Abstract
The additive manufacturing processes emerged at the end of the last century and became popular by low-cost 3D printers. The most used printers work on a cartesian configuration, but recently were launched delta machines. These 3D printers use a more complex control system due to their trajectories generation but may present some advantages over the cartesian configuration. To increase the knowledge about additive manufacturing, a comparative study with cartesian and delta printers was performed to evaluate the performance on printing a testing part. Three samples were produced in each printer and compared based on surface quality, manufacturing time, mass and dimensional measurement. The printed objects were 3D scanned for comparing the digitized geometry by aligning the point cloud generated to its virtual 3D model. The parts produced in delta printer obtained better surface quality, while cartesian printer provided better dimensional accuracy. The results also showed that the variation of the mass and time to produce the parts were not significant.
Highlights
The Fused Deposition Modeling (FDM) was originated in 1989 and patented in 1992 by the American company Stratasys[1]
Three samples of the developed geometry were constructed in each printer used in this project: (1) the cartesian 3D Cloner DH printer (Figure 3), for which the GCode was generated in Slic3r software; and (2) the parallel coordinate system Rostock Max V2 (Figure 4), using the GCode generated by Matter Control software
Based on the comparative study, it is possible to affirm that the Rostock Max V2 printer gives a better surface finish
Summary
Betina Madeira Schmitta, Christiano Fraga Zirbesa, Cassiano Bonina, Daniel Lohmannb, Diovani. The most used printers work on a cartesian configuration, but recently were launched delta machines. These 3D printers use a more complex control system due to their trajectories generation but may present some advantages over the cartesian configuration. To increase the knowledge about additive manufacturing, a comparative study with cartesian and delta printers was performed to evaluate the performance on printing a testing part. Three samples were produced in each printer and compared based on surface quality, manufacturing time, mass and dimensional measurement. The parts produced in delta printer obtained better surface quality, while cartesian printer provided better dimensional accuracy. The results showed that the variation of the mass and time to produce the parts were not significant
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