Abstract
Three-dimensional (3D) printing technology is an advanced manufacturing method used for the rapid manufacturing of functional products in industrial and biomedical fields. The study aims to evaluate the wear rate of the polylactic acid polymer by determining the optimum parameters for 3D printing. The process parameters were chosen, such as extrusion temperature, fill density, and nozzle speed. Taguchi L9 array was used to frame experiments and optimized the parameters to achieve the minimum wear rate. The samples were printed using the fused deposition modeling (FDM™) technique, also known as fused filament fabrication (FFF), and the wear rate was measured using a pin-on-disc apparatus. From work, it was concluded that the fill density significantly affected the wear rate, followed by extrusion temperature and nozzle speed. At a fill density of 100% and an extrusion temperature of 220 °C, the nozzle speed at 40 mm/s was the optimum set of process parameters.
Published Version
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