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All Journal Patria Artha Technological Journal AMMA : Jurnal Pengabdian Masyarakat
Facheruddin BJ, Muhammad
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Humanities Chemistry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing

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Evaluasi Efektivitas Program Pemeliharaan Belt Conveyor 6E1U02 Terhadap Produktivitas Unit Raw Mill PT. Semen Tonasa Menggunakan Metode Reability Centered Maintenance (RCM) Taha, Syamsumarlin; Arham, Muhammad; Asnefi; Rais, Muh.; Aminuddin, Rosihan; Syarif, Irwan; Mubarak, Husni; Hamka, Akhsan; Facheruddin BJ, Muhammad; Usman, Jumiati
AMMA : Jurnal Pengabdian Masyarakat Vol. 3 No. 12 : Januari (2025): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

This study evaluates the effectiveness of the maintenance program aimed at identifying the causes of downtime in machines or equipment at the raw mill unit of PT. Semen Tonasa, which consists of three main sections: mechanical, electrical, and production. Based on data analysis, it was found that the causes of downtime were evenly distributed, with mechanical and production each contributing 31%, and electrical contributing 38%. The dominant cause of downtime was found in the production section, with the main issue being a broken gearbox protection. Over the past six months, the gearbox component failed twice, resulting in a total downtime of 22.30 hours. To address this issue, Reliability Centered Maintenance (RCM) was applied to identify the components responsible for machine failure. The results identified four key components contributing to downtime: the gearbox chain, Belt Conveyor, bucket elevator, and motor. The maintenance decisions taken included failure finding and time-directed life-renewal restoration for the gearbox, bucket elevator, and motor, as well as lubrication and time-directed life-renewal restoration for the Belt Conveyor chain. The expected outcome is an improvement in the reliability and performance of the machines at the raw mill unit of PT. Semen Tonasa.
Analisa Mikrostruktur pada Material Riser Walltube GB5310 20G yang Mengalami Kegagalan Akibat Long Term Overheating Facheruddin BJ, Muhammad
Patria Artha Technological Journal Vol 9, No 1 (2025): Patria Artha Technological Journal
Publisher : Department of Electrical Engineering, University of Patria Artha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33857/patj.v9i1.885

Abstract

Penelitian ini menganalisis perubahan mikrostruktur dan sifat mekanik material riser walltube GB5310 20G yang mengalami kegagalan akibat long term overheating. Fokus penelitian ini adalah pada pengamatan mikrostruktur menggunakan Scanning Electron Microscope (SEM) serta pengukuran kekerasan material. Hasil uji SEM mengungkap adanya pertumbuhan butir signifikan dan presipitasi karbida pada batas butir yang berperan penting dalam memicu kegagalan material. Uji kekerasan menunjukkan adanya penurunan kekerasan material akibat pelunakan yang dihasilkan dari overheating jangka panjang. Temuan ini dapat membantu dalam memahami penyebab kegagalan pada material riser walltube dan memberikan wawasan penting untuk pemeliharaan dan desain material boiler.
Co-Authors AMINUDDIN, ROSIHAN Asnefi Hamka, Akhsan Husni Mubarak Muhammad Arham Syarif, Irwan TAHA, SYAMSUMARLIN Usman, Jumiati