PENJADWALAN AKTIFITAS PERAWATAN BELT CONVEYOR DENGAN MENENTUKAN INTERVAL PENGGANTIAN KOMPONEN

Kamil, Insannul and Asmilda, Roza (2008) PENJADWALAN AKTIFITAS PERAWATAN BELT CONVEYOR DENGAN MENENTUKAN INTERVAL PENGGANTIAN KOMPONEN. Optimasi Sistem Industri, 7 (2). pp. 97-105. ISSN 1412-4769

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Abstract

The field investigation results show that some of belt conveyor units often breakdown with a long downtime. This study is performed to determine the schedule of maintenance and replacement of belt conveyor components activities. One of the maintenance activities that can be performed is belt conveyor component replacement in interval determination form. This research determine component replacement schedule of each part IDs of belt conveyor. The priorities of replacement schedule of component’s ID determined based on 3 criteria namely the highest breakdown percentage, the biggest total downtime, and the lowest reliability values. Part IDs that chosen in this research are A1J12B, A4J12, 20103, A1J14, A2J06, A5J10, A5J11, A3J05, A3J01, E2J07, E1J22, E5J06, A1J12A, 5AJ01, and, 20105. The determination of part IDs component replacement interval is performed with minimization of maintenance costs. The results of research show that the interval of component replacement on each part IDs is different depend on belt characteristic, breakdown properties and part IDs condition at the time. The calculation results show that part ID which need the most often of replacement interval is part ID A5J06 located in Area 3, who must be replaced after 123 hours of operation (once in every 5 days) with expected cost Rp 6.658.396, - and the rarest replacement component is part ID A5J10 located in Loading Area 7, who must be replaced after 1.122 hours of operation (every 47 days) with expected cost Rp 5.176.897,-. Keywords: Belt Conveyor, Reliability, Maintenance, Replacement Interval

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