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All Journal Jurnal Teknologi OPSI JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) Journal Industrial Servicess Jurnal Ilmiah Teknik Industri JRSI (Jurnal Rekayasa Sistem dan Industri) Jurnal INTECH Teknik Industri Universitas Serang Raya ComTech: Computer, Mathematics and Engineering Applications IJIES (International Journal of Innovation in Enterprise System) eProceedings of Engineering
Judi Alhilman, Judi
Program Studi Teknik Industri, Fakultas Rekayasa Industri, Telkom University
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Transportation

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Analisis Nilai Performansi Mesin Splitting Dengan Metode Reliability, Availability, Maintainability, Dan Safety Analysis (rams) Di Pt.garut Makmur Perkasa Anselvi Mega Lestari; Fransiskus Tatas Dwi Atmaji; Judi Alhilman
eProceedings of Engineering Vol 7, No 2 (2020): Agustus 2020
Publisher : eProceedings of Engineering

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Abstrak Mesin Splitting pada PT.GMP merupakan salah satu mesin utama yang digunakan untuk melakukan pembelahan kulit sesuai dengan standar ketebalan yang ditetapkan oleh perusahaan. Tingginya frekuensi downtime mesin menyebabkan turunnya performa mesin yang akan mempengaruhi target produksi. Untuk itu diperlukan langkah yang tepat untuk mengurangi permasalahan tersebut dengan menganalisis nilai reliability, availability, maintainability dan safety (RAMS) pada perusahaan. Data yang digunakan adalah data waktu kerusakan mesin Splitting bulan Januari 2017 – Desember 2019. Pada perhitungan risk matrix didapatkan subsistem kritis yaitu pisau, meja, dan bearing roll. Hasil pengolahan data RAMS dengan menggunakan pemodelan RBD didapatkan nilai reliability sistem pada t= 264 sebesar 80% berdasarkan standar IVARA. Nilai inherent availability sebesar 99.51% dan operational availability sebesar 99.73%. Nilai maintainability sistem mencapai angka 100% pada t = 16 jam. Pada evaluasi indikator leading dan indikator lagging sudah mencapai target diatas 95% sesuai dengan standar IVARA World Class Maintenance Key Performance Indicator. Hasil perhitungan safety berdasarkan nilai PFD dan RRF untuk setiap subsistem pada saat interval waktu 8 jam dan 40 jam, subsistem bearing roll memiliki tingkat SIL terbesar yaitu SIL 2, subsistem pisau dan meja memiliki tingkat SIL 2 pada waktu 8 jam dan memiliki SIL 1 pada waktu 40 jam. Perhitungan ini berdasarkan standar IEC 61508. Kata Kunci : Splitting, Reliability, Availability, Maintainability, Safety, Reliability Block Diagram, Maintenance Key Performance Indikator, SIL, IEC 61508. Abstract Splitting machine at PT.GMP is one of the main machines used to do skin cleavage in accordance with the thickness standards set by the company. The high frequency of engine downtime causes a decrease in engine performance which will affect production targets. For this reason, appropriate steps are needed to reduce these problems by analyzing the value of reliability, availability, maintainability and safety (RAMS) in the company. The data used is Splitting machine damage data for January 2017 - December 2019. In the calculation of the risk matrix, critical subsystems are obtained, namely knives, tables and bearing roll. The results of RAMS data processing using RBD modeling obtained value of system reliability at t = 264 of 80% best on IVARA world class standard. The inherent availability value is 99.51% and operational availability is 99.73%. The system maintainability value reaches 100% at t = 16 hours. In the evaluation of leading indicators and lagging indicators have reached targets above 95% in accordance with IVARA World Class Maintenance Key Performance Indicator standards. The safety calculation results are based on the PFD and RRF values for each subsystem at intervals of 8 hours and 40 hours, the bearing roll subsystem has the largest SIL level, namely SIL 2, the knife and table subsystem has a SIL 2 level at 8 hours and has SIL 1 at the time 40 hours. This calculation is based on the IEC 61508 standard. Keywords: Splitting, Reliability, Availability, Maintainability, Safety, Reliability Block Diagram, Maintenance Key Performance Indicators, SIL, IEC 61508.
Usulan Kebijakan Maintenance Mesin Paving Rh1s15 Pada Proses Produksi Paving Block Di Cv. Samson Jaya Utama Dengan Menggunakan Metode Reliability And Risk Centered Maintenance (rrcm) Naufal Muhammad Iqbal; Endang Budiasih; Judi Alhilman
eProceedings of Engineering Vol 8, No 5 (2021): Oktober 2021
Publisher : eProceedings of Engineering

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CV. Samson Jaya Utama merupakan pabrik yang bergerak di bidang produksi paving block. Pada periode tahun 2018 – 2019, CV. Samson Jaya Utama memiliki penurunan jumlah produksi dan pada tahun 2019 jumlah produksi tidak mencapai target produksi perusahaan. Hal ini dikarenakan tingginya frekuensi kerusakan mesin paving di CV. Samson Jaya Utama. Frekuensi kerusakan yang tinggi disebabkan karena kegiatan pemeliharaan di perusahaan belum mempertimbangkan karakteristik kerusakan. Untuk menunjang mesin paving agar bekerja sesuai dengan fungsinya, maka perusahaan harus melakukan kegiatan pemeliharaan yang mempertimbangkan karakteristik kerusakan. Oleh karena itu penelitian ini menggunakan metode Reliability and Risk Centered Maintenance (RRCM). Tujuan penelitian ini adalah untuk mengetahui usulan kebijakan pemeliharaan yang optimal dan biaya pemeliharaannya. Dalam menentukan komponen kritis, penelitian ini menggunakan Risk Priority Number dan terpilih tiga komponen yaitu plat besi st 37, pillow block, dan trusco rubber. Dengan menggunakan metode RRCM, maka didapatkan proposed maintenance task dan total biaya pemeliharaannya. Berdasarkan hasil pengolahan data, diperoleh 4 proposed maintenance task dengan tiga schedule on condition task dan satu schedule discard task. Dapat diketahui bahwa nilai usulan interval waktu pemeliharaan untuk setiap komponen kritis lebih rendah dari nilai MTTF-nya. Total biaya pemeliharaan usulan yang didapat sebesar Rp25,011,299,- per tahun dimana biaya tersebut lebih kecil Rp Rp13,385,377,- dari total biaya pemeliharaan eksisting per tahun. Kata kunci : Pemeliharaan, Reliability and Risk Centered Maintenance, Interval waktu pemeliharaan
Analisis Penilaian Performansi Mesin Toshiba Pada Pt Xyz Berdasarkan Analisis Trend Dan Korelasi Serial Dengan Menggunakan Metode Reliability, Availability, And Maintainability (ram) Ariqa Radhwa; Judi Alhilman; Endang Budiasih
eProceedings of Engineering Vol 7, No 2 (2020): Agustus 2020
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Abstrak Mesin Toshiba merupakan salah satu mesin CNC yang memiliki frekuensi kerusakan tertinggi dibanding mesin CNC lainnya pada PT XYZ. Kerusakan mesin yang dapat terjadi secara terus-menerus berdampak pada operational perusahaan yang dapat membuat aktivitas utama tidak dapat dilakukan. Oleh karena itu, perlu adanya analisis Reliability, Availability dan Maintainability (RAM) untuk mengetahui performansi mesin dan untuk mengurangi frekuensi kerusakan pada subsistem kritis mesin tersebut. Mesin Toshiba memiliki enam subsistem, dengan menggunakan risk matrix terdapat tiga subsistem kritis yaitu subsistem hydraulic, coolant, dan spindle. Asumsi dalam melakukan RAM analysis yaitu data TBF dan TTR subsistem kritis harus Independent and Identically Distributed (IID) dengan melihat pada analisis trend dan korelasi serial. Setiap subsistem kritis merupakan IID karena data TBF dan TTR tidak memiliki trend dan korelasi serial. Berdasarkan hasil pengolahan data menggunakan metode RAM analysis dengan menggunakan pemodelan Reliability Block Diagram (RBD), pada t = 680 jam nilai reliability hydraulic (69.14%), coolant (71.35%), spindle (74.53%) dan keseluruhan sistem kritis yaitu 36.77%. Untuk mencapai nilai maintainability 100% membutuhkan waktu berkisar antara 1 - 17 jam dengan nilai inherent availability 99.49% dan operational availability 98.89%. Berdasarkan hasil evaluasi standar IVARA World Class Maintenance Target for Key Performance Indicator, nilai leading indicator dan lagging indicator telah mencapai target. Kata Kunci : Mesin Toshiba, Reliability, Availability, Maintainability, RAM analysis, Independent and Identically Distributed (IID), Reliability Block Diagram (RBD). Abstract Toshiba machine is one of the CNC machines that has the highest frequency of damage compared to other CNC machines at PT XYZ. Machine damage that can occur continuously has an impact on the company operations that can make the main activities can not be done. Therefore, it is necessary to have a Reliability, Availability, and Maintainability (RAM) analysis to determine the performance of machine and to reduce the frequency of damage to the critical subsystem of the machine. Toshiba machines have six subsystems, using the risk matrix there are three critical subsystems namely hydraulic, coolant, and spindle subsystems. Assumptions in performing RAM analysis are TBF data and TTR critical subsystems must be Independent and Identically Distributed (IID) by looking at trend analysis and serial correlation. Each critical subsystem is an IID because TBF and TTR data do not have trends and serial correlations. Based on the results of data processing using the RAM analysis method using Reliability Block Diagram (RBD) modeling, at t = 680 hours the value of hydraulic reliability (69.14%), coolant (71.35%), spindles (74.53%) and the overall critical system is 36.77%. To achieve 100% maintainability, it takes between 1-17 hours with an inherent availability of 99.49% and operational availability of 98.89%. Based on the evaluation results of IVARA World Class Maintenance Standards Target for Key Performance Indicators, the value of leading indicators and lagging indicators have reached the target. Keywords : Toshiba Machine, Reliability, Availability, Maintainability, RAM analysis, Independent and Identically Distributed (IID), Reliability Block Diagram (RBD).
Usulan Estimasi Remaining Life Dan Optimasi Jadwal Inspeksi Pada Pipa Penyalur Gas Menggunakan Metode Risk Based Inspection (rbi) Semi Kuantitatif Di Pt Xyz Dian Hayyu Rana Muna; Judi Alhilman; Endang Budiasih
eProceedings of Engineering Vol 7, No 2 (2020): Agustus 2020
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Abstrak Pipa penyalur (pipeline) sebagai alat transportasi utama di industri minyak dan gas bumi (migas) memiliki risiko kegagalan tinggi dalam pengoperasiannya untuk menyalurkan fluida dari sumur penghasil (well) menuju tempat pengolahan (gas plant) kemudian didistribusikan ke konsumen. PT XYZ adalah perusahaan yang menyelenggarakan usaha di bidang pengolahan migas. Dari empat pipa penyalur milik PT XYZ yang aktif beroperasi di Tanggulangin gas plant, pipa TGA#5 memiliki frekuensi kebocoran tertinggi. Oleh sebab itu, perlu dilakukan penilaian risiko (risk assessment) dan standar penilaian umur layanan jaringan pipa menggunakan metode Risk Based Inspection (RBI) semi kuantitatif. RBI merupakan metode untuk merencanakan inspeksi berdasarkan risiko kegagalannya. Penelitian ini mengacu standar API 581 Risk Based Inspection Technology dengan mekanisme kerusakan thinning. Tujuan penelitian adalah untuk mengetahui level risiko kegagalan, langkah mitigasi risiko, estimasi remaining life, metode inspeksi, dan perencanaan program inspeksi yang efisien dari segi waktu dan biaya. Dari hasil penilaian risk matrix RBI pipa TGA#5, diperoleh tiga segmen high risk dan satu segmen medium risk. Kemudian dibuat program inspeksi untuk menurunkan tingkat risiko serta menjaga integritas pipa berdasarkan level risiko dan estimasi remaining life. Metode inspeksi utama yang digunakan termasuk NDE (Non-Destructive Examination) yaitu UT scans, profile radiography, dan visual examination. Perbedaan percepatan laju korosi secara signifikan mempengaruhi hasil penilaian risiko. Nilai laju korosi ditentukan berdasar pengukuran ketebalan dinding aktual. Dibutuhkan penelitian lebih lanjut terkait hasil pengukuran ketebalan dengan menggunakan metode repeatability dan analisis penyebab percepatan laju korosi pada tiga segmen high risk. Berbagai aspek implementasi dapat dilakukan termasuk tindakan perawatan untuk kerusakan korosi. Kata kunci: Gas Pipeline, Risk Based Inspection, API 581, Risk Matrix, Program inspeksi. Abstract Pipeline as the main transportation equipment in the gas and petroleum industry has a high risk of failure in its operation to distribute oil and gas from oil-producing wells to gas plant to be further distributed to consumers. PT XYZ is a gas and petroleum processing company. Of the four active operating PT XYZ’s pipelines in Tanggulangin gas plant, the TGA#5 gas pipeline has the highest leakage frequency. Therefore, a risk assessment and service life assessment standards are required in pipeline using the Semi-Quantitative Risk Based Inspecion (RBI) method. RBI is a method for determining inspection plans based on the risk of failure. This research is referring to the standard API 581 Risk Based Inspection Technology and thinning damage mechanisms. The purpose of this study is to determine the level of failure risk, propose risk mitigation measures, estimate remaining life, propose pipeline inspection methods, and planning of an efficient inspection program in terms of time and cost. Based on the analysis of risk level using the RBI risk matrix, the study found three high risk segments and one medium risk segment, and further proposed an inspection to reduce the level of risk and to maintain the durability of the pipeline based on risk level categories and estimated remaining life. The main inspection methods used are those that include NDE (Non-Destructive Examination), namely UT scans, profile radiography, and visual examination. The difference in corrosion rate acceleration significantly affects the results of risk assessment. The value of corrosion rate is determined based on actual wall thickness ISSN : 2355-9365 e-Proceeding of Engineering : Vol.7, No.2 Agustus 2020 | Page 6447 measurements. More research is needed regarding thickness measurement by using the repeatability method and analysis the cause of corrosion rate acceleration on three high risk segments. Various aspects of implementation can be carried out including maintenance measures for corrosion damage. Keywords: Gas Pipeline, Risk Based Inspection, API 581, Risk Matrix, Inspection Program.
Analisis Tingkat Efektivitas Mesin Bowl Cutter Laska Dengan Menggunakan Metode Total Effective Equipment Performance (TEEP) Untuk Menentukan Kebijakan Pemeliharaan Pada PT XYZ Samlistiya, Fahmi Rizal; Alhilman, Judi; Pamoso, Aji
eProceedings of Engineering Vol. 11 No. 4 (2024): Agustus 2024
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PT XYZ adalah salah satu perusahaan yang memproduksi dan mendistribusikan makanan olahan beku berbahan baku dasar seafood, yang diolah menjadi produk olahan, baik ke pasar domestik maupun mancanegara. Fokus utama penelitian ini adalah mengevaluasi kondisi mesin, menentukan faktor-faktor pengaruh dalam six big losses, dan merumuskan kebijakan pemeliharaan untuk meningkatkan efektivitas mesin. Mesin bowl cutter laska dipilih sebagai objek penelitian dikarenakan memiliki jumlah frekuensi kerusakan tertinggi dibandingkan dengan mesin yang lainnya pada PT XYZ. Metode TEEP digunakan untuk mengukur efektivitas mesin yang dihitung dari utilization dengan overall equipment effectiveness (OEE). Banyak faktor mempengaruhi hasil perhitungan efektivitas, dan faktor dengan persentase tertinggi dievaluasi dengan fault tree analysis (FTA). Hasil temuan ini digunakan sebagai dasar untuk kebijakan pemeliharaan dan didapatkan bahwa pengukuran efektivitas menunjukkan bahwa kondisi mesin Bowl Cutter Laska buruk dan tidak berjalan secara optimal. Nilai OEE rata-rata sebesar 81% dan kurang dari standar JIPM kelas dunia (85%). Hal tersebut juga berlaku pada nilai total effective equipment performance (TEEP) rata-rata sebesar 45%. Rendahnya OEE dan TEEP disebabkan oleh kurangnya pemanfaatan aset, seperti kapasitas produksi dan waktu operasi yang tidak digunakan secara maksimal sehingga hal tersebut mempengaruhi nilai six big losses pada faktor idling and minor stoppages losses sebesar 20% dan reduce speed losses sebesar 16%. Usulan kebijakan pemeliharaan melibatkan analisis FTA dan penerapan autonomous maintenance secara terjadwal diusulkan untuk mencegah kerusakan mesin. Kata kunci: OEE, TEEP, Six Big Losses, Fault Tree Analysis
IT Governance Analysis and Design of Microfinance Institution Using COBIT 5 Framework Evaluate, Direct, Monitor (EDM) and Align, Plan, and Organize (APO) Domains (Case Study: PT Sarana Jabar Ventura) Saputra, Muhammad Tamami Dwi; Alhilman, Judi; Supratman, Nurdinintya Athari; Jonathan, Fernaldi; Mulyana, Rahmat; Prasetyo, Yuli Adam
International Journal of Innovation in Enterprise System Vol. 1 No. 1 (2017): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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A microfinance institute (LKM/ Lembaga Keuangan Mikro) is a company that focuses in providing funds to small, early-stage, and emerging firms or small medium enterprises. A company that is engaged in financial sector and works under the surveillance of OJK/ FSA (Financial Service Authority) always has some questions whether this company really needs to implement IT Governance best practices or to what extent it does. The research in PT Sarana Jabar Ventura as one of the microfinance institutes using COBIT 5 framework for the domain of EDM (Evaluate-Direct-Monitor) & APO (Align-Plan-Organize) has shown that the existing practice is not adequate enough to align the business to IT and to manage its risk optimally so the IT solution will be beneficial for the business. Therefore, it is necessary to design the IT governance practice here, based on the seven enablers of COBIT 5 which are categorized into 3 aspects: process, people, and technology. The results of this research are design recommendations as follows: IT policy, procedures, organization structure, job description and the supporting tools and technology. It is expected that the company will implement the results in the near future. Keywords—COBIT 5, IT governance, microfinance institution
Performance Assessment Based on Reliability of Weaving M251 Machine Using Reliability, Availability & Maintainability (RAM) and Cost of Unreliability (COUR) Methods (Case Study at PT Buana Intan Gemilang) Nainggolan, Devi Julietta; Alhilman, Judi; Supratman, Nurdinintya Athari
International Journal of Innovation in Enterprise System Vol. 1 No. 1 (2017): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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The textile industry is one of industries that has an important role in the national economy. PT Buana Intan Gemilang (BIG) is one of textile industry in Indonesia which uses Weaving machine to produce motif and sajadah fabrics. The purpose of this research is to analyze the reliability of Weaving M251 machine that has the most damage in 2014. To avoid losses due to machine damage, the reliability, availability and maintainability of the machine need to be improved by using Reliability, Availability & Maintainability (RAM) Analysis method. In addition, the total cost caused by RAM problems can be calculated by using Cost of Unreliability (COUR) method. Based on the evaluation using Reliability Block Diagram (RBD) modeling, it is found that the critical subsystem reliability = 44.36% for 144 working hours and the total repair time that the critical subsystem needs to perform in acceptable operational condition , at least in 1 to 70 hours. There are two different forms of availability that have been calculated, therefore inherent availability = 95,546% which is used as leading indicator, and operational availability = 85,572% which used as lagging indicator. as it is compared, lagging indicator does not meet the performance of leading indicator. The total of unreliability cost when the machine is in active repair time = 39,580,689.02 IDR and within downtime = 135,588,452.13 IDR. Keywords—Cost of Unreliability (COUR), Lagging Indicator, Leading Indicator, Reliability, Availability & Maintainability (RAM) Analysis.
Performance Evaluation on Printing Machine Goss Universal Using Reliability Availability Maintainability (RAM) Analysis and Overall Equipment Effectiveness (OEE) Wulandari, Sari; Saputra, Muhammad Tamami Dwi; Alhilman, Judi; Athari, Nurdinintya
International Journal of Innovation in Enterprise System Vol. 1 No. 1 (2017): International Journal of Innovation in Enterprise System
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The development of science and technology that has been developed more rapidly at this time, along with the increasing need for information itself. By producing a newspaper every day then the states forced PT Pikiran Rakyat to further improve the smoothness, the effectiveness and efficiency of the printing. One way to measure the performance of machines in general by using OEE and to minimize the possibility of losses to be borne by the company is improving the Reliability, Availability and Maintainability (RAM). By using the data in the form of MTTF (Main Time to Failure) and MTTR (Main Time To Repair) of each subsystem of the printing press. Based on calculations using the method of Overall Equipment Effectiveness, by performing calculations based on three main parameters with a study for eight months or 5760 hours, show that the value of the Availability of 75%, the value of the Performance of 97%, and the value of Quality by 98%, then the system has OEE values of 71.60%. The system has a reliability score of 10.59% at 70 hours based on the analytical approach. Maintainability calculations using modeling reliability block diagram, it is found that the entire unit in the system has a chance to settle down a minimum of 12 hours to be able to function again with a probability of 100% to reach its original state. During the eight-month study, Inherent Availability of the system is 99.52% based on analytical approach and Operational Availability of the system is 73.91%. Keywords—Reliability, Availability, Maintainability, OEE, MTTF, MTTR
Money Back Warranty on Pricing in Dual Channel Supply Chain (Case Study : Garlick Store Surabaya) Nainggolan, Devi Julietta; Alhilman, Judi; Supratman, Nurdinintya Athari; Nuha, Hilyatun; Karunia Wati, Putu Eka Dewi
International Journal of Innovation in Enterprise System Vol. 2 No. 1 (2018): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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The development of internet brings great influence in business management, especially in supply chain. Transaction conducted through the internet in supply chain known e-fulfillment, is an integrated process from receiving customer order, managing transaction, warehousing, managing transportation, communicating, with customer using media of information technology. Online sales concept opens up the researchers to conduct research on online sales and offline sales simultaneously, known Dual Channel Supply Chain (DCSC). One category of products that are sold using this structure is fashion product. However, selling fashion product using DCSC structure it still has shortcomings and challenges. Due to customer can not make a selection, viewing and researching product and quality inspaction product dierctly. Based on this, some enterprises provide product warranty sales system offered. Warranty as a guarantee given to customer to provide security and comfort for making purchases. Warranty gives impact on price of product, both online and offline. This leads to the need to do a calculation the optimum price considering money back warranty. Optimum price obtained in the model demand function using quadratic programming adressing the objective function in the form profit maximum in individual channel (Pw, Ps dan Po) as well as whole profit in DCSC by considering the value of money back warranty (g). The result obatained is optimum price for two scenarios. There are optimum price in individual channel without money back warranty and optimum price in online channel with accomodate money back warranty. Keywords—dual channel supply chain (DCSC); money back warranty; optimization.
Proposed Policy Preventive Maintenance Machine Moriseiki NH 4000 DCG Method of Reliability Center Maintenance (RCM) And Risk Based Maintenance (RBM) Case Study PT Pudak Scientific Bewana, Zanuar Galang; Triwibisono, Christanto; Widyastuti, Litasari; Husaini, Fachri; Alhilman, Judi; Athari, Nurdinintya
International Journal of Innovation in Enterprise System Vol. 2 No. 2 (2018): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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PT Pudak Scientific is a company engaged in the manufacture of aircraft parts industry. Meeting the precise and timely demand of aerospace parts from customers becomes a major corporate responsibility. However, Loss Revenue often occurs due to engine breakdown. So that cause because the production target is not achieved, the product reject, and the delay of delivery. One of the machines that often experience breakdown is Mori seiki NH4000 DCG. Mori seiki NH4000 DCG is the finishing machine for Blank fork End product. The demand for this part is quite large, making it a tough task for the Mori Seiki NH4000 DCG machine. But because the breakdown of the machine is high enough to cause production targets every month are often not met. In addition, Maintenance activities that have not noticed the characteristics of engine damage, as well as the distribution of historical data of the machine causing less effective and efficient actions resulted in substantial Maintenance costs. Based on the results of risk analysis of Mori Seiki NH4000 DCG engine damage, in terms of performance loss system caused by a large enough that is 3.773% of machine production capacity per year. This figure exceeds the risk acceptance criteria by the company that is 2%. Therefore it is necessary to find the appropriate Maintenance policy for the Mori Seiki NH4000 DCG machine. The approach is to use Reliability Centeres Maintenance and Risk Based Maintenance. Based on the above two approaches obtained the appropriate interval time so that the Maintenance activities more effective and can improve the efficiency of treatment by reducing the cost of care previously Rp167.506.286, - per year, to Rp 96.147.061, - per year. With the policy is expected to reduce engine breakdown and performance loss caused. So the number of risks that arise for the future are within the criteria of acceptance set by the company. Keywords: Preventive Maintenance, Reliability centered Maintenance, risk based Maintenance, Performance loss
Co-Authors Ade Rizka Eliyus Ade Rizka Eliyus, Ade Rizka Afiva, Wirda Hamro Agus Alex Yanuar Ahmad F Abdillah Ahmad Musnansyah Aji Pamoso Amanah Ansarullah Amelia Kurniawati Annisa Azmi Annisa Prias Maysarah Anselvi Mega Lestari Ariqa Radhwa Aulia, Valinouski Azmi, Moh Daffa Al Azylia Putri Denia Bewana, Zanuar Galang Budi Santosa Chairun Nisa Christanto Triwibisono Damanhuri Nurul Huda Destina Surya Dhamayanti Destina Surya Dhamayanti Destina Surya Dhamayanti, Destina Surya Devi Julietta Nainggolan Dhofar Shafarrizqullah Separman Dian Hayyu Rana Muna Dian Rahmania Ditya Dwi Astuti Dzakir, Daffa Mukhtar Endang Budiasih Fachri Husaini Fachri Husaini Fakhrul Razi Frima Fathnin, Nisrina Fatwa Anggayana Basanta Fitria, Tariza Fransiskus Tatas Dwi Atmaji Hario Ardi Nugroho Hidayat, Diansah I Gede Oka Mahendra Ida Bagus Yoga Samkhyaita Ihsan Mahdi Wiragunanto IKA PRAESITA IKA PRAESITA, IKA Indah Kurniawati Indira Kusuma Wardani Izzaqi, Pebrina Donna Jonathan, Fernaldi Lestari Atika Putri Litasari Widyastuti, Litasari Liza Nafiah Maulidina Liza Nafiah Maulidina Made Shanti Sarashvati Made Shanti Sarashvati Maulidina, Liza Nafiah Mohamad Rizky Utomo Mohammad Badar Mohammad Tajudin Mohammad Tajudin Muhamad Rafif Arrahman Muhammad Faris Solihin Muhammad Hamdan Muhammad Ilham Maulana Muhammad Ilham Z Muhammad Rifki Fadil Muhammad Siddiq Muhammad Tamami Dwi Saputra Muhammad Tamami Dwi Saputra Muthi Maisa Zulfatri Nadia Ulfa Nadia Ulfa Nainggolan, Devi Julietta Naufal Muhammad Iqbal Nisrina Fathnin Nopendri Nopendri Noviyanti Permata Sari Nuha, Hilyatun Nurdinintya Athari Supratman Nurrahman, Ferro Arief Nurul Sholihah Ekowati Oktaria Tyas Pambayun Pebrina Donna Izzaqi Pradipta, Sandy Argya Prima Hutama Putra Abdi Putri Ratnasari Putro, Budi Laksono Putu Eka Dewi Karunia Wati Rahmat Mulyana Rd. Rohmat Saedudin Reano Anggradwika Revy Desfriansyah Rosi Pratiwi Samlistiya, Fahmi Rizal Saputra, Muhammad Tamami Dwi Sarashvati, Made Shanti Sari Wulandari Selvi Marcellia Shabrina Fauzani Shintya Asih Angelita Tampubolon Sutrisno Sutrisno Sutrisno Sutrisno Syahda Bintarum Taufiq Ismail, M Terrin Eliska Ully Tri Kirana Ully Tri Kirana Ully Tri Kirana, Ully Tri Valinouski Aulia Vanita Zahra Zahirah Warih Puspitasari Wirda Hamro Afiva Wirda Hamro Afiva Yudha Permana Yuli Adam Prasetyo Zhafran Ega