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ILTEK : Jurnal Teknologi
Published by Universitas Islam Makassar Al Ghazali
ISSN : 19070722     EISSN : 27213447     DOI : https://doi.org/10.47398/iltek
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Fokus dan lingkup keilmuan yang mencakup dalam jurnal ini khususnya dalam bidang Teknik seperti Teknik Industri, Teknik Mesin, Teknik Elektro, Teknik Informatika, dan Teknik Sipil.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 216 Documents
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Achieving Physical Availability Target of Excavator PC210-10M0 Using FMEA and TNA at Sangatta Stevanus Edwin Eka Aditiyanto; Maulahikmah Galinium; Dena Hendriana
ILTEK : Jurnal Teknologi Vol. 21 No. 01 (2026): ILTEK : Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/iltek.v21i01.506

Abstract

ABC has received a complaint from PT. XYZ as their customer because of poor performance excavator PC210-10M0. The research problem is PC210-10M0 machines’ performance by Physical Availability (PA) of PT. ABC has been under target 85% for the last six months. Research objective is achieving target PA Excavator PC210-10M0 PT. ABC 85%. This research will follow the DMAIC framework with several analysis tools, including Fish Bone Diagram, Design Thinking, Training Need Analysis (TNA), and Failure Mode and Effect Analysis (FMEA) to find the most significant root cause of the problem. SWOT, TOWS, and QSPM analysis are used to find and select the most suitable strategies, then Cost-Benefit Analysis is used to determine the final action plan derives from the strategies. There are 5 action plans implemented: develop web-based applications, offer maintenance contracts, arrange basic maintenance training program, undercarriage replacement, and oil damper monitoring. After implementing the improvement activities, breakdown from undercarriage and engine reduce in duration and frequency. PA PC210-10M0 rise from 78.47% at the end of November 2024 to 88.56% at the end of July 2025. The implementation of Preventive Maintenance along with mechanics’ development programs, has a positive impact on the increase in PA of the PC210-10M0.
PERANCANGAN APLIKASI SERIKAT PEKERJA FEDERASI SERIKAT PEKERJA METAL INDONESIA CABANG MAKASSAR BERBASIS ANDROID Ayu Lestari Perdana; Nur Isnayanti Burhanuddin; Samsul Buhaeril; Ridwan
ILTEK : Jurnal Teknologi Vol. 21 No. 01 (2026): ILTEK : Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/iltek.v21i01.522

Abstract

The Federation of Indonesian Metal Workers Unions (FSPMI) plays a significant role in protecting the rights and interests of its members. FSPMI still faces several issues in terms of administration and storage management. This study aims to design and implement an Android-based union application to manage administration and other activities more easily and quickly. This research method uses a method based on the Waterfall and Blackbox models which aims to provide a clear structure and stages and help manage projects systematically. The application design process is carried out using flowcharts and context diagrams. This application is built using the PHP and Dart programming languages with the Laravel and Flutter frameworks, while MySQL is used as a database. The test results were carried out using the blackbox method which focuses on system functionality. The test results show that all application features function according to the designed specifications. The application has two main types of access: users (members) and admins. Users can register, view monthly dues information and input complaints through the Android application. While the admin has primary access to manage user (member) data, member complaints, member dues and financial reports. The application can facilitate users (members) and admins in managing administrative activities so that it will increase productivity, efficiency, and member engagement. Thus, this Android-based trade union application was successfully implemented and provided an effective solution in managing the administration of the Makassar branch of the Indonesian Metal Workers Federation.
ANALISIS PERBANDINGAN PENGGUNAAN JARINGAN 4G DENGAN 5G MENGGUNAKAN APLIKASI OPENSIGNAL DI AREA URBAN KOTA MAKASSAR Saktiani Karim; Nursin; Faridah Faridah; Sriwati Sriwati
ILTEK : Jurnal Teknologi Vol. 21 No. 01 (2026): ILTEK : Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/iltek.v21i01.526

Abstract

The development of cellular technology from 4G to 5G provides significant improvements in network speed and capacity, especially in urban areas with high data needs. This study aims to analyze and compare the performance of 4G and 5G networks in urban areas using the OpenSignal application with download, upload, and latency speed parameters. The research method uses a quantitative approach through field measurements conducted on May 25–June 2, 2025, in the morning, afternoon, and evening. The results show that the average download and upload speeds of the 5G network are 55.26 Mbps and 19.6 Mbps, respectively, higher than 4G which only reaches 13.18 Mbps and 9.83 Mbps. The difference in download speed reaches 31.92%, while in upload speed it is 9.93%. However, 4G latency is lower with a difference of 18.9% compared to 5G. Overall, the 5G network has superior and stable performance, making it ideal for activities with large bandwidth requirements. This is also influenced by infrastructure factors, user density, and distance to BTS which can cause performance variations between times and locations.
ANALISIS TINGKAT USABILITAS DAN USER EXPERIENCE PRESENSI GURU DAN STAFF SD ANGKASA 1 KAB. MAROS DENGAN METODE USE QUESTIONNAIRE DAN UEQ QUESTIONNAIRE PENDEKATAN PARTISIPATORIS Andi Haslindah; Ahmad Hanafie; Sri Mutiara
ILTEK : Jurnal Teknologi Vol. 21 No. 01 (2026): ILTEK : Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/iltek.v21i01.527

Abstract

Measuring the effectiveness of an attendance system requires a scientific approach to obtain valid and accurate data. Instruments such as the Usability Questionnaire assess the ease and efficiency of use of the application by teachers and school staff. This study aims to determine the level of usability of the digital attendance system used by teachers and staff of SD Angkasa 1, Maros Regency based on the results of the Use Questionnaire evaluation, determine the level of user experience of the digital attendance application based on the results of the User Experience Questionnaire (UEQ) measurement, and compile recommendations for improving the digital attendance system based on the results of the usability analysis and user experience with a participatory approach. The research method used is a quantitative method with an evaluative approach. Data were collected by distributing questionnaires to 20 respondents consisting of teachers and staff of SD Angkasa 1, Maros Regency. The research instrument used the USE Questionnaire to measure the level of usability and the User Experience Questionnaire (UEQ) to measure user experience of the digital attendance system. The results showed that the level of usability of the digital attendance system obtained an average value of 4.25 which is in the very good category. In detail, the learnability aspect obtained a value of 4.17, efficiency 4.30, memorability 4.35, error 3.95, and satisfaction 4.46. Meanwhile, the UEQ measurement results indicate that the user experience ranges from neutral to slightly positive, with the highest score for novelty at 0.125, followed by efficiency at 0.050, and dependability at 0.013. However, several aspects still received low scores, such as attractiveness (-0.08) and perspicacity (-0.03), indicating a need for improvements in the system's appearance and ease of understanding.
MODIFIKASI MESIN SPINNER PENIRIS MINYAK DENGAN MENAMBAHKAN TIMER DIGITAL Jamaluddin Jamaluddin; Muh Wahyu Asyfan; Andi Haslinah
ILTEK : Jurnal Teknologi Vol. 21 No. 01 (2026): ILTEK : Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/iltek.v21i01.528

Abstract

The oil spinner machine is a device that works based on the principle of centrifugal force to reduce the oil content in fried products. The use of conventional spinner machines still has weaknesses, especially in terms of drainage time settings, which are not yet automatically controlled, making them less efficient and consistent. Therefore, this study aims to modify the oil spinner machine by adding a digital timer system to improve time efficiency and spinning performance. The research methods used include the design, manufacture, assembly, and testing stages of the machine. The machine was modified by adding a digital timer as a spinning time control system integrated with an electric motor. Testing was conducted using fish floss with varying weights of 500 grams, 1000 grams, and 1500 grams. The parameters observed included the drying time and the weight of the material before and after the drying process. The test results showed that the addition of a digital timer was able to control the drying time automatically and consistently. The average drainage time for a capacity of 500 grams was 6 minutes and 10 seconds with a final weight of 375 grams, a capacity of 1000 grams for 9 minutes and 30 seconds with a final weight of 750 grams, and a capacity of 1500 grams for 13 minutes and 15 seconds with a final weight of 1010 grams. This shows that the modified spinner machine is capable of effectively reducing oil content and improving the efficiency of the draining process. Thus, it can be concluded that modifying the oil draining spinner machine by adding a digital timer improves performance, ease of operation, and time efficiency, making it suitable for use in households and small to medium-sized businesses.
ANALISIS PENGARUH VARIASI MEDIA PENDINGIN HASIL PENGELASAN SMAW PIPA STAINLES STEEL 316 L Musrawati Musrawati; Satria Satria; Andi Haslinah
ILTEK : Jurnal Teknologi Vol. 21 No. 01 (2026): ILTEK : Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/iltek.v21i01.529

Abstract

SMAW (Shielded Metal Arc Welding) is a welding process that uses electrodes coated with flux to protect the electric arc and molten metal from the atmosphere. This study aims to analyze the effect of various cooling media on the tensile strength of Shielded Metal Arc Welding (SMAW) welding results. The cooling process after welding can affect the microstructure and mechanical properties of the welded material. The laboratory experimental research method uses three different cooling media, namely Sea Water, Oil, and Fresh Water. With the Shielded Metal Arc Welding (SMAW) welding method. The results showed that different cooling media had a significant effect on the tensile strength of SMAW welding results. Specimens cooled with Oil media had the highest tensile strength of 545 MPa, followed by specimens cooled with Fresh Water 495 MPa, and the lowest was specimens cooled with Sea Water 474 MPa. Further analysis was carried out to understand the mechanism of the influence of cooling media on changes in the microstructure and tensile strength of the welded material. The purpose of this research is to determine the effect of SMAW welding of 316L Stainless Steel Pipes with variations in the cooling process of Sea Water, Oil and Ordinary Water. And to compare the tensile strength of SMAW welding of 316L Stainless Steel Pipes with variations in cooling media.

Page 22 of 22 | Total Record : 216

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