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All Journal International Journal of Innovation in Mechanical Engineering and Advanced Materials Jurnal Pemberdayaan Masyarakat dan Komunitas
Haristanti, Sindy Nindia Maretha
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Religion Humanities Automotive Engineering Economics, Econometrics & Finance Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Pemanfaatan Serbuk Gergaji Menjadi Briket Ramah Lingkungan di Desa Jukong Widiarti, Yulia Rizki; Fadhellah, Muchtar Nur; Mahshun, Wafiq; Haristanti, Sindy Nindia Maretha
Jurnal Pemberdayaan Masyarakat dan Komunitas Vol 2, No 2: 2025
Publisher : STAI Nurul Islam Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52620/jpmk.v2i2.137

Abstract

Pengolahan kayu menghasilkan limbah kayu berupa serpihan kayu. Meskipun serpihan ataupun kerikilnya tidak dimanfaatkan secara optimal, limbah ini masih dapat digunakan sebagai briket. Proses produksi berlangsung dalam tungku kosong yang dimodifikasi. Serbuk gergaji yang dihasilkan selama pembakaran dihancurkan menjadi bubuk dan kemudian disaring melalui saringan. Debu kayu yang hangus meluncur melewati ayakan, kemudian diaduk perekat dengan tepung singkong. Bahan dasar ini dibentuk menggunakan cetakan khusus, lalu dikeringkan di bawah pancaran sinar matahari selama 1 hingga 3 hari, bergantung pada keadaan cuaca. Briket arang yang dihasilkan biasanya memiliki karakteristik fisik dan kimiawi yang lebih unggul dibandingkan mutu bahan aslinya. Aktivitas ini membuktikan bahwa pemahaman masyarakat tentang pembuatan briket dari serbuk kayu serta pemanfaatan sumber daya alam telah mengalami peningkatan yang signifikan. Briket tidak hanya sama efektifnya dengan arang, tetapi juga ramah lingkungan, menjadi alternatif potensial untuk menciptakan peluang kerja bagi komunitas.
Enhancing Kiln Reliability in Cement Industry Using RCM II and FMEA Faizzah, Mustika Ratnawati; Muti, Asri Amalia; HarisTanti, Sindy Nindia Maretha
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 7, No 3 (2025): Article in Press
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijimeam.v7i3.35085

Abstract

This study applies to the Reliability-Centered Maintenance (RCM) II methodology to improve the reliability and cost efficiency of a kiln system in a cement manufacturing plant. Kiln failures are critical because they cause unplanned downtime, reduced productivity, and financial losses. Traditional corrective or time-based maintenance strategies often fail to address the stochastic nature of failures in such high-temperature rotary systems. To overcome this gap, the research integrates Failure Mode and Effect Analysis (FMEA) with RCM II decision logic to identify and prioritize maintenance actions. The analysis focused on five critical kiln components—crusher cooler, firebrick lining, thrust roller, grate cooler, and main drive—using 12 months of operational data supported by expert interviews and technical manuals. Reliability indicators, including Mean Time to Failure (MTTF), Mean Time to Repair (MTTR), and Mean Time Between Failures (MTBF), were calculated, while Risk Priority Numbers (RPN) were assigned to rank failure modes. Results showed that the crusher cooler had the highest risk, whereas the main drive required the longest repair duration. Implementation of RCM II recommendations increased MTBF by 29–38% across components and reduced maintenance costs by more than 50%. These findings confirm that RCM II provides a practical, data-driven framework for enhancing system availability. The study contributes to maintenance engineering by demonstrating a structured approach that supports risk-informed and condition-based maintenance strategies in continuous-process industries.
Co-Authors Fadhellah, Muchtar Nur Faizzah, Mustika Ratnawati Mahshun, Wafiq Muti, Asri Amalia Widiarti, Yulia Rizki