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JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Published by Universitas Nusa Putra
ISSN : 27148084     EISSN : 27148092     DOI : 10.52005
Core Subject : Science, Engineering,
Automotive Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Perancangan, Manufaktur dan Energi ini diterbitkan oleh Program Studi Teknik Mesin Universitas Nusa Putra, sebagai jurnal yang terbit setiap empat bulanan yang fokus menyajikan tulisan-tulisan tentang keilmuan Teknik Mesin khusunya bidang Perancangan, Manufaktur dan Energi. Jurnal ini berisi artikel-artikel penelitian atau pengembangan konsep yang berkaitan dengan kajian perancangan, manufaktur dan energi seperti : Desain Mekanikal, Manufaktur dan Otomatisasi, Material dan Konversi Energi.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 96 Documents
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Distribusi Ferrite dan Sifat Ketangguhan pada AISI 1020 Akibat Pengaruh Media Quenching Halimi, Ahmad Dzulfikri; M. W. Arif Sektiono; D. Setiawan; M. Ahsin Fahmi
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 01 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i01.125

Abstract

This research aims to determine the toughness properties and microstructure of AISI 1020 steel material which was previously treated by using a variety of cooling media including air cooling, oil cooling and grease cooling. After being cooled by using several cooling media, it was continued with impact and microstructure testing. The results showed that AISI 1020 steel specimens using air cooling media, had the average impact strength value of 19.1 joules/mm, while those using oil cooling media had an average impact strength of 35.2 joules/mm, and those using grease cooling media had an impact strength of 45 joules/mm. From this data, the one with the highest impact strength value was the grease cooling media at 45 joules/mm and the one with the lowest impact strength was the air cooling media, namely 19.1 joules/mm. The results of metallographic observations were obtained when the grease media was used, the distribution of ferrite was reduced and did not have time to form, whereas in steel that was cooled with oil, the distribution of ferrite was almost the same as the untreated material and for air media, the shape of the ferrite structure spread and formed evenly.
Perencanaan Pompa untuk Mempercepat Waktu Pengisian Oli di PT KSB Indonesia Fitrianti Sugiono, Friska; Abidin, Zaenal; Asmara, Dewa
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 03 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i3.154

Abstract

In this study, specifications & design of the pump to used will be analyzed, then performance the oil pump is known, and effect of the oil pump on the ISP 3600 Trailer pump assembly process is analyzed. This research method begins with problem identification, literature study, analysis & optimization, design planning, fabrication process, assembly process and testing, then analyzed to obtain results in accordance with the objectives. Results this testing use a gear pump with minimum power of 67.15 Watts, using electric motor that has a minimum torque of 1.081 N.m and minimum power of 0.2125 HP, and using minimum capacitor capacity of 24.31 µF. This test uses Fuchs Renolin B46 Plus oil. Results this testing obtain a discharge of 16.789 l/min and charging time of 12.21 minutes per 205 liters.
Performa Termal Kondensor Udara pada Wind Tunnel: Evaluasi Perpindahan Panas Priyadi, M. Untung Zaenal; Saleh, Yasya Khalif Perdana; Fikri, Muhammad Luqman Saiful; Muddhar Fathkhur Rohman; Leo Saputra
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 03 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i03.155

Abstract

Heat transfer in air condenser systems is a critical aspect in various industrial applications, especially refrigeration and air conditioning systems. The thermal efficiency of condensers is greatly influenced by airflow characteristics, but airflow velocity optimization remains a challenge due to the trade-off between improved heat transfer and energy consumption. Although previous research has examined various aspects of condenser design, there is still a need to explore the optimal limit of airflow velocity that can maximize thermal efficiency without excessively increasing system workload. This study aims to evaluate the thermal performance of an air condenser in a wind tunnel, focusing on the effects of airflow velocity variations on heat transfer rate and thermal efficiency. The experimental method uses a wind tunnel with dimensions of 280x28x28 cm, equipped with a precise temperature and flow velocity measurement system. The flow velocity was varied from 0.8 to 1.8 m/s. The results showed a significant increase in the heat transfer coefficient (h) and heat transfer rate (Q) as the flow velocity increased. Analysis of Reynolds and Nusselt numbers revealed the transition of the flow from laminar to turbulent, which contributed to the increase in heat transfer efficiency. Comparison of experimental results with simulations showed good agreement in the middle velocity range, but there were deviations at extreme velocities. In conclusion, increasing the airflow velocity proved effective in improving the thermal performance of the condenser, but further optimization is required to balance the thermal efficiency with the energy consumption of the system.
THERMOELECTRIC TEC UNTUK MEMBANTU MENINGKATKAN MASSA OKSIGEN PADA PROSES PEMBAKARAN MOTOR BAKAR Khalida, Zulfa; Rahmad, Hadi; Puspa Dewi, Yulia; Chandra, Kartika; Putranti, Eti
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 03 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i03.156

Abstract

This research was conducted to determine the effect of TEC or air cooling on the torque produced on a 110 cc motorbike. The TEC is connected to the intake manifold using a hose and the exhaust gas is connected to a gas sensor to see the Air Fuel Ratio AFR. This research shows the same results as the theory that decreasing air temperature can fertilize the fuel mixture, which is proven by a decrease in AFR of around 4.8% and this occurs The increase in power at 5600 rpm is 6.8 HP, around 1.8 HP higher than not using TEC.
Analisa Kekasaran Permukaan Baja ST 37 Hasil Proses Milling Vertikal Akibat Variasi Proses Permesinan dan Media Pendingin Cahyono, Hiding; Syuhri, Ahmad; Setiawan, Deny
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 02 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i02.159

Abstract

Minimum surface roughness in the machining process affects the quality of a material. Likewise with the results of the Vertical Milling process. One of the things that influences surface roughness in the milling process is the selection of machining parameters. Apart from selecting machining process parameters, another thing that influences surface roughness is the presence of coolant. The aim of this research is to determine the surface roughness results of ST37 steel due to variations in cutting speed, feed speed and coolant discharge during the vertical milling process. Data testing uses multiple linear regression. The research results show that the influence of the feeding speed parameter has the greatest influence and the smallest influence is on the coolant discharge, where the results of the regression test results are Ra = 100.636 *(v)-0.577 *(vf)0.159 *(q)-0.245 with a value R Square is 0.846 or 84.6%.
PERANCANGAN SISTEM PERAWATAN PULVERIZER MODEL MVM31F MENGGUNAKAN METODE FAILURE MODE AND EFFECT ANALYSIS (FMEA) DI PT. XYZ Hendarti, Devina Rosa
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 03 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i03.162

Abstract

The continuous increase in population growth leads to a rising demand for electrical energy. PT. XYZ as a supplier of electrical energy, relies heavily on the reliability of its components to meet this demand. The frequency of failures in pulverizer machines is one of the factors that reduce production capacity. This study uses the FMEA method combined with LTA to determine the failure consequences caused by failure modes, resulting in appropriate maintenance actions for critical components. From the FMEA analysis, 10 failure modes were identified along with their causes and effects if failures occur. Based on the RPN value calculations, a critical value of 69.2 was obtained. Components with RPN values above the critical value that need prioritized maintenance are the classifier and grinding roller. In the maintenance planning stage, 7 failure modes are placed under time-directed (TD) maintenance, 2 failure modes under condition-directed (CD) maintenance, and 1 failure mode under finding failure (FF) maintenance.
RANCANG BANGUN ALAT BANTU PEMOTONGAN SEGI ENAM PADA MESIN BUBUT KONVENSIONAL UNTUK MENINGKATKAN AKURASI DAN EFISIENSI PROSES PRODUKSI Priyanto, Sugeng; Lubi, Ahmad; Anggrainy, Rani; Hari Krisyono , Danar; Muhamad Yusup , Fahmi
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 03 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i03.163

Abstract

The development of manufacturing technology, including in the field of lathes, continues to progress quite significantly to meet increasingly complex industrial needs. One of the important innovations in lathes was the use of detachable heads, the use of cutting tools in a more flexible and efficient way. Bolts with hexagonal holes are an important component in the automotive world, one of their uses is in motorbike calipers. After conducting a literature study regarding loose heads and drill chucks on lathe machines, the author carried out an evaluation and carried out a design for the design of an internal hexagon rotating tool on a conventional lathe using the Inventor application. Evaluation of the performance of this tool shows that this tool can be relied on for practical and educational applications, and meets the needs of its users which can be seen in the Von Mises Stress simulation results and also the results of tool testing
Uji Kinerja Dry Cell Electrolyzer Dengan Pengaruh Konsentrasi Elektrolit Terhadap Produksi Hidrogen sebagai Sumber Energi Fuel Cell Sheli Fitriyani; Erlinawati; Sahrul Effendy
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 03 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i03.168

Abstract

Hydrogen is a renewable energy source with the potential to replace fossil fuels due to its eco-friendly nature. This study aims to conduct a performance test of dry cell electrolyzer with variations in KOH electrolyte concentration so that optimal hydrogen production in fuel cells can be determined. The dry cell was chosen to mitigate explosion risks in wet cells caused by short circuits and uncontrolled gas pressure in previous studies. KOH concentrations from 0.1 M to 0.5 M were tested at 10 V and 12 V for 30 minutes. The results indicate that a 0.3 M concentration at 12 V achieved the highest hydrogen yield of 1.1829 liters. The optimum condition was found at 0.3 M and 10 V with 37% efficiency, producing 0.8206 liters of hydrogen with an SEC of 31,656.65 J/L. This hydrogen powered a PEM fuel cell, achieving a maximum efficiency of 45.2% under an LED lamp load. This modification highlights potential improvements in electrolyzer performance for clean energy applications.
Rancang Bangun Sistem Transmisi Mesin Peniris Minyak Bawang Goreng Tipe Spinning Setiawan, Deny
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 03 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i03.170

Abstract

The spinning type fried onion oil draining machine is a tool used to drain the oil content in fried onions with a rotating work system. This machine has a transmission system to distribute power from the electric motor to the rotating tube. The transmission system used requires good and correct calculations, so that the machine can run optimally. The purpose of this study is to design and create an effective and efficient transmission system on a spinning type fried onion draining machine. The methods used include design planning, calculation of machine elements, assembly and machine testing. The results of the research showed that the required power was 0.695 kW with a rotation speed of 420 rpm, so an AC motor with a power of 1 HP and a rotation speed of 1400 rpm was chosen. The type of transmission used was a pulley and V-belt with the A-40 V-belt type with a pulley diameter on the electric motor of 75 mm and a pulley diameter on the drain shaft of 250 mm. Using a nickel chromium alloy steel transmission shaft with a diameter of 25 mm. The type of bearing used was a UCF 204 type rolling bearing with an inner diameter of 25 mm.
ANALISIS TOTAL PRODUCTIVE MAINTENANCE (TPM) PADA MESIN FILLING VIAL DI PT. MERSIFARMA TM HEPPI FAMILIANA
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 6 No 02 (2024): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v6i02.172

Abstract

The smooth production process requires support from good machinery and equipment conditions. The availability of good machinery and equipment will greatly assist the company in achieving all production targets with good quality standards. Various obstacles are often encountered when production is in progress. If this condition continues to occur, it will hamper the production process and make it difficult to achieve the targets set by the company. Therefore, a proper maintenance program is needed in handling it. To be able to calculate and increase the level of effectiveness in the end, it is necessary to approach all aspects. One approach that can be used is the measurement of Overall Equipment Effectiveness (OEE) as a product of Total Produdctive Maintenance (TPM). The values resulting from the OEE calculation will refer to the various constraints experienced by the machine. Based on observations and data processing that has been carried out, the average value of OEE in January 2024 is 46.87% with an Availability value of 98.81%, Performance 49.26% and Quality Rate 96.30%. The average OEE value in February 2024 is 46.60% with an Availability value of 98.65%, Performance 49% and Quality Rate 96.42% and the OEE value in March 2024 is 47% with an Availability value of 98.75%, Performance 49.18% and Quality Rate 96.41%.

Page 7 of 10 | Total Record : 96

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