MUHAMMAD FATHIR AL FAIZ, . (2025) KARAKTERISTIK FILAMEN 3C PRINTING PULTRUSI BOTOL BEKAS BERBAHAN POLYETHYLENE TEREPHTHALATE (PET). Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.
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Abstract
Penelitian ini mengkaji karakteristik filamen 3D printing yang diproduksi dari botol bekas berbahan Polyethylene Terephthalate (PET) melalui metode pultrusi sebagai alternatif pemanfaatan limbah. Fokus penelitian ini adalah mengevaluasi sifat mekanik, termal, dan dimensi filamen dengan memvariasikan kecepatan tarik, temperatur pemanasan, dan lebar pemotongan selama proses pultrusi. Pengujian dilakukan menggunakan standar ASTM D638-14 untuk kekuatan tarik, pengukuran dimensi untuk menilai kelayakan cetak menggunakan printer 3D tipe Fused Deposition Modeling (FDM). Hasil penelitian menunjukkan bahwa filamen memenuhi standar 3D printing, dengan diameter yang konsisten dalam toleransi ±0,03 mm, permukaan yang halus, kekuatan tarik dibawah 40 MPa, serta titik leleh antara 250–260°C. Filamen daur ulang PET hasil pultrusi dapat menjadi alternatif yang berkelanjutan dan berkinerja tinggi dalam aplikasi manufaktur aditif, sekaligus mengurangi dampak buruk terhadap lingkungan. ***** This study examines the characteristics of 3D printing filament produced from used Polyethylene Terephthalate (PET) bottles through the pultrusion method as an alternative waste utilization. The focus of this study is to evaluate the mechanical, thermal, and dimensional properties of the filament by varying the pulling speed, heating temperature, and cutting width during the pultrusion process. Tests were conducted using the ASTM D638-14 standard for tensile strength, dimensional measurements to assess printability using a Fused Deposition Modeling (FDM) 3D printer. The results showed that the filament met 3D printing standards, with a consistent diameter within a tolerance of ±0.03 mm, a smooth surface, a tensile strength below 40 MPa, and a melting point between 250–260°C. Pultruded recycled PET filament can be a sustainable and high-performance alternative in additive manufacturing applications, while reducing adverse environmental impacts.
Item Type: | Thesis (Sarjana) |
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Additional Information: | 1). Dr. Siska Titik Dwiyati, M.T. ; 2). Drs. Syaripuddin, M.Pd. |
Subjects: | Teknologi dan Ilmu Terapan > Teknik Lingkungan, Teknik Sanitasi Teknologi dan Ilmu Terapan > Teknik Mesin, Mekanika Teknik Teknologi dan Ilmu Terapan > Manufaktur |
Divisions: | FT > S1 Pendidikan Teknik Mesin |
Depositing User: | Muhammad Fathir Al Faiz . |
Date Deposited: | 11 Aug 2025 00:42 |
Last Modified: | 11 Aug 2025 00:42 |
URI: | http://repository.unj.ac.id/id/eprint/59207 |
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