Abstract
Fused deposition modelling is one of the most prevalent rapid prototyping technology which is used to construct working parts of difficult geometry. With more development in the technology, it is now widely used for manufacturing quality parts. To get more realistic data from prototype testing, it is essential that the prototypes manufactured from FDM have properties similar to production quality parts. There is thus a need to study the mechanical properties of parts fabricated from FDM and how different process parameters affect these properties. The objective of this research is to focus on a comparative study on the effect of process parameters like infill density, layer thickness and β-angle on impact strength of FDM Specimens printed in honeycomb and rectilinear infill patterns with acrylonitrile butadiene styrene (ABS) as print material. From the experiments we could conclude that increase in infill density and layer thickness results in higher impact strength. Also, honeycomb pattern exhibit better impact strength than rectilinear pattern.
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