PERENCANAAN PERAWATAN MESIN OKUMA HJ 28 DENGAN MENGGUNAKAN METODE RELIABILITY CENTERED MAINTENANCE PADA BAGIAN SERVICE ENGINEER
Abstract
Mesin Okuma HJ 28 merupakan jenis mesin bubut (CNC Lathes). Permasalahan yang ada saat ini terdapat downtime penyebab berhentinya proses produksi serta pembengkakan biaya perawatan sehingga menimbulkan kerugian bagi perusahaan serta belum adanya perencanaan perawatan dengan sistem preventive maintenance. Pada penelitian ini diarahkan pada mengetahui penyebab kegagalan fungi sistem pada mesin Okuma HJ 28 dan mengetahui bagaimana sistem pemeliharaan mesin Okuma bekerja. Reliability Centered Maintenance (RCM) merupakan proses yang digunakan untuk memutuskan jenis perawatan serta pengetesan apa yang dibutuhkan oleh suatu sistem agar sistem tersebut dapat terus berjalan sesuai dengan yang diinginkan oleh pengguna untuk bekerja sesuai dengan konteks operasinya. RCM yang digunakan pada penelitian ini memiliki 3 alat pengambilan keputusan utama yaitu Failure Mode and Effect Analysis (FMEA), diagram pengambilan keputusan RCM dan tabel pengambilan keputusan RCM.Hasil yang didapatkan dari penerapan metode penelitian ini berupa interval perawatan shiftly maintenance, monthly maintenance dan three months maintenance. Jenis perawatan yang dilakukan adalah perawatan pencegahan, perawatan prediksi serta tidak ada perawatan (no scheduled maintenance). Perawatan pencegahan dilakukan untuk kegagalan sistem yang telah diketahui metode penyelesainnya, sedangkan predictive maintenance dilakukan untuk sistem yang telah diketahui metode untuk memprediksi kegagalan sistem dan no scheduled maintenance dilakukan pada kegagalan sistem yang belum diketahui metode penyelesaiannya.
Kata kunci: CNC Lathes, RCM, FMEA, Predictive Maintenance
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