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Jurnal Optimalisasi
Published by Universitas Teuku Umar
ISSN : 24775479     EISSN : 25020501     DOI : https://doi.org/10.35308/jopt
Core Subject : Engineering,
Control & Systems Engineering Industrial & Manufacturing Engineering
JURNAL OPTIMALISASI (JOPT) merupakan jurnal elektronik online yang diterbitkan oleh Program studi Teknik Industri, Fakultas Teknik, Universitas Teuku Umar. JOPT memuat kajian dibidang Manufaktur, Ergonomi dan Manajemen Rantai Pasok. Tujuan penerbitan jurnal optimalisasi adalah sebagai wadah publikasi yang mewadahi kebutuhan peningkatan kualitas karya ilmiah dalam rangka pengembangan keilmuan dan menyebarluaskan kajian bidang ilmu Teknik Industri, sekaligus sebagai wahana komunikasi diantara cendekiawan, praktisi, mahasiswa dan pemerhati masalah Industri. JOPT terbit dua kali dalam setahun, tepatnya pada bulan April dan Oktober. Bagi pembaca, penulis, dan yang melakukan akses situs jurnal yang ingin submit naskah ke jurnal ini, silakan mendaftar sebagai author kemudian login untuk submit naskah. Informasi penulisan dan submit naskah dapat diakses di author guidelines dengan mengikuti pentunjuk di situs jurnal.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 249 Documents
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Perancangan Tata Letak Parkiran Rumah Sakit XYZ Menggunakan Metode Craft Vertikal Willis; Steven Steven; Anita Christine Sembiring
Jurnal Optimalisasi Vol 6, No 2 (2020): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v6i2.2505

Abstract

Motorcycle parking is an important facility, especially in hospitals. However, motorbike parking facilities are often neglected and tend to be built improperly, as a result, the parking facilities are poor and uncomfortable to use. This study focuses on the largest hospital in Medan. Motorcycle parking at this hospital is used as parking for PT.ABC employees and hospital visitors. This hospital parking lot is located in the basement and consists of only one narrow lane used for entrance and came out simultaneously. The impact of this parking lane is to cause long queues, especially during busy hours such as office hours. The second problem is, the parking lot is quite far from the entrance to the PT.ABC office and the entrance to the hospital so that it makes users walk further from the parking lot to their destination. The results of this study were to redesign the Layout of the motorcycle parking lot by applying the parking guidelines of the directorate general of land transportation and using the Craft method to increase the efficiency of the user's distance.
Analisis Perawatan Mesin Cetak Offset Heidelberg dengan Metode Total Productive Maintenance Yusnia Sinambela
Jurnal Optimalisasi Vol 6, No 2 (2020): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v6i2.2580

Abstract

PT. X is a company that is engaged in printing, the high order requires the company to maintain production machines so that consumer orders can be sent according to the specified time. This company is inseparable from the problem of the effectiveness of the printing machine, because this machine is the company's main machine and improper handling and maintenance of the machine will result in losses. Therefore we need effective and efficient steps in machine maintenance to overcome and prevent these problems. This study discusses maintenance performance by taking into account the value of Mean Time Beetwen Failure (MTBF), Mean Time To Repair (MTTR), and machine availability, using data from May 2019 to April 2020 to find out information about the actual state of the maintenance system, whether good or bad. Based on the results of MTBF data processing, it is concluded that the reliability of the machine is not stable, the MTTR graph is stable, which means that the ability (skill) of the maintenance operator is good and the machine availability needs to be improved.
Analisis Mutu Biodiesel Menggunakan Metode Quality Loss Function dan Rancangan Perbaikan di PT. XYZ Zaharuddin Zaharuddin
Jurnal Optimalisasi Vol 6, No 2 (2020): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v6i2.2631

Abstract

PT. XYZ is a company engaged in the processing of palm oil with the concept of production side by side with consumer orders (make to order). Production results do not match the specifications desired by consumers. A total of 19 parameter values of X diglycerides and 17 parameter values of X triglycerides from biodiesel products produced by the company exceed the upper and lower limit values (out of control) so that the cost of repairing biodiesel by the company increases. The loss function between quality assessment between damage and loss is used to assess the direct relationship between loss and damage in the process. By using the Quality Loss Function method of the Smaller the Better type the quality value received by the company is Rp. 16,320,624,192.96.
Analisis Strategi Pemasaran untuk Meningkatkan Volume Penjualan dan Daya Saing Willy Tambunan; Yudi Sukmono; Luvita Okti Anggreani
Jurnal Optimalisasi Vol 7, No 1 (2021): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i1.3419

Abstract

UKM Roti H-34 is one of the Small and Medium Enterprises (UKM) in Samarinda City which is engaged in the culinary field that produces unyil bread. The superior product has decreased in sales. Based on this, this study aims to determine the best alternative marketing strategy solutions to increase sales volume and competitiveness based on internal and external factors that affect the company. Marketing strategy analysis is carried out in several stages, the first is using the IFE and EFE matrices. The results obtained on the IFE matrix is 3.779, while the EFE matrix is 2.905. The second stage is the matching stage using the BCG matrix, benchmarking, IE matrix and SWOT matrix. In the BCG matrix, the results show that the market growth rate of -37% of the market share of each competing company is 0.22, 0.23, and 0.25, which indicates that the company is in the dog quadrant. In the IE matrix, it is found that UKM Roti H-34 is in cell IV, a strategy that can be used, namely growth and build. Then formulated a strategy using the SWOT matrix and obtained nine alternative strategies. The final stage is the decision stage to use QSPM for the selection of strategies that can be implemented by UKM Roti H-34. The alternative strategy that is most appropriate to be applied is to use the internet media to carry out online promotions in order to increase sales and the number of consumers with a TAS of 5.447.
Peningkatan Overall Equipment Effectiveness (OEE) Pada Mesin Molding Melalui Perbaikan Six Big Losses Di PT. CWI Eddy Eddy; Chairunissa Chairunissa
Jurnal Optimalisasi Vol 7, No 1 (2021): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i1.2537

Abstract

TPM is an innovative approach to maintenance activities that focus on preventing damage to machines / equipment and preventing the occurrence of defective products related to machines / equipment. The success of implementing TPM can be measured from the Overall Equipment Effectiveness (OEE) value. OEE measures how effectively equipment is used and functions to keep equipment in ideal condition by minimizing six big losses. OEE consists of three main, measurable components: Availability, Performance and Quality. In this study, OEE calculations were carried out on Molding machines at PT. CWI. The results of OEE calculations for the period July 2019 to June 2020 ranged from 45.49% to 74.35%, indicating that the world class benchmark standard (85.0%) has not been achieved. Based on the loss analysis, it was identified that the dominant losses were Idling at 42.2%, Rework at 17.7% and Breakdowns at 17.3%. The three losses have the potential and become the main priority for improvement in the context of increasing OEE.
Perbaikan Aliran Proses Operasi Layanan untuk Mengurangi Pemborosan dengan Pendekatan Lean Service (Studi Kasus: Klinik Citra Medika Medan Marelan) Abdul Azis Syarif
Jurnal Optimalisasi Vol 6, No 2 (2020): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v6i2.2440

Abstract

Klinik Citra Medika Medan Marelan is one of the service companies in the field of health services. The problems that occur in the service process are the number of non-value added activities that affect the service process flow. Improvements were made to solve the problem by applying the lean service concept to service. In the application of lean service used VSM (Value Stream Mapping) as a method to explain the flow of processes in visual form. The results of identification with VSM namely process activity mapping obtained 25.15% value added activity, 48.99% non value added activity, and 25.86% is necessary but not value added activity. The results of waste identification in the questionnaire obtained waste that often occurs in the service process, namely the process of getting approvals with a weight of 139, bocklog in work qeeves with weight 137, waiting for the next step with a weight of 136.5, doing unnecessary work not requested with a weight of 134, 5, transport of document with a weight of 131.5 and an error in document with a weight of 129.5.
Penentuan Jeda Penggantian Komponen Kritis pada Alat Instrumen HPLC (High Performance Liquid Chromatography) di Laboratorium PT. RAA Retno Aprilia; Septian Rahmat Adnan
Jurnal Optimalisasi Vol 6, No 2 (2020): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v6i2.2468

Abstract

PT RAA is one of company that moves in terms of pharmaceutical industry. In the process of checking the quality of pharmaceutical products involving one of the instrumentation namely HPLC (High Performance Liquid Chromatography). The data used in the research is secondary data obtained from the instrument logsheet hplc 2019 2010 than years up to. The method used to determine the critical component is the ABC Classification Method. he critical components of the HPLC instrumentation tool are D2 Lamp L-6585-02 with MTTF value of 277 days, Grating component, Sample Loop Assy with MTTF value of 305 days, and Plunger and Peek Neddle Seal components with MTTF value of 342 days. Calculation of the value of function damage to critical components used the calculation of the selected distribution method, namely Weibull distribution. Optimal ordering for D2 Lamp component L-6585-02 is 2 units / year with 1 unit ordering point, Grating component, Sample Loop Assy is 3 units / year with 1 unit ordering point, and Plunger and Peek Neddle Seal components are 3 units / year with a ordering point of 1 unit.
Analisis Kinerja Pendistribusian Pakan Ternak dari Limbah Ikan Berdasarkan Model Performance of Activity (POA) dan Supply Chain Operation Reference 9.0 di UD. Ridwan Arie Saputra; Nissa Prasanti; Trinaljo Sagala; Fitriadi Fitriadi
Jurnal Optimalisasi Vol 7, No 1 (2021): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i1.2639

Abstract

UD.Ridwan is one of the community businesses in West Aceh, precisely in Ujong Kalak, which processes fish waste into animal feed. UD.Ridwan in its business activities has experienced several problems in the part of the supply of raw materials that are not fixed, because the amount of fish waste is not fixed per day. UD. RIDWAN in its production activities, every 1 kg of raw materials used can produce 761 grams of feed product. As a result, the results of feed production are also not fixed, and cannot fulfill orders from consumers, so there is often a mismatch between demand and orders. This will lead to unfulfilled consumer demand and delays in distribution to each distribution center (DC). UD. Ridwan distributes his products to existing DCs, namely: Medan, Banda Aceh, and Lhokseumawe. To fix the losses faced by the company, it is necessary to measure the performance of the supply chain first. There are several models of supply chain performance measurement systems, namely: POA (Performance of Activity) and SCOR (Supply Chain Operation Reference). POA is a model used to measure the performance of activities that are part of the process in the supply chain. Activity performance is measured in various dimensions, namely: costs, time, capacity, capabilities, productivity, utilization and outcomes. Meanwhile, SCOR is basically a model based on a process
Pengukuran Kinerja Mesin 3 dan Analisis FMEA pada Proses Produksi Resin di PT. XYZ Atikah Mariah Ulfa; Septian Rahmat Adnan
Jurnal Optimalisasi Vol 7, No 1 (2021): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i1.3110

Abstract

XYZ Inc. is one of manufacturing companies that produce eco friendly polymer/resin. Five production machines were used to do some production process such as mixing and extracting. Production machine number three often suffered trouble that caused production stop. the purpose of this research is to calculate performace of production machine number three using Overall Equipment Effectiveness (OEE) and analyze the elements that caused failure of production machine number three using Failure Mode and Effect Analysis (FMEA). The data that used in this research was January to December 2019. The result showed that average OEE value is 70,49%, the highest RPN value is 448 on heating process and critical component of production machine number three was heater.
Pengukuran Kinerja Supply Chain Susu Kental Manis Menggunakan Metode SCOR dan AHP Monica Permatasari; Santika Sari
Jurnal Optimalisasi Vol 7, No 1 (2021): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i1.2702

Abstract

PT Frisian Flag Indonesia is a manufacturing company in Jakarta which is engaged in the milk processing industry. PT Frisian Flag Indonesia has not implemented a detailed performance measurement system and only applies a measure of the effectiveness of company performance. The need for Supply chain performance measurement to be able to find out the results of the Supply chain performance of sweetened condensed milk and make improvements to activities that are not optimal. The method used in this research is the AHP-SCOR method and to determine the Supply chain performance score, the Key Performance Indicator (KPI) measurement is used. The results showed 27 valid KPIs using the Snorm De Boer normalization process and the values obtained were: plan was 88,83, make was 93,79, source was 84,545, delivery was 88,149, Return was 38,53. The results of the SCOR model are 81.45. The need for improvements that prioritize performance with the smallest value, namely return.

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