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Perancangan Mesin Pengisi Cairan pada Botol Otomatis Dua Mode menggunakan Metode FEA Wistikhirana, Hanandira; Rahman, Fio Izzafur; Kaunang, Revo Alfian; Nabil, Muhammad; Muslimin, Muslimin; Luqyana, Dhiya; Muhamad, Azam Milah
Manutech : Jurnal Teknologi Manufaktur Vol. 17 No. 02 (2025): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v17i02.522

Abstract

This study examines the design and safety analysis of an automatic liquid filling machine for bottles with two modes: 250 ml and 500 ml. The problem addressed is the time-consuming and inconsistent manual bottle filling process in UMKM. The machine is designed to improve efficiency and consistency in filling liquids for UMKM. Made from PLA filament using 3D printing, the machine has dimensions of 400 mm x 350 mm x 350 mm and was analyzed using Finite Element Analysis (FEA). The load on the machine is 2.4516625 N for 250 ml and 4.903325 N for 500 ml. Simulation results show a maximum stress of 0.114 N/mm² for 250 ml and 0.118 N/mm² for 500 ml, both below the PLA material's yield strength of 26,082 N/mm². The maximum displacement is 0.002 mm for 250 ml and 0.00894819 mm for 500 ml. The minimum safety factor is 4,044e+02 for 250 ml and 1,156e+02 for 500 ml. These results confirm that the machine design is safe and reliable for automatic liquid filling in both modes.
Perancangan Ulang Rem Tromol Sepeda Motor Supra Menggunakan Metode Reverse Engineering dengan Analisis Von Mises Wistikhirana, Hanandira; Alfiansyah, Achmad Adfa; Luqyana, Dhiya
JTRM (Jurnal Teknologi dan Rekayasa Manufaktur) Vol 8 No 1 (2026): Volume: 8 | Nomor: 1 | April 2026
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Manufaktur Bandung (Polman Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48182/jtrm.v8i1.239

Abstract

This study presents a redesign of the drum brake system on a Honda Supra motorcycle using a reverse engineering approach. Innovation was carried out by utilizing aluminum alloy as the brake shoe material to reduce weight and enhance corrosion resistance. In addition, a Non-Asbestos Organic (NAO) brake lining was applied, known for its high friction performance and excellent wear resistance. Design modifications include increasing the rib thickness of the brake shoe to reduce stress concentration and adding a chamfered surface to the brake lining, with a thickness of 5 mm. Structural strength was evaluated through Finite Element Analysis (FEA), using von Mises stress as the performance indicator. The results indicate that the redesigned structure and material successfully reduce stress concentration.