Influence of Process Parameters on Mechanical Properties and Printing Time of FDM PLA Printed Parts Using Design of Experiment
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 7
Abstract
Fused deposition modeling (FDM) is one of the most popular additive manufacturing technologies for various engineering applications. FDM is an additive manufacturing technique for rapid prototyping which can build complex parts in time with minimal human intervention. The quality of FDM processed parts mainly depends on careful selection of process variables. Thus, identification of the FDM process parameters that significantly affect the quality of FDM processed parts is important. This requires a large number of experiments to be determined. This paper presents a study on the influence of three FDM process parameters (layer thickness, infill density, and printing orientation) on the mechanical properties (tensile strength, bending strength and compression strength) of the FDM manufactured parts using the Taguchi method.Five of infill density percentage, layer thicknesses and printing orientation are (20%, 50%, and 80%) , (0.1, 0.2 and 0.3) and (0, 45, 90 degree) respectively have been considered to study their effects on tensile strength, bending strength, compression strength and printing time of test specimens made of polylactic acid (PLA). Experimental results indicate that the mechanical properties of the 3D-printed PLA samples increased with the increasing of infill density and layer thickness while the results indicate that the strength of the process parameter is high at 45 and less at 0 and 90 for all samples when testing the mechanical properties.On other hand lowering the infill percentage value significantly decrease the time of printing the sample.
Authors and Affiliations
Dr. Farhad Mohammad Othman, Dr. Tahseen Fadhil Abbas, Hind Basil Ali
Keywords
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- DOI 10.9790/9622-0807026569.
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