ANALISIS EFEKTIFITAS MESIN BUBUT MENGGUNAKAN OVERALL EQUIPMENT EFFECTIVENES DAN SIX BIG LOSSES PADA UD LARAS JAYA LOGAM

Sutrisno, Rizqi Nurrahman Tri and Setiafindari, Widya (2024) ANALISIS EFEKTIFITAS MESIN BUBUT MENGGUNAKAN OVERALL EQUIPMENT EFFECTIVENES DAN SIX BIG LOSSES PADA UD LARAS JAYA LOGAM. Tugas Akhir thesis, University of Technology Yogyakarta.

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Abstract

Dalam proses produksi mesin yang digunakan setiap hari, ditemukan kendala yang mengalami kerusakan berupa kelistrikan motor penggerak, overheating, bearing dan part sudah aus. Berdasarkan data sekunder terkait total waktu Total Produktive Maintenance yang ada pada mesin bubut selama periode Maret 2022 hingga Februari 2023 adalah 124 jam atau 7.440 menit dari jumlah total waktu produksi yang ada. Penelitian ini menggunakan metode Total Productive Maintenance dengan analisis nilai overall equipment effectiveness. Pengukuran efektivitas mesin dapat diketahui dengan menggunakan metode OEE. Untuk mengetahui kegagalan terbesar dapat diketahui menggunakan six big losses untuk memastikan komponen yang menjadi kendala terbesar. Selanjutnya penyebab permasalahan tersebut akan dilakukan analisis menggunakan metode Failure Mode and Effect Analysis (FMEA) dengan tujuan mengetahui urutan prioritas dari permasalahan yang terjadi dan yang nantinya dicari cara menanggulangi permasalahan tersebut (improvement) agar tidak terjadi downtime saat proses produksi. Dilakukan analisis dalam penerapan Overall Equipment Effectiveness (OEE) yang dilihat dari faktor availability, performance dan rate of quality. Hasil pengukuran efektivitas menunjukan bahwa rata-rata nilai availability 96,2%, performance efficiency 92,71%, rate of quality 95,02% dengan OEE sebesar 84,71%. Nilai OEE tersebut belum memenuhi syarat standar OEE ideal yakni sebesar 85%. Berdasarkan hasil penelitian, pada UD Laras Jaya Logam terdapat beberapa penyebab rendahnya nilai OEE mesin bubut tersebut, diantaranya yaitu breakdown time losses, setup and adjustment loading time, idling & minor stoppage, reduced speed, dan defects or rework losses. Tingginya angka downtime dan defect menyebabkan proses produksi kurang efektif sehingga perlu adanya penjadwalan perawatan mesin dan improvement untuk mengurangi downtime. Kata kunci : Breakdown, Downtime, Overall Equipment Effectiveness, Failure Mode and Effect Analysis ABSTRACT In the production process of machines that are used every day, there are problems that experience damage in the form of electrical drive motors, overheating, bearings and worn parts. Based on secondary data regarding the total Productive Maintenance time available on lathe machines during the period March 2022 to February 2023 is 124 hours or 7,440 minutes of the total existing production time. This research uses the Total Productive Maintenance method with analysis of overall equipment effectiveness values. Measuring machine effectiveness can be determined using the OEE method. To find out the biggest failure, you can use the six big losses to determine which component is the biggest problem. Next, the cause of the problem will be analyzed using the Failure Mode and Effect Analysis (FMEA) method with the aim of finding out the priority order of the problems that occur and then looking for ways to overcome these problems (improvement) so that downtime does not occur during the production process. An analysis was carried out in the application of Overall Equipment Effectiveness (OEE) which was seen from the availability, performance and rate of quality factors. The effectiveness measurement results show that the average availability value is 96.2%, performance efficiency 92.71%, rate of quality 95.02% with OEE of 84.71%. The OEE value does not meet the ideal OEE standard requirements, namely 85%. Based on the research results, at UD Laras Jaya Logam there are several causes for the low OEE value of the lathe, including breakdown time losses, setup and adjustment loading time, idling & minor stoppage, reduced speed, and defects or rework losses. The high number of downtime and defects causes the production process to be less effective, so it is necessary to schedule machine maintenance and improvements to reduce downtime. Keywords: Breakdown, Downtime, Overall Equipment Effectiveness, Failure Mode and Effect Analysis

Item Type: Thesis (Skripsi, Tugas Akhir or Kerja Praktek) (Tugas Akhir)
Subjects: T Technology > TS Manufactures
Divisions: Fakultas Sains dan Teknologi > S1 Teknik Industri
Depositing User: Kaprodi S1 Teknik Industri UTY
Date Deposited: 20 Mar 2024 01:39
Last Modified: 20 Mar 2024 01:39
URI: http://eprints.uty.ac.id/id/eprint/15197

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