Jurnal Teknik Industri Universitas Muhamadiyah Malang

Jurnal Teknik Industri, Vol 3, No 2 (2002)

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Perencanaan Perawatan Mesin dengan Metode Markov Chain Guna Menurunkan Biaya Perawatan

M. Eartono, Ilyas Mas'udin

Abstract


Problem often faced by a fertilizer bagging machine unit is the inegularity of machine
maintenance in which the machine is operated continuously until it damages and can not be
operated any longer. It will result in relatively high down time cost.To solvet his problem we propose a machine maintenance planing based upon data acquired by using Markov Chain Method.There are four types of maintenance we propose they are:
l. Maintenance planing with corrective maintenance or high level of damage condition and preventive maintenance or mediurn le vel ofdamage condition.
2. Maintenancep laningw ith correctivem aintenancfeo r high and medium level of damage
conditiona ndp reventivem aintenancfeo r low levelo fdamagec ondition.
3. Maintenance planing with corrective maintenance or high level of damage condition and
preventive maintenance or medium and low level of damage condition
4. Maintenance planing with corrective maintenance or high and medium level of damage condition.
To determine the best proposal that will be selected we use analysis of preventive maintenance cost and corrective maintenance cost that will result in expected cost for each
machine.From the four proposals one with the least expected cost is chosen that is planing with corrective maintenance for high level of damage condition and preventive maintenance for
medium and low level ofdamage condition.

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