Análise da influência dos parâmetros de usinagem sobre o acabamento superficial dos corpos de provas impressos com filamento ABS.

Abstract

Throughout human history, production processes have undergone several changes, always aiming at innovation, better use of raw materials, as well as cost reduction. In this scenario, hybrid manufacturing (MH) appears as an alternative, since it unites the production processes of material reduction and addition, in a single method. This combination has drawn the attention of several researchers and producers, given that it results in more efficient and faster processes. In this way, the general objective of the work is to analyze how the machining parameters (cutting speed, feed and machined regions) influence the final finish of the specimens produced through 3D printing, using ABS filament as material. Thus, a specimen was printed and subsequently turned, in order to verify the effects of this machining process on the final finish of the part. For this analysis, statistical software was used through the Analysis of Variance (ANOVA) tool, which made it possible to ascertain which parameters exert a significant influence on the response variables. The results obtained showed that 3D printing did not generate parts with a good surface finish, but that when combined with turning, this finish improved significantly. Furthermore, it was found that the feed was the parameter that had the greatest influence on the final finish. On the other hand, the cutting speed and the measurement region did not present significant effects on the finishing of the specimens.