Abstract
Rapid prototyping technology (RPT) is a new class of manufacturing process in which part is being made with layer-by-layer deposition of the work material. In this work, an effort has been made to study the tensile strength of polylactic acid (PLA)-based fused filament fabricated parts under the response of different input parameters (such as built orientation, head speed, and layer thickness). The experimentation has been conducted as per Taguchi L9 orthogonal array and a total of 9 × 3 samples have been prepared by using an open-source fused filament fabrication (FFF) setup. Finally, the obtained data were investigated, statistically, in order to find out the significance of selected process variables on tested samples. It has been observed that the build orientation has significantly influenced the obtained tensile strength of the PLA parts at 95% confidence level. Whereas the process parameters, such as layer thickness and head scan speed, have remained un-influencing and it was observed from the Taguchi analysis that the orientation has a major effect on the strength of specimen printed by PLA analysis. Whereas head speed and layer thickness had a least impact.
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Sandhu, K., Singh, J.P., Singh, S. (2020). Some Investigations on the Tensile Strength of Additively Manufactured Polylactic Acid Components. In: Singh, S., Prakash, C., Ramakrishna, S., Krolczyk, G. (eds) Advances in Materials Processing . Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-4748-5_22
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