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JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI
Published by Universitas Al Azhar Indonesia
ISSN : 20879725     EISSN : 23558059     DOI : -
Core Subject : Health, Science, Engineering,
Biochemistry, Genetics & Molecular Biology Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Public Health
Jurnal AL-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI terbit 2 kali dalam setahun yaitu pada bulan Maret dan September adalah jurna; ilmiah yang mempublikasikan artikel hasil penelitan ilmiah dan ide-ide di bidang sains dan teknologi. Jurnal ini berfokus pada bidang teknik industri, teknik elektro, teknik infromatika, biologi, gizi dan teknologi pangan.
Arjuna Subject : Umum - Umum
Articles 13 Documents
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Search results for , issue "Vol 9, No 2 (2024): May 2024" : 13 Documents clear
Decision-Making Model for the Selection of Industrial Sector Workers Anggara, Ikbal; Kusumah, Lien Herliani
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.2149

Abstract

Recruitment of workers must be done selectively to match the industry's needs for skills and competencies. How ever in Karawang area with the existing capacity performance capacity of the workforce; only 2.5 percent of total job seekers were successfully placed. This study aims to determine the selection criteria for industrial sector workers and provide recommendations for decision-making models for the selection process. To determine the priority criteria, the AHP method was used, followed by the TOPSIS method to calculate preferences. 3 respondents from the Employers' Association of Indonesia (APINDO), HRD-GA Association, and Dinas Tenaga Kerja & Transmigrasi Karawang were requested to act as the experts on employment matters for this study. It was found from this study that Educational, discipline, and skills are three of the fifteen priority criteria with the highest scores in succession. Individual Factors are also being recommended as a priority factor in selecting workers for the industrial sector.Keywords – AHP, TOPSIS, MCDM, Industrial Sector, Workforce Selection.
Analisa Keandalan Instrumentasi Pada Lime Kiln Unit Menggunakan Metode Reliability Centered Maintenance (RCM) di PT. Indah Kiat Pulp and Paper Perawang Andriyan, Septa; Jufrizel, Jufrizel; Ulah, Aulia; Faizal, Ahmad
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.2785

Abstract

PT. Indah Kiat Pulp and Paper Perawang is a company that prioritizes paper production. There is a crucial unit known as the lime kiln within the company. Issues occurring within this unit often disrupt the overall production process. Therefore, conducting reliability analysis on the instrumentation of this unit is highly important. This research utilizes the Reliability Centered Maintenance (RCM) method. The objective of this study is to determine which devices within the lime kiln are most vulnerable to problems by calculating the Risk Priority Number (RPN) for each component, evaluating the reliability level of these devices, and providing optimal maintenance schedule recommendations. The research findings indicate the sequence of RPN values for lime kiln instrumentation from highest to lowest as follows: temperature sensor 336, on-off valve 288, flow transmitter 252, control valve 245, proximity sensor 240, pressure gauge 216, sensor indication of motorized damper 210. Furthermore, the reliability values of each instrumentation did not meet the threshold set by the Indonesian Industry Standard (SII), which is 0.7. Therefore, it can be concluded that maintenance action is required for these instrumentation devices. Maintenance schedule recommendations for temperature sensor are 252 days, on-off valve 294 days, flow transmitter 293 days, control valve 251 days, proximity sensor 293 days, pressure gauge 352 days, and sensor indication of motorized damper 353 days.Keywords – Keandalan, Instrumentasi, Maintenance, Lime kiln, RCM.
Line Balancing Pada Produksi Kabel Serat Optik Dengan Metode Ranked Positional Weight Siagian, William Harapan Restadamai; Sulistyo, Arif Budi; Juniarti, Anita Dyah
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.2319

Abstract

PT. XYZ produces and manufactures fiber optic cables and pipes in Indonesia. The problem faced in the production section is the imbalance in the work load at each work station. This situation causes bottleneck or accumulation of SF-Product which greatly affects the production operator's performance. The method used is Line Balancing and Ranked Positional Weight to provide the balanced load on all production process factors existing on the production line so as to reduce the difference in operating time between work stations and decrease idle time in the fiber optic cable production process. This study gives the number of machines on the Coloring Line, Buffering Line, Small Jacketing Line, Stranding Line, and Jacketing Line should be 5. There is a combination of tasks on Coloring Line 1 & 2 to meet the needs of Buffering Line 1, and also a combination of tasks on Buffering Line 1 & 2 to meet the needs of Stranding Line 1. In addition, balanced work time assignment in Section 1 is 3115.17 minutes, Section 2 is 2829.428 minutes, Section 3 is 2094.424 minutes, Section 4 is 2094.424 minutes, and Section 5 is 2094.424 minutes.Keywords – Line Balancing, Ranked Positional Weight, Stopwatch Time Study.
Perancangan Sistem Produksi Ekstrak Lemon dengan Discrete Event Simulation Syabira, Zahrayna Shebina; Pulungan, Muhammad Almaududi; Prambudia, Yudha
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.2695

Abstract

XYZ Company is a Micro, Small, and Medium Enterprise (MSME) that is engaged in the production of fruit juice drinks with the type of production produced being lemon extract. Unfulfilled demand for lemon extract products is the main problem faced by XYZ Company. This study aims to optimize the production system and provide suggestions for improvements to increase production capacity to achieve production targets using discrete event simulation. Production target planning is determined using demand forecasting. The results of model simulations that have been verified and validated show that the existing production system cannot achieve production targets. This problem is caused by the production process still using manual tools. The experimental design was carried out in the washing, cutting, squeezing, and packaging processes. Of the total of 9 alternative scenarios compared, it is known that alternative scenario C has the best results for achieving production targets with an increase in company output of 15,5% compared to the initial model.Keywords - Demand Forecasting, Discrete Event Simulation, Lemon Extract.
Front Cover Jurnal Al Azhar Indonesia Seri Sains dan Teknologi Cover, Front
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.2918

Abstract

Reliability Control Program Turbo Compressor 2222254-1 Nitrogen Generation System Pesawat Boeing 777-300ER di PT GMF AeroAsia Tbk Riswanto, Cipto; Sofyan, Edi; Setiawan, Ferry; Noerachman, Edy; Nazarullah, Ibny
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.2517

Abstract

The pilot report case of Garuda Indonesia's Boeing 777-300ER aircraft that occurred in 2018-2019 was mostly a case of Nitrogen Generation System (NGS) failure. The objective of this research is to identify the dominant factors causing failures in the NGS, evaluate the reliability and failure rates of its components, so as to obtain the estimated time the component may will fail, effective scheduled maintenance, maintenance method design, and the estimated primary cost of the maintenance program and reliability control program for its components within one year. The research methodology using Quantitative analysis’s Distribution Test - Life Data Analysis method combined with the Anderson Darling index of fit parameter of Least Square Curve Fitting approach and Qualitative analysis involves identifying potential root causes and the effects of failures, as well as determining maintenance actions using Failure Mode and Effect Analysis and Fault Tree Analysis. Based on the analysis results obtained, the dominant factor causing failures in the NGS for the period is the variation failure of Turbo Compressor. This component has a reliability of 28.73%, and the mean time to failure (MTTF) is 10,477.62 flight hours. As a result, the optimum interm action preventive maintenance interval (pre-modification) of Turbo Compressor NGS is 250 flight hours with a reliability of 90%, requiring preventive maintenance to be performed 35 times per year. The recommended maintenance action is a scheduled restoration task aimed at upgrading and modifying the Turbo Compressor. The estimated cost of scheduled maintenance for the Turbo Compressor NGS is Rp 2,632,913,890.35, and unscheduled maintenance costs Rp 5,354,508,684.42.Keywords – Reliability, Failure, Maintenance, Turbo Compressor, Nitrogen Generation System.
Analisis Elemen Kemasan Sekunder Pembalut Dengan Metode Rough Set Araminta, Shafa; Sari, Novi Purnama; Muryeti, Muryeti
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.2198

Abstract

A common problem often encountered in sanitary napkin packaging is inadequate product protection. Failure to open or reseal the packaging and the use of materials that cannot be reused are complaints from 97% of consumers regarding sanitary napkin products currently on the market. This research aims to analyze packaging design elements according to consumer preferences. In this research, the Kansei Engineering and Rough Set methods were used. Kansei Engineering has the advantage of being able to translate consumer emotions into design elements. The design element analysis process is carried out using the Rough Set method. The research results obtained consumer emotions in the form of 19 Kansei words and 29 packaging samples as design references. Analysis of sanitary napkin packaging design elements obtained recommendations in the form of cardboard material, folding cardboard packaging type, no additional features, box body, opening type with flap, medium size, feminine design, script typography, and image elements in the form of pictures and illustrations. This research succeeded in proving Kansei Engineering's ability to produce packaging designs according to consumer preferences through quantitative data analysis.Keywords - Model Kano, Rough Set, Design Element, Packaging
Analisis Beban Kerja Mental Karyawan Perkebunan Kelapa Sawit menggunakan Subjective Workload Assessment Technique (SWAT) and Work Sampling Safutra, Nur Ihwan; Ahmad, Arfandi
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.1842

Abstract

PT. Kurnia Luwuk Sejati or PMKS Toili is one of the palm oil industries that processes fresh fruit bunches into Crude Palm Oil and Palm Kernel Oil. Due to high market demand, palm oil plantation workers are required to complete their tasks on time with a target of 8 working hours per day. Several workers have complained about the physically and mentally burdensome nature of their work, leading to harvest results that sometimes do not meet the desired quality standards. This research aims to determine the level of mental workload experienced by the workers using the SWAT and Work Sampling methods processed using the DosBox 0.74 application. The measurement results can indicate the extent of mental workload perceived by the employees, with three significant factors influencing the employees' mental workload: the time dimension accountsfor 67.16%, the effort dimension accountsfor 13.87%, and the stress dimension accounts for 18.97%. Recommendations for improvement need to be implemented to minimize and reduce the employees' workload, including improving working conditions and the work environment, increasing rest time, effectively distributing tasks, and increasing the number of operators or employees to achieve production targets.Keywords – Mental Workload, SWAT, Work Sampling
Analisis dan Mitigasi Risiko Pada Supply Chain di PT XYZ Dengan Pendekatan House of Risk (HOR) Liddin, Jundana Shidqiyah; Pulansari, Farida
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.2717

Abstract

In carrying out business processes in the LRT manufacturing sector, risks were discovered which resulted in disruption of the supply chain process in mitigating risks in the wiring harness supply chain. Risks are essentially events that have a negative impact on the Company's targets and strategies. Research data was collected by interviewing 3 respondents who were active employees of PT XYZ. Data processing uses the House of Risk (HOR) phase 1 and House of Risk (HOR) phase 2 models, and also uses several treatments such as determining the risk agent carried out by the handler and based on the highest Aggregate Risk Potential (ARP) priority value from the Pareto diagram. The results of this study show that there are 25 risk events caused by 33 causes of risk in the company's supply chain activities. Based on the Pareto diagram analysis, 80.85% priority mitigation actions were taken, of which 13 risk agents were proposed to minimize the most dominant risk causes.Keywords – Supply Chain, Risk Mitigation, House of Risk.
Model Konseptual Perancangan Fasilitas Industri Konveksi Pakaian dengan Soft System Methodology Alfathsyah, Arrasyid; Nurhasanah, Nunung; Zakaria, Siti Wardah; Tripiawan, Wawan
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 2 (2024): May 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i2.2879

Abstract

Facility design refers to the method of organizing factory facilities to support the efficiency of the production process and the effectiveness of production results. This improvement is done by updating the design of previous facilities or designing a complete facility that has not yet been built. In designing this facility design system, Soft System Methodology (SSM) was used. SSM is a structured approach to information system development that is used to understand the problem thoroughly, design conceptual models, assess the feasibility and desired changes, and then implement them into reality. In this research, SSM proved to be a highly effective framework for designing facility design systems in the context of the clothing convection industry. SSM includes abstract problem mapping, needs analysis of stakeholders involved in the system, CATWOE analysis, depiction of desired and undesired inputs and outputs through IO Diagram, expression description through Rich Picture, and grouping of core activities with Conceptual Modeling. The result of this research is a description that is traceable to the problem situation that exists in the facility design system so that it can know and master the involvement of actors in the system and the relationship between actors and activities that take place.Keywords – Clothing Convection Industry, Facility Design, Soft System Methodology(SSM), System Approach.

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