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All Journal Semesta Teknika Scientific Journal of Mechanical Engineering Kinematika
Putra, Brian Teo
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Automotive Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Recycled PET Plastics Filament: Characteristic and Cost Opportunity Putra, Ikbal Rizki; Bukhori, Muhammad Luqman; Prasetiyo, Angger Bagus; Robbika, Fadzkurisma; Putra, Brian Teo
Semesta Teknika Vol. 27 No. 2 (2024): NOVEMBER
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v27i2.21072

Abstract

Piyungan Integrated Waste Disposal Site (TPST) is a waste disposal site in Yogyakarta province. With an estimated increase in the amount of waste of 8% per year, it is estimated that the TPST will not be able to accommodate waste from the community. One of these wastes is PET bottle. This research aims to develop a new recycling method by converting PET plastic waste into 3D Printer machine filament and investigate the opportunity of this PET filament. This research uses several stage methods: PET filament making, Tensile test, macroscopy photography and opportunity analysis. This study concludes that PET bottle waste can be used as 3D printer filament with a diameter of 1.7 mm. Processing PET bottle waste into 3D printer machine filament can increase the economic value of PET bottle waste. And this can contribute to the potential for processing plastic bottle waste.
PERBANDINGAN METODE MANUFAKTUR PROPELLER CLARK Y: 3D PRINTING DAN SILICONE MOLDING Putra, Ikbal Rizki; Mahesa, Ll. Aghyl Anugerah; Sehono; Marausna, Gaguk; Dyaksa, Gilang Argya; Prabowo, Fajar Yulianto; Putra, Brian Teo
Scientific Journal of Mechanical Engineering Kinematika Vol 10 No 2 (2025): SJME Kinematika Desember 2025
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v10i2.713

Abstract

Currently, the aviation industry is experiencing rapid growth, not only in manned aircraft but also in the development of Unmanned Aerial Vehicles (UAVs). One of the crucial components in UAVs is the propeller. Common manufacturing methods for propellers include forming, hand lay-up, and vacuum bagging. Alternative methods with promising potential include silicone molding and three-dimensional (3D) printing. This study aims to determine the most suitable manufacturing method for producing a propeller with a Clark Y airfoil type. The research was conducted using simulation, geometric analysis, and visual analysis. The silicone molding method can serve as an alternative to injection molding, as the dimensional difference between the CAD design and the final product is relatively minor, with the maximum shrinkage recorded at -8.77%. Meanwhile, the 3D printing method is more appropriate when the airfoil thickness is greater.
Co-Authors Angger Bagus Prasetiyo Gilang Argya Dyaksa Mahesa, Ll. Aghyl Anugerah Marausna, Gaguk Muhammad Luqman Bukhori Prabowo, Fajar Yulianto Putra, Ikbal Rizki Robbika, Fadzkurisma Sehono