Perencanaan Penggantian dan Perbaikan Komponen Mesin Die Casting Kapasitas 40 Unit/Jam dengan Metode IRRO

Muhammad Yusuf Prayitno; Syamsul Hadi; Bagus Prakoso; David Avelino Anugerah Krishna Pamungkas; Ahmad Zulfa Sibro Malisi

doi:10.61132/manufaktur.v3i4.1291

Authors

Muhammad Yusuf Prayitno Politeknik Negeri Malang
Syamsul Hadi Politeknik Negeri Malang
Bagus Prakoso Politeknik Negeri Malang
David Avelino Anugerah Krishna Pamungkas Politeknik Negeri Malang
Ahmad Zulfa Sibro Malisi Politeknik Negeri Malang

DOI:

https://doi.org/10.61132/manufaktur.v3i4.1291

Keywords:

Capacity 40 Units/Hour, Component Repair, Die-Casting, Replacement Planning, Tin Terminal

Abstract

The decline in the performance of the die casting machine in 1998 after a long period of producing copper terminals showed dimensional defects and instability in product quality, especially in nozzle clogging, reduced copper flow, crust buildup on the gooseneck, plunger movement obstruction, and hydraulic pressure leaks. The purpose of planning the replacement and repair of die-casting machine components is to obtain replacement and repair costs, replacement and repair schedules for the period 2026, and the ratio of maintenance costs to profits. The replacement and repair planning method includes collecting previous maintenance data, applying the inspection-replace-repair-overhaul (IRRO) method, evaluating component conditions, predicting component service life, predicting labor costs, predicting supporting equipment to be used in maintenance, predicting the time to replace spare parts or reinstall repaired components, estimating replacement and repair costs for the period 2026, and calculating the ratio of replacement and repair costs to profits. The planning results obtained replacement and repair costs for the 2026 period are 75.770.000,- IDR with an estimated die casting machine rental rate of 1,500,000 IDR/hour which has the potential to be rented for 1,200 hours/year, and the ratio of maintenance costs to profits is 10,02 % which implies that the die casting machine with a capacity of 40 units/hour is still suitable for use and has the prospect of generating profits for the next few years.

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