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Program Studi Sarjana Terapan Teknik Mesin Produksi dan Perawatan, Jurusan Teknik MesinPoliteknik Negeri Sriwijaya, Palembang, Indonesia
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MACHINERY: Jurnal Teknologi Terapan
Published by Politeknik Negeri Sriwijaya
ISSN : 27233359     EISSN : 2776673X     DOI : https://doi.org/10.5281/zenodo.
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
MACHINERY Jurnal Teknologi Terapan was published by Mechanical Engineering Department, Politeknik Negeri Sriwijaya to disseminate in the form of technical and vocational research results of undergraduate (Sarjana Terapan) students of Mechanical Engineering in the fields of Machinery, Manufacturing, Metallurgy Sciences and Engineering, Design Engineering, Heavy Machine to academics, practitioners and students as well as interested parties. MACHINERY accepts article submissions written in Indonesian and welcoming in English. Determination of articles published in Machinery Jurnal Teknologi Terapan is through a review process by best partner of MACHINERY by considering, among others: fulfillment of the standard requirements of journal publications, research methods used, significance, and contribution to the results of research on technical and vocational in Mechanical engineering field study.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 126 Documents
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PENGENDALIAN KECEPATAN ANGIN UNTUK KENDALI SUHU PADA PETERNAKAN AYAM DI PT VSA Sukarno, Setyawan Ajie; Satyaka, Adhit; Sopana, Dodi; Ichsan M., Isbail; Hidayatullah, Nur Iqbal
MACHINERY Jurnal Teknologi Terapan Vol. 5 No. 3 (2024): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14241882

Abstract

In this era, the technology development is increasing rapidly. Especially in the field of control systems. One of the development is a controlling method known as fuzzy logic control. This method applies a simple system with reliable output. Control systems applied in various fields, including in livestock industry. In livestock industry, one of the largest end product is eggs. Eggs are a commodity that cannot be separated from everyday life. To get high quality eggs, laying hens in their cages must be kept in certain condition so they are relaxed and comfortable. One of the influencing factors is the temperature in the cage. High temperature in the chicken coop can make the chickens stressed out and uncomfortable. Based on this, a control system is made to regulate the level of temperature and air circulation in the chicken coop. The system uses temperature, humidity and wind speed sensors which control a fan motor speed. This system is built using Controllino and Labview as the main controls which implement a fuzzy control system. The results of this study are the level of accuracy of the application of the fuzzy method in controlling the temperature of the chicken coop.
PENGARUH WAKTU PROSES THERMAL SPRAY ALUMINIUM TERHADAP LAJU KOROSI DAN STRUKTUR MORFOLOGI BAJA AISI 1020 Dedek Arya Pangestu; Sri Hastuti; Catur Pramono; Nurhadi; Ahmad Nurdin; Bramono Pandupradityo
MACHINERY Jurnal Teknologi Terapan Vol. 5 No. 3 (2024): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14242122

Abstract

Thermal spray aluminum is one type of engineering technology in coating. The main property that indicates the quality of the thermal spray result is resistance to corrosion. Thickness, composition, and morphological structure are very influential things about the rate of corrosion. The long parameters of spraying in the aluminum thermal spray process will affect the corrosion rate, thickness, morphological structure, and coating composition. The aim of this study is to analyze the influence of spraying time on corrosion rate and morphological structure of coating layer in AISI 1020 steel. The types of tests performed are corrosion rate testing, Scanning Electron Microscope (SEM), Energy Dispersive Spectroscopy (EDS). The study used an experimental thermal spray method using time variations of 5 seconds, 10 seconds, and 15 seconds. The results of the study showed that values of corrosion rate, thickness and morphological structure of the coating are best present in spraying using a time of 15 seconds.
ANALISA PENAMBAHAN VORTEX GENERATOR PADA KARAKTERISTIK AERODINAMIKA PADA DESAIN MOBIL CYBERTRUCK DENGAN METODE SIMULASI CFD Fahri, Fahri; Arifin, Fatahul; Martomi, Eka Satria
MACHINERY Jurnal Teknologi Terapan Vol. 5 No. 3 (2024): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14195767

Abstract

This study purpose to determine the effect of the Vortex Generator on the design of Cybertruck with variations in the fillet radius on the vortex side, namely 10 °, 20 ° and 30 °. The variations location of vortex generator speeds on 80 Km/h and 100 Km/h, The CFD analysis is simulated by ansys. The comparison results, were found that the Vortex Generator on the car model with a 20 ° fillet radius design placed at the front has an influence on reducing the drag coefficient, namely reducing the drag coefficient and force drag on the cybertruck with a cd of 0.45266866 and Fd of 481.77061 N at a speed of 80 Km/h then cd of 0.45201879 and Fd of 748.97953 N at a speed of 100 Km/h, That means the vortex generator was very influential in reducing CD and Fd on Cybertruck.
RANCANG BANGUN BRACKET MOTOR STARTER PADA MESIN DIESEL JETMAN R175D Purwono, M. Anggie Mulyo; Gamayel, Adhes; Zaenudin, Mohamad; Saleh, YKP
MACHINERY Jurnal Teknologi Terapan Vol. 5 No. 3 (2024): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14242104

Abstract

The starter system is a component that serves to start or run an engine. Usually, the starter system on the single-cylinder engine is a conventional starter, which is still done manually by an operator. Modification activities in the form of adding an electric starter system have been carried out in this study. The focus of the study was carried out on the design of the brackets of the electric starter system. Bracket is a support plate component used as a stand for the starter motor system. In this design, 3 types of bracket models (Model 1, 2, 3) starter motors are designed with simulation testing and vibration tests on each bracket model. Simulation testing with the finite element method to determine the deflection value (deformation) and fatigue (equivalent stress) in the material used. Vibational testing is carried out to obtain design results that are able to withstand vibrations that occur in single-cylinder engines. Based on the simulation results, the bracket model ( Model 1) with a maximum value of total deformation of 0.00012047 mm with a load of 6.055 kg, while the result of equivalent stress the maximum value reached 0.26726 MPa. The model 1 also shows the ability to withstand the least vibration compared to the other two models.
RANCANG BANGUN DAN PENGUJIAN MESIN PENGADUK SUSU KEDELAI DENGAN VARIASI BENTUK PENGADUK Irawan, Candra; Suwandi, Dedi; Kusmayadi, Adi; Rohmat, Yusup Nur
MACHINERY Jurnal Teknologi Terapan Vol. 5 No. 3 (2024): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14241897

Abstract

Haurgeulis District in Indramayu Regency is known as one of the areas producing quality soybeans. In this region, many mothers who are members of UMKM take advantage of this potential by producing soy milk. However, the process of making soy milk is still manual, one of which is the stirring stage during heating. This often results in inconsistent results and requires quite a lot of effort. To overcome this problem, research was carried out to design and build a soy milk mixing machine expected to increase production efficiency and quality, as well as support UMKM in developing their businesses. The purpose of this design is to make the mixing process easier, the method used is how much power is needed, how much production capacity, how much electricity is used, and which form of the stirrer can produce fast, consistent, and even mixing. The result of this design is a motor power of around 0.18 kW. Apart from that, stirrer C required the shortest time with an average of 2.54 seconds. The process of cooking milk in one production of 4 liters takes 1 hour and 6 minutes over low heat. At 100 rpm rotation, the power consumed is 844.2 W. The electricity costs to operate this machine are around IDR 7,000-IDR 10,000 per month to produce 1 hour per day.
Perancangan Alat Praktikum Fisika Gerak Jatuh Bebas Berbasis Internet of Things Agustian, Anildo; Anas, Adian Aristia; Wilza, Romi; Junaidi, Ahmad
MACHINERY Jurnal Teknologi Terapan Vol. 5 No. 3 (2024): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14241906

Abstract

Kinematics of Free Fall Motion (FFM) is one of the important chpaters in physics courses. However, the Physics Laboratory at the Department of Mechanical Engineering, State Polytechnic of Sriwijaya does not have practical tools of FFM yet. This study aims to design and determine the performance of the FFM physics lab based on the Internet of Things (IoT). This research method uses qualitative method and experimental approach. This physics lab is afterward compared to theoretical calculations from the FFM formula by testing it at 3 falling heights of 100 cm, 130 cm, and 150 cm, as well as at 3 different masses of 100 g, 200 g, and 500 g. All data collected need to be analyzed using ANOVA of linear regression to obtain the level of accuracy and the relationship between falling heights and masses towards final velocities of the test objects. The results of the study shows that the development of the lab physics FFM IoT-based has very decent performance as long as the average error percentage is 5.52% or less than 10% as well as the level of average accuracy level is 94.48%. The results of the analysis showed that falling heights have a significant effect towards final velocities of the FFM’s test objects. On the other hand, variety of masses barely has no effect towards final velocities of the physics lab.
Analisis Umur Pakai Oli Pada Fan PLTU Tanjung Enim 3x10 MW Vernando, Deby; Hendradinata , Hendradinata; Putri, Fenoria; Utami, Ogi Meita; Medi, Ali
MACHINERY Jurnal Teknologi Terapan Vol. 6 No. 1 (2025): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14942716

Abstract

One of the boiler auxiliaries for the running of the production process is the fan. The fan acts as a primary and secondary air supply and as a vacuum cleaner for the remaining ash when the boiler burns and is discharged into the atmosphere. In this fan often occurs over heat (over heat) one of the causes is the decline in oil quality. Lack of attention to the lubrication system if allowed to continue will experience over heat in the fan which will cause damage to the fan, especially the bearing due to the decrease in oil viscosity caused by operating hours and temperatures that affect the oil in the fan. The data obtained will be processed and analyzed with a Quantitative to see the effect of running hours and temperature on the kinematic viscosity of oil samples. From this study with a test of 40 ° C obtained results at 0 hours (92.88 cSt), 1923 hours (57.94 cSt), 2012 hours (53.26 cSt), 2195 hours (46.82 cSt), 2202 hours (44.75 cSt), 2207 hours (43.26 cSt). From the results of this study, running hours greatly affect the kinematic viscosity value and temperature treatment of oil affects the kinematic viscosity along with the increase in running hours
A ANALISIS PENGARUH SIFAT FISIK DAN THERMAL LIMBAH FLY ASH BATUBARA DAN KAOLIN PADA PEMBUATAN FIRE BRICKS Hidayat, Randy; Putri, Fenoria; Karmin, Karmin
MACHINERY Jurnal Teknologi Terapan Vol. 6 No. 1 (2025): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.15234179

Abstract

The increase in coal waste (fly ash and bottom ash) will have a negative impact on the environment if it is not managed or utilized. One of the uses of coal waste can be used as a mixture for making refractory bricks. Refractory bricks are made with a variety of materials with the fixed variable composition being 30% clay and 10% alumina and the independent variables FA and Kaolin waste with variations of 20%:40%, 30%:30%, 40%:20%. Samples of refractory bricks that has been made is tested by Density & Porosity Test, Compressive Strength Test, and Heat Conductivity Test. The results were obtained in the density and porosity tests on the 30% fly ash variation with sequential values of 1.782 gr/cm3 and 42.419%, as well as compressive strength of 7.24 N/mm2 and the highest thermal conductivity on the 20% fly ash variation with a value of 1.773 W/m.oK
ANALISA SIMULASI PADA KEKUATAN MATERIAL MINI BOILER MENGGUNAKAN METODE FINITE ELEMENT ANALYSIS (FEA) Setiawan, Eko; Zamheri, Ahmad; Mardiana, Mardiana
MACHINERY Jurnal Teknologi Terapan Vol. 6 No. 1 (2025): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.15234205

Abstract

The advancement of technology today supports the development of production tools in the tofu industry. One such technology in the field of energy conversion has sparked many creative ideas for its application in the industrial world. One of the energy conversion machines is the mini boiler or steam boiler. The mini boiler is capable of converting water into steam, which can be utilized for its pressure and heat. Some tofu industries have already adopted steam-generating production equipment. These conventional steam machines are made of drums that function as steam collectors. In the tofu production process, the mini boiler plays a very vital role. The mini boiler produces high-pressure steam. Therefore, it is necessary to simulate and conduct a structural analysis to improve the efficiency of the mini boiler using the Finite Element Analysis (FEA) method. The material used in this study is stainless steel. This study aims to perform a simulation analysis on the mini boiler in an effort to improve design efficiency, using a method that models and analyzes phenomena related to the system through a numerical approach. The research methodology employed is Finite Element Analysis (FEA) with the assistance of ANSYS 2023 R1 software
OPTIMALISASI MESIN BENDING AKRILIK DENGAN METODELOGI TAGUCHI Danar Jaya, Rangga; Karmin, Karmin; Mardiana, Mardiana
MACHINERY Jurnal Teknologi Terapan Vol. 6 No. 1 (2025): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.15234316

Abstract

The acrylic bending machine used in this study is a development of a machine that has been circulating in the market and also a development of the previous acrylic bending machine which aims to optimize the acrylic bending tool in order to produce an acrylic bending machine that is more precise in temperature regulation and bending results, this test is carried out by means of experimental data collection or direct testing and data analysis methods used is a Taguchi method with an orthogonic array L16 which is assisted by Minitab software and the results are obtained that the temperature, time and angle settings are quite influential on the bending results in each thickness, and the variation of each combination is not too significant and it can be concluded that the acrylic bending machine in this study can work more optimally because of the stable temperature setting and also good bending results, especially in acrylic 1.5 mm to 3 mm and also this machine can also bend 5 mm thick acrylic but requires a longer heating time

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