Extrusion Additive Manufacturing of PEI Pellets

The simplest, most cost-efficient, and widespread Additive Manufacturing (AM) technology is Extrusion (EAM). Usually, EAM performed with filament feedstock, but using pellets instead of filaments yields many benefits, including significantly lower cost a wider choice materials. High-performance polymers offer high strength even when produced AM technique, allowing to produce near-net-shape functional parts. production these materials in form still limited expensive; therefore, this paper, the possibility producing components engineering from will be thoroughly investigated. In work, effectiveness specially designed machine for printing high-performance pellet was tested. material chosen investigation PEI 1000 which offers outstanding mechanical thermal properties, giving components. Sensitivity analyses have been carried out define process window terms parameters by observing different response variables. Using specified range, additive manufactured has mechanically tested, its microstructure investigated, both dried undried conditions. Finally, rapid tool sheet metal forming produced.