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All Journal Metris: Jurnal Sains dan Teknologi
Angelina, Cecilia
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Decision Sciences, Operations Research & Management Education Engineering Industrial & Manufacturing Engineering

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Usulan Perbaikan Kinerja Mesin Produksi Kulkas Dengan Metode Overall Equipment Effectiveness Dan Failure Mode And Effect Analysis (PT. XYZ) Prabu Hidayat, Trifenaus; Sugioko, Andre; Angelina, Cecilia
Metris: Jurnal Sains dan Teknologi Vol. 26 No. 01 (2025): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v26i01.6542

Abstract

PT XYZ is a company engaged in the household electronic equipment industry, one of which is refrigerator products. Two machines that are also responsible for the refrigerator production process are cold roll forming machines and PU injection machines. The refrigerator production process at PT XYZ is still considered ineffective because it does not reach the predetermined production target. The overall equipment effectiveness (OEE) method can assess the level of effectiveness of a machine based on three categories, namely availability, performance, and quality. Based on the results of calculating machine effectiveness using the OEE method, the two machines are below the ideal limit, namely 71.5% for the CRF machine and 57.22% for the injection machine, with a CRF machine performance value of 73.99% and 59.89% for the PU injection machine. An analysis of causes and solutions was carried out using the failure mode and effect analysis (FMEA) method using the risk priority number (RPN) assessment. The causes of low machine performance levels can provide solutions to improvements that must be made by the company. The recommended solution for the company is to apply preventive measures by adding UPS and generators to the factory, adding machine component damage detection sensors, and redesigning the jig.
Simulasi Perbaikan Sistem Antrian untuk Mengurangi Waktu Tunggu Pasien Poli Umum di Klinik XYZ Menggunakan ProModel Sugioko, Andre; Angelina, Cecilia; Hidayat, Trifenaus Prabu
Metris: Jurnal Sains dan Teknologi Vol. 26 No. 02 (2025): Desember
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v26i02.7096

Abstract

The long patient waiting time in general outpatient services has become a major problem at Clinic XYZ, particularly during the screening stage and doctor consultations at peak hours. This condition negatively affects patient satisfaction and service effectiveness. This study aims to identify the causes of prolonged waiting times, propose alternative improvements, and evaluate the effectiveness of solutions through simulation using ProModel software. The simulation model was developed to represent real conditions and test several improvement scenarios. The results show that nearly 50% of patients’ time in the system is spent waiting. Four improvement proposals were suggested, namely adding more doctors, redistributing nurses’ tasks, increasing screening capacity, and implementing a single-queue system. The best proposal, which applies consistently to both morning and afternoon sessions, is the addition of doctors. Based on the analysis, this solution proved to be the most effective, reducing total waiting time by 39.75% in the morning scenario and 33.74% in the afternoon scenario. This recommendation provides a strategic basis for improving service efficiency and patient satisfaction at Clinic XYZ.
Co-Authors Sugioko, Andre Trifenaus Prabu Hidayat