RANCANG BANGUN ALAT DAUR ULANG LIMBAH BOTOL PLASTIK MENJADI FILAMEN 3D PRINTING

ALDI RAMADHANI KATIM, . (2026) RANCANG BANGUN ALAT DAUR ULANG LIMBAH BOTOL PLASTIK MENJADI FILAMEN 3D PRINTING. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Penelitian ini bertujuan untuk merancang, membangun, dan menguji kinerja alat daur ulang limbah botol plastik menjadi filamen 3D printing. Perancangan alat dilakukan menggunakan metode Research and Development (R&D) dengan tahapan V-Model. Alat mengintegrasikan temperature controller REX-C100 sebagai pengendali suhu heater, termokopel tipe K yang terhubung dengan modul MAX6675 untuk memantau suhu heat block di sekitar nozzle, serta sensor inframerah reflektif E18-D80NK untuk mendeteksi material berbentuk filamen yang keluar dari nozzle. Material yang diproses berupa lembaran PET selebar 9 mm dengan massa 19,5 g yang diperoleh dari satu botol plastik PET merek Vit berkapasitas 1.500 mL. Pengujian hasil pembentukan filamen dilakukan menggunakan satu botol PET dalam satu kali proses produksi. Hasil pengujian menunjukkan bahwa alat mampu mengubah lembaran PET menjadi filamen sepanjang 5,47 m dengan massa akhir 17,7 g, sehingga diperoleh kehilangan massa proses sebesar 1,8 g (9,23%) dan rendemen sebesar 90,77%. Pengukuran pada satu titik dan satu arah menunjukkan diameter material berbentuk filamen sebesar 1,72 mm dengan selisih 0,03 mm terhadap target diameter 1,75 mm. Tiga pengujian fungsi pencetakan menggunakan mesin FDM menunjukkan bahwa material dapat masuk ke ekstruder, keluar melalui nozzle, dan menyelesaikan pencetakan objek kubus pada kondisi pengujian. Pengujian tidak mencakup evaluasi kualitas permukaan, akurasi dimensi, sifat mekanis, sifat termal, kadar air, adhesi antarlapis, maupun performa pencetakan jangka panjang. ***** This study aims to design, develop, and evaluate the performance of a plastic bottle recycling machine that converts polyethylene terephthalate (PET) waste into 3D printing filament. The system was developed using the Research and Development (R&D) method based on the V-Model approach. The machine integrates a REX C100 temperature controller to regulate the heater temperature, a Type K thermocouple connected to a MAX6675 module to monitor the heat block temperature around the nozzle, and an E18-D80NK reflective infrared sensor to detect filament-shaped material exiting the nozzle. The processed material consisted of a 9 mm wide PET strip with a mass of 19.5 g obtained from a single 1,500 mL Vit PET bottle. Filament production testing was conducted using one PET bottle in a single production cycle. The experimental results showed that the machine successfully produced a PET filament with a length of 5.47 m and a final mass of 17.7 g, resulting in a process mass loss of 1.8 g (9.23%) and a material yield of 90.77%. A measurement performed at a single point and in a single direction showed a filament diameter of 1.72 mm, with a deviation of 0.03 mm from the target diameter of 1.75 mm. Three functional printing tests using an FDM printer demonstrated that the filament could be fed into the extruder, extruded through the nozzle, and successfully complete the printing of a cube under the test conditions. However, the evaluation did not include surface quality, dimensional accuracy, mechanical properties, thermal properties, moisture content, interlayer adhesion, or long-term printing performance.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Rafiuddin Syam, S.T., M.Eng., Ph.D. ; 2). Dr. Wisnu Djatmiko, M.T.
Subjects:	Teknologi dan Ilmu Terapan > Teknik Elektronika
Divisions:	FT > S1 Pendidikan Teknik Elektronika
Depositing User:	Aldi Ramadhani Katim .
Date Deposited:	12 Aug 2026 08:01
Last Modified:	12 Aug 2026 08:01
URI:	http://repository.unj.ac.id/id/eprint/70009

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