izvorni znanstveni rad
Rapid prototyping (RP) can substantially shorten the time and reduce the cost of developing a new product from the initial idea to production. Rapid prototyping can help in recognizing the basic defects whose subsequent correction may prove very expensive, especially if they are made already when the product is ready for production. There are also many restrictions of RP procedures primarily in the number of available materials and their properties, which may differ significantly from the properties of end product materials. In the work, based on the stipulated standards on the machines for 3D printing (ZPrinter 310 Plus) and hybrid Polyjet technique (Objet Eden 330), adequate test specimens were made and with adequate equipment, the analysis of the dimensions, roughness of surfaces, and mechanical properties of prototype test specimens was carried out. Then, based on the data obtained by testing of properties, a critical commentary has been provided regarding the data stipulated by their producers.
3D printing; hybrid Polyjet technique; roughness of surface; mechanical properties of materials
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