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2016, vol. 44, br. 4, str. 393-397
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Kombinacija aditivne proizvodnje i vakuum livenja za efikasnu proizvodnju zaštitnih naočara
Combining additive manufacturing and vacuum casting for an efficient manufacturing of safety glasses
aUniverzitet u Banjoj Luci, Mašinski fakultet, Republika Srpska, BiH bDepartment of Industrial Engineering, Alma Mater Studiorum University of Bologna, Italy cRepublic Agency for SME Banja Luka, Bosnia and Herzegovina
e-adresa: ana.pavlovic@unibo.it
Sažetak
Ovaj rad prikazuje mogućnost integracije savremenih tehnika aditivne proizvodnje i vakuum livenja u brzoj proizvodnji složenih delova. Prototip sigurnosnih naočara je direktno razvijen iz CAD modela, koji se koristi kao glavni model za izradu kalupa u procesu vakuum livenja. U ovom radu prikazana je razvojna faza, koja uključuje aditivnu proizvodnju naočara i proces vakuum livenja sa definisanjem materijala komponenta, predgrevanje temperaturom, formiranje silikonskih kalupa, proces livenja, kaljenje i druge parametre. Dokazano je da je moguće pomoću ove tehnike proizvesti složene funkcionalne delove brzo, sa visokom preciznošću, tačnošću i kvalitetom površine, dok su troškovi razvoja i proizvodnje u odnosu na druge slične tehnologije značajno smanjeni.
Abstract
This paper presents the possibility of integration of modern techniques of additive manufacturing and vacuum casting in the rapid manufacturing of complex parts. The prototype of safety glasses was directly developed from a CAD model, which is used as a main model for making moulds in a vacuum casting process. The development stages, which include additive production of glasses and the process of vacuum casting with the definition of material components, preheating temperature, the forming of silicone mould, the casting process, hardening and other parameters are presented in this paper. It is proved that by using this technique it is possible to produce complex functional parts quickly, with high precision, accuracy and surface quality, while significantly reducing costs of development and production compared to other similar technologies.
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