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Resy Kumala Sari
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resy.sari13@gmail.com
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resykumalasari@jes-tm.org
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LPPM Universitas Pahlawan Tuanku Tambusai Jalan Tuanku Tambusai 23 Bangkinang, Kampar, Riau, Indonesia Kode Pos: 28411
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Journal of Engineering Science and Technology Management
Published by Universitas Pahlawan Tuanku Tambusai
ISSN : -     EISSN : 28287886     DOI : 10.31004/jestm
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering
Journal of Engineering Science and Technology Management is Jurnal Electronic that aims at the publication and dissemination of original research articles on the latest developments in all fields of engineering science and technology, including; Industrial Engineering, Mechanical Engineering, Material Engineering, Electrical and Electronics Engineering, Environmental Engineering, Civil Engineering, Management, Science, and Technology. Journal of Engineering Science and Technology Management is a International peer-reviewed journal dedicated to interchange for the results of high-quality research in all aspects of education and teaching. The journal publishes state-of-art papers in fundamental theory, experiments, and simulation, as well as applications, with a systematic proposed method, good review of previous works, expanded discussion, and concise conclusion. As our commitment to advancing education and teaching, the Journal of Engineering Science and Technology Management follows the open access policy that allows the published articles to be freely available online without any subscription.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 112 Documents
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Analysis of Employee Work Posture at Sorting and Boiler Stations of PT Mitra Bumi Using the OWAS Method Almahera, Piki; Chen, An; Sari, Resy Kumala; Adeswastoto, Hanantatur; Pratiwi, Nurul Dwi
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 1 (2024): Maret 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i1.147

Abstract

Activities at sorting stations and boilers are high risk activities. Incorrect body posture, done repeatedly and relying on manual human power causes musculoskeletal disorders (MSDS). This research aims to analyze MSDs disturbances in body parts of workers at sorting  stations and boilers using the Ovako work posture analysis system (OWAS) method. OWAS can identify four body parts in a worker's posture, namely the back, upper arms, legs and weight category. Based on the results of the OWAS assessment, a score of  4144 was obtained at the sorting station, and 4141 at the boiler station. Both scores are in category 4, which means improvements need to be made as soon as possible. The injury risk index reached a value of 400 for both stations, indicating a very high level of danger.
Objective Matrix (OMAX) Analysis to Determine Production Productivity Indriani, Yulia; Sari, Resy Kumala; Marwa, Safni
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 1 (2024): Maret 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i1.150

Abstract

PT. Mitra Bumi is a company operating in the palm oil sector that produces CPO and so far wants to know the level of productivity. OMAX is a partial productivity measurement system developed to monitor productivity in each part of the company with productivity criteria that are appropriate to the existence of that part (objective). Productivity is an important factor to support the survival of a company by analyzing and evaluating the output obtained based on its level of performance during a certain period. To find out the current level of productivity in the production department, it is necessary to measure productivity, because the results of this productivity measurement can be used as a consideration for implementing efforts that can be made to increase the company's productivity. Productivity measurements at PT Mitra Bumi are carried out using the method, objective matrix analysis (OMAX). The criteria used in this research are raw material productivity, effective working hours productivity, machine working hours and production effectiveness. The highest productivity index value was in July with a total value of 112.00%, while the lowest value was in June with a value of -91.33%. The cause and effect diagram is used to determine the causes of the decline in productivity in the CPO production section. As a result, production productivity at PT Mitra Bumi was influenced by factors that caused productivity to decrease, namely damage to the tippler machine, unsuitable raw materials, and less skilled operators
Quality Control Analysis To Reduce Bag Product Defects Using The Lean Six Sigma Method (Case Study: Alfajar Bag Convection Msmes, Jakarta) M. Syahril; Azriadi, Emon; Tanjung, Lailatul Syifa
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 1 (2024): Maret 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i1.153

Abstract

The background of this research is to control the quality of bag production to reduce product defects and improve the quality of the resulting products. The purpose of this research is to identify the causes of product defects, determine the DPMO and sigma values, and propose improvements using the Lean Six Sigma method for bag production at Alfajar Bag convection. This research is both descriptive quantitative and qualitative, collecting production data over one year from May 2022 to April 2023. It was found that 11,940 Rempel Backpacks were produced, with 1,147 defective items, resulting in an average defect rate of 9.6%. The research analysis uses the Lean Six Sigma method to understand quality control through several stages. In the Define phase, four types of Critical To Quality (CTQ) attributes were identified for Rempel Backpack production. In the Measure phase, the calculations for DPMO and Sigma Level revealed an average DPMO of 24,015.913 and a Sigma Level of 3.477ϭ. In the Analyze phase, five main factors and seven types of waste affecting production were identified. In the Improve phase, several improvement suggestions were made to reduce product defects and waste in the bag production at Alfajar Bag. In the Control phase, the improvement suggestions analyzed in the Improve phase were implemented, and continuous monitoring and improvements were carried out.
The Influence of Warehouse Operational Performance on the Acceleration of Goods Delivery at PT. Satria Antaran Prima Tbk Padang Branch Syifa Tanjung, Lailatul; Kumala Sari, Resy; Yusmita, Yesi; Syahrin Hasibuan, Alfi; Aliza, Nur
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 1 (2024): Maret 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i1.168

Abstract

This research aims to analyze the influence of warehouse operational performance on the acceleration of goods delivery at PT. Satria Antaran Prima Tbk Padang Branch. Optimal warehouse operational performance is one of the key factors in supporting supply chain effectiveness, especially in speeding up the delivery of goods to consumers. The research method used is a descriptive method with data collection through sources in the warehouse and logistics department. The data obtained was analyzed using descriptive methods to test warehouse operational processes regarding the speed of delivery of goods. The research results show that there is a significant influence between warehouse operational performance and the acceleration of goods delivery. This means that improvements in storage processes, inventory management, and distribution arrangements in warehouses can directly increase the speed of delivery of goods to consumers. Therefore, PT. Satria Antaran Prima Tbk is advised to continue evaluating and improving warehouse operational performance as part of a strategy to increase customer satisfaction.
Productivity of Oil Palm Plants (Elaeis Guineensis Jacq) on Mineral Land Conversion from Rubber Plants in Tamora Plantation PT. Perkebunan Nusantara V Prastikha, Dikha
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 2 (2024): September 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i2.176

Abstract

The company converted rubber plantations into palm oil plantations to enhance operational efficiency. Palm oil is considered more profitable as its maintenance is simpler, production costs are lower, and harvesting can be done year-round without being affected by the seasons, unlike rubber, whose production decreases significantly during the rainy season. This is expected to increase the company's overall productivity and profitability. This research aims to determine the productivity of palm oil and the soil nutrients in the rubber-converted land at Kebun Tamora, PT. Perkebunan Nusantara V, Kampar Regency, Riau. The research was conducted from September 1 to November 1, 2023, using a quantitative and qualitative descriptive analysis method, utilizing secondary data. The results indicate that plantation productivity varies but has shown continuous increases year after year. For example, for the 2014 planting year, production increased from 16.150 tons/ha in 2018 to 33.127 tons/ha in 2022, while for the 2015 planting year, productivity reached 31.867 tons/ha in 2022.
Design and Construction of a Stove Using Used Oil Azzikri , Muhammad Fadhil; Azriadi, Emon; Rusnedy , Hidayati
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 2 (2024): September 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i2.182

Abstract

The tool design stage uses the help of the AutoCAD application. The next stage is the manufacture of used oil-fueled stoves. Followed by testing the used oil-fueled stove. Based on the results of the two stoves that have been tested above, it is concluded that the time to boil 5 liters of water in a used oil-fired stove is 2 minutes faster than a gas stove, this can be proven in the results, namely the time to boil water in a used oil-fired stove is 7 minutes, while the time it takes to boil water in a gas stove is 9 minutes. The stove that is produced is able to be an alternative when the price of fuel in the form of gas soars so that it can be a solution for cooking with fuel at an affordable price. Researchers need to pay more attention to the selection of stove wall coating materials so as not to conduct excessive heat.
Analysis of the Effectiveness of 3D Printing Technology as an Alternative to Replacing Machine Components Putra, Rama Dani Eka; Fitri, Tessa Zulenia
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 2 (2024): September 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i2.187

Abstract

Three-dimensional printing (3D printing) technology has developed rapidly and offers innovative solutions in the manufacturing industry, especially for replacing damaged machine components. This research aims to analyze the perception and effectiveness of this technology as an alternative through empirical data from 300 respondents. The test results show that perceptions of 3D printing's ability to replace traditional components, the quality of the print results, and environmental benefits are significantly influenced by the respondent's level of experience (p-value < 0.05). However, aspects of cost efficiency and ease of application of technology show uniformity of perception across all groups of respondents, indicating the potential for broad application of technology. The normality and ANOVA tests performed confirmed the validity of the data, supporting the use of parametric statistical analysis. These findings underscore the ability of 3D printing to reduce costs and production time, while highlighting key challenges related to material strength and initial investment. This research recommends the development of materials, hardware, and ongoing education to increase the acceptance and effectiveness of the application of this technology in the manufacturing industry.
Implementation of 5S in the Manufacturing Industry Fitri, Tessa Zulenia; Putra, Rama Dani Eka
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 2 (2024): September 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i2.189

Abstract

In an increasingly competitive industrial era, reducing waste and increasing operational efficiency has become a primary focus for many organizations. The 5S method, namely Seiri (Sort), Seiton (Arrange), Seiso (Clean), Seiketsu (Standardization), and Shitsuke (Discipline), which originated in Japan and was introduced into the Toyota production system in the 1950s, offers a systematic approach to creating an orderly and clean work environment. This research aims to explore the implementation of 5S at PT XY, with a focus on its impact on operational efficiency and reducing waste in the cement production process. The methodology used in this research includes literature studies and case studies, where data is collected through interviews, direct observation and documentation analysis. The research results show that implementing 5S can increase productivity, create a more organized work environment, and increase employee satisfaction. However, there are several challenges in implementation, especially in the aspects of standardization and discipline among employees. This research also identified problems faced in the project warehouse, such as a lack of personnel, insufficient area, and misunderstandings in shipping goods. Recommendations for improvement include employee training, establishing more comprehensive procedures, and grouping items by type to increase efficiency. Thus, it is hoped that the application of the 5S method at PT XY can create a better work culture and support the sustainability of operational efficiency practices in the future. These findings provide valuable insights for other industries looking to implement 5S to improve their performance and competitiveness.
Process of Processing Moringa Leaves into Chocolate Moringa at PT. Mond Nature Sustainable Tanjung, Lailatul Syifa; Silma , Muhammad; Yusmita, Yesi; Sari, Resy Kumala
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 2 (2024): September 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i2.193

Abstract

In addition to considering food ingredients, processing techniques are one of the important factors in producing high-taste food and maintaining nutritional consistency. In Indonesia, there is a term for food processing that uses English. This study aims to analyze food processing techniques. The method used in this study is a qualitative descriptive method. The data collection technique in this study is carried out by observing individuals who work as production heads. The results of the study showed that food processing techniques included harvesting techniques, drying techniques, milling techniques, sieving techniques, chocolate making techniques and packaging techniques.
Design and Construction of Tools for Fertilizing Palawija Plants Asrul Baroqah, Mohd; Azriadi, Emon; Adeswastoto, Hanantatur
Journal of Engineering Science and Technology Management (JES-TM) Vol. 4 No. 2 (2024): September 2024
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v4i2.197

Abstract

Corn (Zea mays L.) is one of the important food crops widely cultivated in various parts of the world, including Indonesia. This plant has high economic value and serves as a source of food, animal feed, and industrial raw materials. This research aims to design and create a corn fertilizer tool utilizing easily obtainable materials such as pipes, used buckets, and hoses. This fertilizer tool is designed using SolidWorks 2020 software to ensure precise and functional design. In the testing process, this tool was evaluated to measure the accuracy and efficiency of fertilizer distribution. The tank on this tool has a capacity of 10 kg, which is sufficient to meet the fertilization needs with a dosage of 300 kg per hectare. With a corn plant population of 71,000 plants per hectare, each corn plant requires about 4 grams of NPK fertilizer. The tool testing was conducted in Salo Timur Village, and the results showed that this tool can effectively and efficiently distribute fertilizer according to the needs of each corn plant.

Page 6 of 12 | Total Record : 112

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