Optimization of Soybean Grinding Machine Maintenance System in Tempe Production Using the Reliability Centered Maintenance (RCM) Method to Improve Operational Efficiency
Optimasi Sistem Perawatan Mesin Penggiling Kedelai Tempe Menggunakan Metode Reliability Centered Maintenance (RCM) Dalam Upaya Peningkatan Efisiensi Operasional
DOI:
https://doi.org/10.21070/ups.10729Keywords:
Reliability Centered Maintenance (RCM), Weibull Distribution, Preventive Maintenance, Reliability Analysis, Root Cause AnalysisAbstract
Tempe production MSMEs in Jambangan Village experience high machine downtime due to a corrective maintenance system, with 33 failure incidents recorded. This study aims to analyze machine reliability and determine the optimal preventive maintenance interval using the Reliability Centered Maintenance (RCM) method. Historical data were converted into Time to Failure (TTF) and analyzed using the Weibull distribution, along with MTTF and hazard rate calculations. The results show that both machines are in the wear-out phase (β > 1), with Machine 2 having better reliability performance than Machine 1. By setting a minimum reliability limit of R(t) ≥ 0.80, the optimal intervals are 55.9 hours for Machine 1 and 75.3 hours for Machine 2. Implementation of these intervals increases reliability from 0.514 to 0.80 (28.6%) and from 0.628 to 0.80 (17.2%), and theoretically reduces failure risk by up to 20%, improving operational stability.
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