Abstract: Plastic filament extruder utilizing thermoplastic granules, including waste materials. The process involves a ceramic band heater to melt materials, a barrel screw for longitudinal feeding, and a three-zone screw. Efficient heating is achieved with two barrel heaters and one die heater. Control is maintained by an analog temperature controller. The extruded filament has a diameter of 3mm, adjustable using a DC motor. Potential improvements include increasing barrel and screw diameters for enhanced production and augmenting material properties with fillers.[1]. Limitations in existing Fused Deposition Modeling (FDM) printers, which often restrict printing to monochrome objects due to nozzle structure. Utilizing CAD modeling and simulation tools like UG, ICEM CFD, and Fluent software, the study establishes a color-mixing 3D printer nozzle. Temperature optimization at varying extrusion speeds is determined, and insights into blockages at the heating block intersection are revealed. The experimental validation demonstrates stable production of mixed-color artifacts.[2][3] This article details a filament extruder designed for producing plastic filaments with precise diameters, utilizing thermoplastic granules, pellets, and even waste materials. The extrusion process involves rod heaters for material melting and a screw to longitudinally feed raw materials along the barrel, segmented into feed, melt, and transition zones. Temperature control is achieved with two temperature zones and six rod heaters using an analog temperature controller. The filament extruder, designed for 3D printing, incorporates a 2.5 mm die, yielding a 1.75mm filament diameter, adjustable by a DC motor. Further improvements in production involve increasing barrel and screw diameters, while enhanced mechanical and thermal properties are achieved by introducing various fillers to the raw material.[4][5].
Cite:
Aditya B Shetty, Bhaskar A Harikant, Gnanesh B S, “Recycling Plastic Bottles into 3D Printer Filament: A Sustainable and Cost-Effective Solution", IJIREEICE International Journal of Innovative Research in Electrical, Electronics, Instrumentation and Control Engineering, vol. 12, no. 1, 2024, Crossref https://doi.org/10.17148/IJIREEICE.2024.12110.
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