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All Journal Jurnal Teknik Mesin Sinergi Kohesi: Jurnal Sains dan Teknologi Jurnal Teknologi Manufaktur dan Industri
Ariawan Bayu Wicaksono
Politeknik Negeri Ujung Pandang
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Education Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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PENGARUH KETEBALAN SPESIMEN TERHADAP NILAI KOEFISIEN PENYERAPAN SUARA MATERIAL KOMPOSIT SERBUK GERGAJI Ariawan Bayu Wicaksono
Kohesi: Jurnal Sains dan Teknologi Vol. 6 No. 11 (2025): Kohesi: Jurnal Sains dan Teknologi
Publisher : CV SWA Anugerah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.3785/kohesi.v6i11.10732

Abstract

This study aims to determine the effect of specimen thickness on the sound absorption coefficient (SAC) of composite materials made from sawdust. Sawdust was made into a composite material with a volume fraction variation of 30:70 with thickness variations of 25 mm, 30 mm, and 40 mm. The samples were tested at frequencies of 200–1600 Hz using a type 4206 impedance tube with two microphones according to ASTM E1050 standards. Based on the test results, it was found that the material with a thickness of 40 mm (T40) achieved the highest SAC value with an α value of 0.18 at a frequency of 1200 Hz. It can be concluded that the sound absorption coefficient (SAC) value of the sawdust composite material increases with the thickness of the material, especially at high frequencies, because the increase in material thickness allows for more effective interaction between sound waves and the porous structure, thereby enhancing sound energy dissipation.
Perancangan Sistem Kelistrikan pada Dental Unit Portable Bayu Wicaksono, Ariawan; Mukhtar, Mukhtar; Paisal, Paisal; Jumhur, Jalaluddin; Muhemin, Muhemin
Jurnal Teknik Mesin Sinergi Vol 22 No 2 (2024): Oktober 2024
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v22i2.5378

Abstract

Penelitian ini bertujuan untuk merancang dan mengembangkan sistem kelistrikan pada dental unit portable guna meningkatkan efisiensi operasional serta kenyamanan bagi operator dan pasien. Metode penelitian meliputi perancangan, pembuatan, dan pengujian sistem kelistrikan, yang mencakup pemilihan komponen kelistrikan, perakitan rangkaian, serta pengujian konsumsi daya dan efisiensi sistem. Sistem yang dikembangkan menggunakan dua power supply untuk menggerakkan dua aktuator linear, lampu, dan pompa air. Pengujian dilakukan untuk mengevaluasi konsumsi daya dan performa motor linear, lampu, serta pompa dalam berbagai kondisi operasional. Hasil pengujian menunjukkan bahwa total konsumsi daya sistem sebesar 230,43 Watt, yang masih berada dalam batas kapasitas daya yang disediakan oleh power supply sebesar 240 Watt. Motor linear dapat beroperasi dengan baik untuk menggerakkan kursi dan sandaran dengan waktu operasi yang bervariasi tergantung pada beban. Kesimpulannya, sistem kelistrikan dental unit yang dirancang mampu memenuhi kebutuhan daya secara optimal dan meningkatkan efisiensi operasional dental unit portable.
Experimental Modelling of Gripper Arm Using CAD Fusion 360 and Fused Deposition Modelling 3D Printing Process of Polymer Nur, Nurhidayanti; Ishak, Ishak; Bayu Wicaksono, Ariawan
Jurnal Tematis (Teknologi, Manufaktur dan Industri) Vol 6, No 2 (2024): JURNAL TEMATIS (TEKNOLOGI, MANUFAKTUR DAN INDUSTRI)
Publisher : Politeknik Bosowa

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Abstract

The use of Fusion 360 CAD technology and Fused Deposition Modelling (FDM) 3D printing process enables the development of complex and efficient gripper arm designs. This study explores the effect of mesh and infill density parameters on the print time, weight, and strength of parts printed using ABS material. The results show that a 40% mesh with 40% infill is optimal for lightweight applications due to material and time efficiency. In contrast, a 60% mesh with 80% infill is more suitable for heavy loads due to higher strength. With this design approach, components that meet the needs of robotics-based industries are produced, reinforcing the contribution of FDM technology in modern manufacturing.
Co-Authors Ishak Ishak Jumhur, Jalaluddin Muhemin, Muhemin Mukhtar Mukhtar Nurhidayanti PAISAL PAISAL