Hacı ERDOĞAN, Ahmet SAYRUGAÇ, Bekir YALÇIN

Tarımsal İlaçlamada X tipi Katlanabilen ve Geleneksel Kanatlarda Oluşan Gerilme-Gerinimin Tahmini ve Taguchi Analizi

Günümüz teknolojisinde, tarımsal ilaçlama makinelerinin genişliklerinin artmasıyla ilaç püskürtücü kanatların katlanma ve montaj usullerinde farklılaşmaya gidilmiştir. Orta ve uzun kanatlı ilaçlama makineleri, daha ekonomik ve hızlı ilaçlama avantajlarını sunmakla birlikte arazi, çevre koşulları ve düşük montaj rijitlik etkisiyle kanatlarda ürün ilaçlama kalitesini etkileyen stabilite problemlerine sebep olmaktadır. Bu çalışmada, tarımsal ilaçlama makinelerinde kullanılan X tipi katlanır kanatlar ile geleneksel kanatlar; tasarım farklılığı, farklı yüklemeler altında oluşan gerilme ve gerinim bakımından mukayese edilmiştir. Konuyla ilgili literatür araştırması yapıldıktan sonra, her iki kanat tipi tasarlanarak gerekli malzeme sabitlerine ve literatürde belirtilen farklı deplasman değerlerine göre yüklemeler altında yapısal sonlu elemanlar analizleri (FEA) yapılmıştır. Taguchi deney tasarımına göre yapılan FEA neticesinde; X tipi katlanan kanatta maksimum gerilme ve gerinimler püskürtücü kanadın kayar mekanizmaya montaj konstrüksiyonunda, geleneksel kanatlarda profillerin kaynaklı montaj bağlantılarında yoğunlaşmıştır. Ayrıca, FEA analiz sonuçları kullanılarak yapılan Taguchi analizi ile yorumlanarak imalata projeksiyon bilgiler elde edilmiştir.

Anahtar Kelimeler:

Tarımsal İlaçlama makineleri, X tipi katlanır kanatlar, sonlu elemanlar analizi, taguchi

Prediction of Stresses and Strains in of X type folding and Conventional Booms and Taguchi Analyses

In today technology, differentiation has been made in methods of boom folding and mounting methods with increased width of agricultural spraying machines. Spraying machines with middle and long booms offer advantage of more economical and fast spraying and cause stability problems affecting plant spraying quality due to terrain and environment condition, and also low rigid fixing. In this study, X type folding boom compared with conventional boom in terms of stresses and strains and also design differences. After doing literature surveys, the X type and conventional spraying booms were designed and then the structural finite elements analyses (FEA) were performed by defining of materials constants and under the determined loading according to displacements of booms mentioned in literature. As results of FEA analyses with Taguchi experimental design; the obtained stresses and strains focused on the mounting construction to sliding mechanism of agriculture spraying machine, on the other hand, stresses and strains localized on welding connection of boom profiles. The projection information obtained with interpreting of the Taguchi analyses using FEA results to manufacturing of sprayer boom.

Keywords:

Agricultural spraying machine, X type folding boom, finite elements anayses, taguchi,

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