Abstract
3-Dimensional (3D) Printing Technology (3D printer) has become a Standard Acceleration Tool for Industry 4.0. Until now, 3D Printing system material melting technology has been using Fused Deposition Modelling (FDM) method. FDM is the melting of plastic materials through melting temperature and the formation of 3D objects in layer by layer manner. Meanwhile, the feeding for melting material is in the form of rolling filament. Currently, in this research FDM uses plastic pellete feeding method. Its exstrusion is called extruder, that is, plastic pellet processed through heater zone and pushed out by screw to the nozzle where the nozzle is a Computer Numerical Control (CNC) drives 3-Degree-of-Freedom (3DOF) applying cartesian axes. In this research, the printing uses high density polyethylene plastic pellete (HDPE). Temperature control in melting heater using proportional-integral-derivative (PID) method is controlled by microntroller and programmed through marlin firmware. The design and implementation result showed that the extruder system is capable to melt HDPE pellet at 200°C with heater power 300Watt and the screw can rotate to push out melted plastic at 2mm of nozzle.
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