahşap kavelalarla karşılaştırıldığında benzer kesme direnci sergilediğini göstermiştir. Ayrıca çalışma, 3D baskılı kavelaların geleneksel plastik kavelalardan daha güçlü olduğunu göstermiştir.

Keywords

Kavela, Mobilya birleşme yeri, 3D baskı, PLA, TPU, Reçine

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