SAPUTRO, IWAN (2021) ANALISIS PENGUKURAN KINERJA MESIN INJECTION MOULDING JSW J450 AD DENGAN METODE OVERALL EQUIPMENT EFFECTIVENESS ( OEE ) DAN FAILURE MODE EFFECT ANALYSIS ( FMEA ) DI PT. BUMIMULIA INDAH LESTARI. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
PT. Bumimulia Indah Lestari is a manufacturing company that produces plastic packaging using an Injection Molding machine. The problem the company is facing is the high downtime of the JSW J450 AD machine which is used to manufacture the caps. during the first half of 2020 total machine downtime was 18,060 hours. From these problems the author tries to measure the performance of the machine by using the Overall Equipment Effectiveness method. OEE measurement results show an average of 72.35%. The result is still below the world-class OEE standard which should be ≥85%. Based on pareto diagram analysis, the biggest cause of the low OEE rate is Reduced Speed Losses by 14%. After analyzing using FMEA, it was found that Mold Overheating was the biggest cause of failure with RPN 448. The recommended improvement given was to carry out routine inspections of the cooling system such as checking the condition of the hose, compressor chiller air pressure, and nepple condition. Keywords: Injection Moulding, Downtime, OEE,Pareto Diagram, Reduced Speed Losses, FMEA,RPN, Improvement. PT.Bumimulia Indah Lestari merupakan perusahaan manufaktur yang memproduksi plastik kemasan dengan menggunakan mesin Injection Moulding. Masalah yang dihadapi perusahaan adalah tingginya downtime mesin JSW J450 AD yang digunakan untuk memproduksi caps. selama semester awal tahun 2020 total downtime mesin adalah 18.060 jam. Dari permasalahan tersebut penulis mencoba mengukur kinerja mesin dengan menggunakan metode Overall Equipment Effectiveness. Hasil pengukuran OEE menunjukkan rata-rata 72,35%. Hasil tersebut masih di bawah standar OEE kelas dunia yang seharusnya ≥ 85%. Berdasarkan analisis Diagram Pareto, penyebab terbesar dari rendahnya angka OEE adalah Reduced Speed Losses sebesar 14%. Setelah dilakukan analisis menggunakan FMEA didapatkan bahwa Mold Overheating merupakan penyebab kegagalan terbesar dengan RPN 448. Rekomendasi perbaikan yang diberikan adalah dengan melakukan pengecekan rutin pada sistem pendingin seperti pengecekan kondisi selang, tekanan udara compressor chiller, dan kondisi nepple. Kata Kunci : Injection Moulding,Downtime,OEE,Diagram Pareto.Reduced Speed Losses ,FMEA,RPN.
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