Efeito dos parâmetros de impressão 3D na resistência à tração de peças impressas com filamento ABS

Abstract

Throughout history, production processes have undergone several changes, always aiming at innovation, better use of raw materials, as well as cost reduction. In this scenario, additive manufacturing (AM) emerges as an alternative to conventional manufacturing methods. The fusion and material deposition (FDM) method has become the most used in AM, in view of this scenario, there is an increasing number of studies on parameters related to this technology, in order to determine which levels are the most suitable to optimize the process. In this way, the general objective of the work is to analyze the effect of the parameters of filling level, layer height and printing speed on the tensile strength of specimens printed on filaments of ABS material. In the present work, it was analyzed how the variation of the filling level, layer height and printing speed parameters influenced the tensile strength limit, elongation at break, printing time and mass, for the ABS material. This analysis was performed using statistical software using the Analysis of Variance (ANOVA) tool, which made it possible to determine which parameters have a significant influence on the response variables. The results obtained showed that when increasing the layer height and/or decreasing the filling level, there will be a reduction in the results obtained for tensile strength, elongation at break, printing time and mass, the opposite behavior is obtained when decreasing the height. layer and/or increase the fill density. Printing speed, on the other hand, has a significant effect only on printing time, since, by increasing speed, the time to produce a part will decrease considerably.