Comparative analysis of the quality of plastic products formed by DLP and FDM 3D printing technologies
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3D printing is the innovative technology widely used in all developed countries of the world and opens up significant potential for its application in various areas of human activity. The features of 3D objects creation using two the most commonly used additive manufacturing technologies – fused deposition modeling (FDM) and stereolithography version (SLA) - Digital Light Processing (DLP) are considered in this paper. By these technologies application the samples at various 3D printing modes using polylactide biopolymer (PLA) as consumable material are created and investigations of their geometry, structure, and mechanical properties (interlayer strength and elongation up to material rupture) are carried out. On the basis of the obtained results the influence of the specified print parameters, such as the extreme admissible values of 3D products layers thickness for FDM and DLP technologies, on the formed samples quality is investigated.
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