TECHNOLOGICAL ASPECTS OF ADDITIVE MANUFACTURING OF MECHANICAL GEARS: 3D PRINTING ACCURACY OF SURFACES AND DIMENSIONAL CHAIN

Sergiu CANDRAMAN, Vitalie GLADÎȘ, Alina BREGNOVA, Dumitru VENGHER

Abstract


The paper focuses on few aspects of 3D printing technology for the manufacture of mechanical systems, based on Stereo lithography (SLA) and Selective Laser Sintering (SLS). SLA and SLS processes are two of the most widely used 3D printing technologies for functional parts. Both processes use lasers to solidify the resin or melt the powdered material layer by layer to create a 3D object. The SLA process is found to be the most usable due to its high resolution and the possibility of manufacturing parts with complex configurations, such as mechanical transmission gears. It also states that for quality analysis of 3D printing complex configurations parts it is recommended to print the same digital 3D model and then to identify the advantages and disadvantages of each process. The paper presents comparative approaches aimed at contributing to the improvement of manufacturing quality, leading to further development of 3D printing technologies.


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