MULTI-CRITERIA ANALYSIS OF FDM ADDITIVE MANUFACTURING PROCESS FOR COMPONENTS WITH CYLINDRICAL GEOMETRY

Mircea Dorin VASILESCU, Doru-Alexandru LUCA

Abstract


This work was carried out as a continuation of previous studies related to the influence of positioning of gear-type or tubular parts. The authors considered expanding the investigation process by approaching in parallel the modified psychological experimental analysis, but also considering the economic, environmental and dimensional aspects and the surface quality for stepped cylindrical parts. To make the parts, a material was used that has as its basic structure poly lactic acid which is modified to be able to work at high printing speed. To establish the optimal constructive orientation that can influence the manufacturing process of the parts, the printing surface was considered. Based on the present study, it was observed that making the parts in a vertical position best satisfies the environmental and constructive criteria and was positioned in the same place at a short distance from the economic point of view from the horizontal printing position.

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