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ANALISIS PENJADWALAN MAINTENANCE DENGAN METODE KORELASI DAN REGRESI LINIER BERGANDA (STUDI KASUS : DIVISI FARMASI 3 PT KONIMEX)

*Novia Kholida Rahma  -  Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro, Jl. Prof. Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia 50275, Indonesia
Yusuf Widharto  -  Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro, Jl. Prof. Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia 50275, Indonesia

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Abstract

Abstrak

Sistem penjadwalan maintenance merupakan syarat umum dalam mendukung aktivitas produksi,
khususnya di PT Konimex. Divisi Farmasi 3 PT Konimex sedang melakukan uji coba terkait desain
sistem penjadwalan maintenance tetapi selama keberjalannya masih ditemukan kendala yaitu
keterlambatan penjadwalan yang dilakukan oleh supervisor lini produksi. Penelitian bertujuan untuk
mengetahui pengaruh interval deadline sejak work order diterima, jarak respon supervisor dari work
order, dan jarak respon dari deadline terhadap hari penjadwalan maintenance mesin, mengetahui
faktor-faktor penyebab tidak efektifnya sistem saat ini, dan memberikan usulan kepada perusahaan
untuk menentukan kebijakan lebih lanjut dalam pelaksanaan maintenance sehingga tidak ada
perawatan mesin yang dijadwalkan melebihi deadline yang sudah ditetapkan. Metode yang digunakan
adalah korelasi dan regresi linier berganda dengan menggunakan data historis sistem penjadwalan
maintenance sejak Juni 2020 hingga Januari 2023. Berdasarkan hasil pengolahan data didapatkan
bahwa variabel independent mempengaruhi variabel dependent sebesar 32,3% dan 67,7% masalah
keterlambatan penjadwalan disebabkan oleh faktor - faktor lain diluar sistem yang diidentifiksi dan
dianalisis menggunakan diagram sebab akibat (fishbone diagram) meliputi aspek man, machine, dan
method.

Kata kunci: Keterlambatan, Korelasi, Penjadwalan Maintenance, Regresi Linier Berganda

Abstract

Maintenance scheduling system is a common requirement in supporting production activities, especially
at PT Konimex. PT Konimex's Pharmacy Division 3 is conducting trials related to the design of the
maintenance scheduling system, but during its operation, there are still obstacles, namely scheduling
delays carried out by production line supervisors. The study aims to determine the effect of the deadline
interval since the work order is received, the distance of the supervisor's response from the work order,
and the distance of response from the deadline to the day of scheduling machine maintenance, find out
the factors causing the ineffectiveness of the current system, and provide suggestions to the company to
determine further policies in the implementation of maintenance so that no machine maintenance is
scheduled beyond the deadline that has been set. The method used is correlation and multiple linear
regression using historical data of maintenance scheduling systems from June 2020 to January 2023.
Based on the results of data processing, it was found that the independent variable influenced the
dependent variable by 32.3% and 67.7% of scheduling delay problems were caused by other factors
outside the system that were identified and analyzed using a fishbone diagram including aspects of man,
machine, and method.

Keywords: Delay, Correlation, Maintenance Scheduling, Multiple Linear Regression

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Keywords: Delay, Correlation, Maintenance Scheduling, Multiple Linear Regression

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