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All Journal PROFICIO: Jurnal Pengabdian Masyarakat Teknologika Recent in Engineering Science and Technology
fuzi rachmat ramdhan
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Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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OPTIMIZATION OF MACHINERY FIXTURE DESIGN THE MAIN COMPONENTS OF SLING BEARINGS USE A PNEUMATIC SYSTEM fuzi rachmat ramdhan; Faiz Azri; Ghany Heryana; Dianta Mustofa Kamal; Fuad Zainuri; Hady Sofyan
Jurnal Teknologika Vol 13 No 1 (2023): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51132/teknologika.v13i1.273

Abstract

Sling bearings are one of the important components in the cable car transportation system. These bearings function to support the weight of the cable car and reduce friction between the train and the rail/sling so that the train can move smoothly and safely. To produce quality sling bearings, a precise and accurate machining process is required. The manufacturing process of ropeway sling bearings goes through a machining process, where raw materials that are usually metals or metal alloys will be cut, shaped, and polished to form the desired bearing shape. Fixture machining is one of the most commonly used techniques in the machining process, where the workpiece is clamped or fastened to a specially designed fixture so that the workpiece remains stable during the machining process. The purpose of this engineering is to produce a fixture design for sling bearing components with increased quantity and quality of products on CNC machines by validating the design through simulation. In this study, tests were conducted using a conventional machining fixture and a machining fixture equipped with a pneumatic system. The test results show that the machining fixture equipped with a pneumatic system is able to increase the production speed and efficiency of cable car sling bearings by up to 20% compared to the conventional fixture. This research makes an important contribution to the cable car sling bearing manufacturing industry in improving production efficiency and final product quality. In addition, this research can also be a reference for further research on the optimization of the cable car sling bearing production process.
PEMBUATAN MODUL AJAR DAN PELATIHAN BASIC MACHINE OPERATION TECHNIQUE (BMOT) BAGI CV REZEKI SEJAHTERA BERSAMA DAN MITRA BENGKEL SEPEDA MOTOR DALAM MEMASUKI DUNIA USAHA KENDARAAN LISTRIK DI WILAYAH DEPOK DAN SEKITARNYA Muhammad Hidayat Tullah; Sonki Prasetya; Fuzi Rachmat Ramdhan; Jatmiko Sudarmadji; Bilal Ramadhan
Jurnal Pengabdian Masyarakat FKIP UTP Vol 7 No 1 (2026): PROFICIO : Jurnal Abdimas FKIP UTP
Publisher : FKIP UNIVERSITAS TUNAS PEMBANGUNAN SURAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jpf.v7i1.5756

Abstract

Pertumbuhan industri kendaraan listrik di Indonesia menuntut kesiapan sumber daya manusia dalam pengoperasian dan perawatan mesin. Untuk mendukung hal tersebut, tim dosen Jurusan Teknik Mesin Politeknik Negeri Jakarta melaksanakan program Pengabdian Kepada Masyarakat dengan judul Pembuatan Modul Ajar dan Pelatihan Basic Machine Operation Technique (BMOT) bagi CV Rezeki Sejahtera Bersama dan mitra bengkel sepeda motor di wilayah Depok dan sekitarnya. Kegiatan ini mengombinasikan pembelajaran teori dan praktik, mencakup pengoperasian mesin dasar, pengelasan, prosedur keselamatan kerja (K3), serta pengenalan alat kerja yang relevan dengan dunia usaha kendaraan listrik. Sebanyak 25 peserta mengikuti pelatihan yang dievaluasi melalui pre-test dan post-test. Hasil menunjukkan peningkatan kompetensi sebesar 78%. Program ini menjadi langkah strategis dalam menyiapkan tenaga kerja bengkel lokal menghadapi transisi menuju industri kendaraan listrik.
Technical and Economic Study of Fast Charging Systems Electric Heavy Equipment in Industrial and Port Areas Noval, Rahmat; Asep Apriana; Sumarsono, Danardono Agus; Dedi Junaedi; Fuad Zainuri; Mohammad Adhitya; Muhammad Hidayat Tullah; Fuzi Rachmat Ramdhan
Recent in Engineering Science and Technology Vol. 4 No. 01 (2026): RiESTech Volume 04 No. 01 Years 2026
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v4i01.143

Abstract

The electrification of heavy equipment presents both an opportunity and a challenge for Indonesia’s industrial and port operations. Despite advancements in battery energy density and power electronics, the lack of efficient fast-charging infrastructure remains a critical bottleneck. This study evaluates the technical and economic feasibility of implementing high-power DC fast-charging systems for electric heavy machinery in port and industrial settings. Using HOMER Grid and MATLAB-based simulations, three charging configurations (90 kW AC, 250 kW DC, and 500 kW dual-gun DC) were analyzed. Results indicate that the 500 kW system reduces downtime by up to 70%, increasing equipment availability from 75% to 96%. Economic analysis shows a payback period of 4.8 years, internal rate of return (IRR) of 18.7%, and levelized cost of electricity (LCOE) of IDR 2,100/kWh. The findings support the deployment of modular fast-charging hubs to accelerate electrification in logistics and port sectors
Co-Authors Asep Apriana Bilal Ramadhan Danardono Agus Sumarsono Dedi Junaedi Dianta Mustofa Kamal Faiz Azri Fuad Zainuri Ghany Heryana Hady Sofyan Jatmiko Sudarmadji Mohammad Adhitya, Mohammad Muhammad Hidayat Tullah Noval, Rahmat Sonki Prasetya