Jurnal Optimasi Sistem Industri

Jurnal Optimasi Sistem Industri
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    252 research outputs found

    Perancangan Sistem Manajemen Mutu Terintegrasi di Baristand Industri Padang

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    Baristand Industri Padang is an agency under control Ministry of Industry of Indonesia which it has a duty to serve the industries involving research activities, standardization and certification. To realize the programs, Baristand Industri Padang implemented a quality management system including ISO 9001, ISO/IEC 17025, ISO/IEC 17065, and KNAPPP 02. Nevertheless, it has been running separately. Therefore, quality of products not only proven by testing the final product, but also needed other evidence as a certificate that ensuring the quality of products. This research aims to design the Quality Management System for Baristand Industri Padang which it was implemented using life cycle methodology. Finding of this study revealed there was integration of ISO 9001, ISO/IEC 17025, ISO/IEC 17065, and KNAPPP 02 in the context of the structure of the process, documents, and organization. In the context of the structure of processes, it obtained four groups of primary process involving management, research and standardization, support, and improvement. Moreover, In terms of documentation, there was three levels of the document such as the document of strategic policy, quality guideline and procedures. While aspects of the organizational structure, the integration of quality management system required to develop the organizational structure that consist of Top Management, Technical Manager, Quality/Management Representative, Researcher and Administrative/Technical Staff. In addition, this study provided an integrated quality management information system including management of quality documents and quality records. Finally, the integrated quality management system and quality management information system has been designed to meet the expectations of the organization

    Analisis Perawatan Mesin dengan Pendekatan RCM dan MVSM

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    Maintenance system at UMKM ED Aluminum Yogyakarta is using preventive and corrective maintenance program, but the implementation of this program still have many problems. The problem occurs because there is no maintenance system program and the company doesn’t have Standard Operational Procedure (SOP) in maintenance to overcome machine failures resulted in the increase of the downtime value. To cope the problems,  in this paper we used application of SOP and appropriate task maintenance selection using Maintenance Value Stream Map (MVSM) method supported by Reliability Centered Maintenance (RCM). Beside task selected among all products that have been produced, there is one machine that gives the biggest profit to the company. The product is feet infusion. Kondia milling machine is one of machines produces the feet infusion that has the longest downtime which was 17,75 hour during January 2016 until October 2016. RCM consist of Failure Mode Effect Analysis (FMEA), Pareto diagram, decision worksheet RCM, whereas the MVSM describes the maintenance activity. Based on Pareto analysis, the critical components on the Kondia milling machine were the magnetic contactor, relay, fuse, cutter, dynamo and bearing. The result of RCM decision worksheet proposed the appropriate action for the critical components cares. The Standard Operational Procedure (SOP) for the maintenance system on the operation of Kondia milling machine are suggested to the company for getting more significant outcome

    Analisis Pemeliharaan Mesin Blowmould dengan Metode RCM di PT. CCAI

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    PT. Coca-Cola Amatil Indonesia is a company that produces carbonated beverages. Most of the production activity uses automatic machines. The problem faced is the damage that often occurs suddenly on the blowmould machine so that corrective maintenance must be done. The purpose of this research is to know the cause of the damage and to propose the action plan to minimize downtime. The method used is Reliability Centered Maintenance to determine the selection of action and time interval of replacement for critical components on the blowmould machine. From the FMEA analysis, it is known that the critical components of each blowmould machine subsystem are bearing roller feed, mandrel, seal gasket, and fitting. The results of LTA analysis are the category of failure (outage problem and economic problem) and the selection of action for the critical component (time directed). From the calculation of Total Minimum Downtime, known that the replacement schedule for critical component are 23 days for bearing roller feed, 9 days for mandrel, 8 days for seal gasket, and 8 days for fitting, that is resulting in decreased downtime of 1.56% with a value of 99.63% availability

    Analisis Postur Kerja Aktivitas Pengangkatan Karung di PT. Indofood CBP Sukses Makmur Tbk. Cabang Makassar

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    PT. Indofood CBP Sukses Makmur Tbk is a company that works in the field of food processing industry which produces instant noodles, Indomie. At this company, human resource management gives a significant effect on the production sustainability and development. The observation that conducted in PT. Indofood CBP indicates that loading and delivering process are still using the manual procedure which uses human power with loading capacity around 25 kg. The observation focus on two working movement elements used by the screw machine workers consists of bending over when lifting and pouring the wheat flour sack resulted in worker’s frequent complaints related to the waist and backbone problems. The objective of this research is to discover the risk arising from lifting and delivering techniques used by the screw machine workers in PT. Indofood Sukses Makmur Tbk., then analyze the worker’s workload based on the observation result. Rapid Entire Body Assessment (REBA) method was used to analyze the data and it is concluded that lifting and pouring procedures used by the screw machinery workers in PT. Indofood CBP have a high risk of injury since the REBA scores of both activities is 5 or on the third level. This score means that immediate improvement on the working system is needed

    Evaluasi Kualitas Layanan terhadap Operator Telekomunikasi: Tinjauan Perspektif Pelanggan

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    PT. X organizes the office promotion every year, however it has not implemented the performance appraisal concept. This study was conducted on junior analyst at Laboratory Department of Routine Test in PT.X which has the highest number of employees in PT. X. This research aimed to find out the performance appraisal criteria and sub-criteria of the junior analysts, provide the weighting for each criteria and sub-criteria using Analytic Hierarchy Process (AHP) method, and recommend the planning framework of performance appraisal for junior analyst using Rating-Scale method in order to conduct the office promotion. The main criteria derived from this research were attendance, working target attainment, work thoroughness, proactive, empathy, cooperation (team/organization), analytical thinking, and flexibility. The result showed the working target attainment as the most important of the criterion approximately 0.248. Moreover, the consistency ratio around 0.020. In addition, the result of this research is applicable and could be proposed for conducting performance appraisal of junior analysts at Laboratory Department of PT. X in order to perform the office promotion

    Desain Portofolio Optimal untuk Keputusan Investasi pada Fase Krisis Keuangan

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    This research aims to design optimal portfolio with a case study of stocks listed on the Indonesia Stock Exchange (IDX) that conduct transactions in the period 2011-2015. The sample used were 396 companies listed on nine sectors in BEI. Arbitrage Pricing Theory (APT) method is used to determine the realized return, expected return, and efficient portfolio involving four macroeconomic factors (Stock Price Index (IHSG), interest rate of Indonesian Bank Certificates (SBI), Inflation and Exchange Rate of Rupiah against the US Dollar). Efficient portfolio is formed by 231 undervalued companies. While the optimal portfolio with the Excess Return to Beta (ERB) approach was formed by 42 companies with a ERB value greater than (or equal to) cut-off point (0,1912). Under the uncertainty of the investment climate due to the global financial crisis, the decision to make investments needs to be done carefully and consider various factors, including macroeconomic factors. This research has succeeded in designing an optimal portfolio that can be a guide for investors to determine investment decisions

    Usulan Aplikasi Metode Material Requirement Planning (MRP) dalam Perencanaan Kebutuhan Firebrick PT Semen Padang

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    The purpose of this article is to describe the results of research models firebrick requirements planning in PT Semen Padang with MRP method. Firebrick is one of the spare parts and essential in the production of operational PT Semen Padang as protective and insulating of shell kiln. This article describes the firebrick requirements planning at all kiln Indarung II / III, IV and V to meet the needs of 2017 up to 2018. One type of firebrick most widely used in PT Semen Padang is spinal firebrick. Spinal firebrick highly susceptible to hydration and moisture as the main component is MgO compound that is hygroscopic so susceptible to damage in the form of cracks firebrick. Based on the research that has been done, get MRP application design that can be used in planning the needs of firebrick PT Semen Padang to come. Plans need firebrick for compliance in 2017 to 2018 : (a) item 422 purchased through two phases in the 4th month of 12.711 pcs and in the 9th month of 24.909 pcs (b) item 622 purchased through two phases in the 4th month of 21.185 pcs and in the 9th  month of 41.515 pcs (c) item P22 purchased through two phases in the 4th month of 446 pcs and in the 9th month of 874 pcs (d) item P + 22 purchased through two phases in the 4th month of 446 pcs and in the 9th month of 874 pcs (e) item 425 purchased in the 8th month of 14.626 pcs (f) item 825 purchased in the 8th month of 20.600 pcs (g) P25 item purchased in the 8th  month of 412 pcs (h) P + 25 items purchased in the 8th month of 412 pcs

    Sistem Peringatan Dini untuk Mendeteksi Lifetime Sparepart pada Mesin TR OSAWA

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    Maintenance is a very important activity to keep an equipment always at its best condition. This research aims to create an early warning system/ lifetime spare parts detector of Nissin Kogyo Batam (NKB)Company’sTR Osawa machine by adopting PLC (Programmable Logic Controller). PLC is used to automatically calculate the lifetime spare parts of TR Osawa machine. PLC will shut down the machine if it detects that lifetime spare parts have reached the specified setting standard (380-400 k pcs). As a result, PLC machine can provide more accurate results than manual counting

    Portofolio Optimal dan Pengelompokan Perusahaan Berdasarkan Pengaruh Komoditas Dunia

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    The awarding of investment grade to Indonesian Stock Exchange marked an excellent development in the national capital market. This could be the key to attracting foreign investors that will further integrate the Indonesia capital market with international markets. Increasingly integrated capital market will also be more vulnerable to international issues such as the volatility of global stock indices as well as the volatility of world commodity prices (crude oil, CPO, gold etc.) as indicated by IHSG response to these issues. To minimize risk and maximize the return are the main goal of investment. Both of these two objectives can be achieved through stocks diversification and the portfolio development. Optimal portfolio requires the right stocks diversification. Therefore, investor needs to have information about which stocks are affected and unaffected by world commodity prices prior to diversifying. The goal of this research is to examine the way to form optimal portfolio from the group of companies listed in Indonesian Stock Exchange and affected by world commodity prices. Augmented Dickey Fuller (ADF) method used for stationary test of time series data and residual regression models. Regression Analysis conducted for co-integration test between commodity prices and IHSG. Error Correction Model used for correcting short-term errors. Optimal portfolio formed with Single Index Model and Treynor Index used to measure the optimal portfolio performance. Result of the study showed that gold, crude oil, platinum, rubber, corn, cotton, and Arabica coffee are the global commodities that can be used to predict the direction of IHSG movement

    Hubungan Phantom Vibration Syndrome Terhadap Sleep Disorder dan Kondisi Stress

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    Phantom vibration syndrome is a condition where a person would feel the sensation of vibration of a cell phone as if there were incoming notification but the fact is not. This research investigated the relationship between phantom vibration syndromes, sleep disorder and stress condition. Questionnaires were distributed to 120 participants with age range 18 to 23 years old. Data of participants showed that all of participants using a smart mobile phone and 24% of them have more than one cell phone. Time usage of cell phone is at least 1 hour. 23% of participants using a cell phone for social media activity, followed by 21% related to entertainment (music, video and games). The results showed a positive relationship between phantom vibration syndrome, sleep disorder and stress condition. Insomnia contributed a greater influence on stress condition. However, the phantom vibration syndrome is more directly affecting the sleep apnea compared to insomnia and stress condition. Therefore, the phantom vibration syndrome more affects stress condition indirectly, through sleep disorder (sleep apnea and insomnia). Consequently, phantom vibration syndrome has a strong relationship with stress condition at the time of the phantom vibration syndrome can cause sleep disorder

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    Jurnal Optimasi Sistem Industri
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