Journals / Politeknik Dergisi / 2016 / Cilt: 19 - Sayı: 4

Determination of the Bonding Strength on the Walnut and Pear Wood

Ceviz ve Armut Odunlarında Yapışma Direncinin Belirlenmesi

Pages
513–518
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

According to the results of the study, the highest bonding strength was obtained in walnut samples, glued with PVA (11.23 N/mm2) and planed to cutting direction while the lowest value was found from pear samples, were glued with PU (8,29 N/mm2) and planed to opposite of the cutting direction

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, tensile shear strength was determined for walnut (Juglans regia L.) and pear (Pirus communis L.) woods at 6, 9 and 12 m/min feed rate, cutting direction and opposite of cutting direction.
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Key Findings & Data:The test samples were planed with 4-blade, horizontal milling machines with 85 mm shaft diameter, 7200 rpm and the chip thickness of 1.4 mm Polyurethane (PU) and polyvinyl acetate (PVA) adhesives were used for bonding of the test samples.
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Conclusion & Impact:According to the results of the study, the highest bonding strength was obtained in walnut samples, glued with PVA (11.23 N/mm2) and planed to cutting direction while the lowest value was found from pear samples, were glued with PU (8,29 N/mm2) and planed to opposite of the cutting direction
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Yapışma direnci · çekmede makaslama testi · ceviz odunu

Abstract

In this study, tensile shear strength was determined for walnut (Juglans regia L.) and pear (Pirus communis L.) woods at 6, 9 and 12 m/min feed rate, cutting direction and opposite of cutting direction. The test samples were planed with 4-blade, horizontal milling machines with 85 mm shaft diameter, 7200 rpm and the chip thickness of 1.4 mm Polyurethane (PU) and polyvinyl acetate (PVA) adhesives were used for bonding of the test samples. Bonding strength was determined by applying tensile shear tests to the samples in accordance with TS EN 205 standard. According to the results of the study, the highest bonding strength was obtained in walnut samples, glued with PVA (11.23 N/mm2) and planed to cutting direction while the lowest value was found from pear samples, were glued with PU (8,29 N/mm2) and planed to opposite of the cutting direction

Özet

Bu çalışmada, 6, 9 ve 12 m/dk besleme hızında, kesiş yönünde ve kesiş yönüne ters besleme yapılarak rendelenen ceviz (Juglans regia L.) ve armut (Pirus communis L.) odunlarında yapışma direnci belirlenmiştir. Deney örnekleri 4 bıçaklı, 85 mm mil çapına sahip yatay freze makinesinde, 7200 devir/dakika ve 1,4 mm talaş kalınlığında rendelenmiştir. Örneklerin yapıştırılmasında poliüretan (PU) ve polivinilasetat (PVA) tutkallar kullanılmıştır. Yapışma direnci, TS EN 205 standartlarına göre örneklere çekmede makaslama deneyleri uygulanarak belirlenmiştir. Araştırma sonuçlarına göre, en yüksek yapışma direnci, mil dönüş yönünde rendelenerek PVA tutkal ile yapıştırılan cevizde (11,23 N/mm2), en düşük ise mil dönüş yönüne ters rendelenerek PU tutkal ile yapıştırılan armutta (8,29 N/mm2) elde edilmiştir.

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Cite This Article

SÖĞÜTLÜ, C. (2016). Determination of the Bonding Strength on the Walnut and Pear Wood. Politeknik Dergisi, Cilt: 19 - Sayı: 4, 513–518. https://ajindex.com/articles/306598

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