Abstract
At present, desktop 3D printer has got lots of attention in many fields. Compared with traditional machining, 3d printer makes the parts through the principle of layered manufacturing, which has lower production efficiency. To improve the productivity of a desktop 3d printer, this article provides a new way to optimize part build time, that is, the surface layer, the bottom and top outline are printed by nozzle of 0.4 mm, while the internal filling is performed by the nozzle of 1.2 mm. Last, through contrast experiment to the existing single nozzle process, the new process method, based on the unabated accuracy and strength of parts shortened the parts’ build time substantially, mean-while ensured the surface roughness under the same premise. It could provide a new idea for the desktop 3D printing efficiency.
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