Improvement Machine Maintenance for Enhanced Reliability Case Study: Transformer Manufacturers Company
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Abstract
The objective of this research was to improve the machine maintenance system based on reliability, focusing on increasing machine efficiency in terms of availability (the proportion of time a machine is available for use), performance, and quality rate. Tools utilized include a machine maintenance plan, daily check sheet, repair request and repair record form. The daily machine inspection abnormalities in the machine and take corrective action immediately. The results of the research after the improvement showed that the overall equipment efficiency (OEE) increased by 17%, the reliability performance (MTTF) increased an average of 22.68 hours, the machine maintenance performance (MTTR) decreased an average of 7.68 hours, and the system availability performance (A%) increased by 4.2%. The results of the research showed that improving the machine maintenance system based on reliability can result in machines that are more reliable, resulting in increased uptime, machine performance, and production quality, which has a positive impact on the overall production efficiency of the factory.
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