Design of Used PET Bottles Crushing Machine for Small Scale Industrial Applications

Yıl 2017, Cilt: 3 Sayı: 3, 157 - 168, 26.09.2017

Aniekan E. Ikpe Owunna Ikechukwu

https://doi.org/10.19072/ijet.327166

Cited By: 2

Öz

In this study, PET bottles crushing machine was
designed to convert used PET bottles into shreds readily available for
recycling. Preliminary tests and mechanical factors were extensively evaluated
on the conceptual designs to ensure that the concept with optimal performance
and efficiency is selected. Experimental test was conducted to determine the
power required to overcome the shear stress of the PET bottles and it was found
out that 10hp was the power required. With a set of crushing forces ranging from
1000-3000N, Finite Element Analysis (FEA) was performed for five different
scenarios on the 201
Annealed Stainless Steel cutting blade to inspect the material response to stresses
and corresponding deformations. The maximum von Mises stress was 2.089e+006N/m^2.
The material yield strength was found to be 2.92e+008 N/m^2, and applying a force of 3000N on the cutting
blade produced a maximum displacement of 2.220e-003 mm.  This therefore imply that the material will
not deform or fail under a force equal to or below the material yield strength
value. Tests carried out on the final machine design indicated efficiency
of 82.2% which is only 6% less than the efficiency of existing ones.

Anahtar Kelimeler

PET bottles, Crushing, Design, Machine, non-biodegradable, enviroment

Kaynakça

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