Prototype of a 3D printing scrap recycling machine

This project presents a prototype of a 3D printing scrap recycling machine, designed to process and reduce waste from failed or excess PLA prints. The structure of the prototype is constructed primarily from acrylic and wood, providing a lightweight yet stable frame for demonstration purposes. The c...

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Bibliographic Details
Main Authors: Rosdi, Raziq Amir, Rusli, Ahmad Najmie
Format: Book Section
Language:en
Published: Universiti Teknologi MARA Cawangan Johor Kampus Pasir Gudang 2025
Subjects:
Online Access:https://ir.uitm.edu.my/id/eprint/129294/1/129294.pdf
https://ir.uitm.edu.my/id/eprint/129294/
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Summary:This project presents a prototype of a 3D printing scrap recycling machine, designed to process and reduce waste from failed or excess PLA prints. The structure of the prototype is constructed primarily from acrylic and wood, providing a lightweight yet stable frame for demonstration purposes. The core component of the machine is a shredder unit made from solid mild steel cylinders, featuring a three layers shredder system. Each layer having a different shredder diameter. This design enables the machine to efficiently shred large 3D printed parts up to 50mm x 50mm in size. The output from the shredder consists of coarse PLA debris, which can then be further processed into finer particles using an external blender machine for filament re-extrusion or other recycling processes. The system is powered by a 12V DC motor, with power transmission to the shredder layers achieved via a gear and chain mechanism ensuring synchronized and efficient operation across all layers. This prototype demonstrates a scalable and low cost solution for reducing 3D printing waste in small scale or desktop 3D printer.