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Jurnal Teknik Mesin
Published by Politeknik Negeri Malang
ISSN : 22524444     EISSN : 25492063     DOI : https://doi.org/10.33795/j-meeg.v2i2.3007
Core Subject : Science, Engineering,
Automotive Engineering Electrical & Electronics Engineering Energy Engineering Mechanical Engineering
Jurnal Teknik Mesin merupakan jurnal ilmiah nasional yang terbit secara berkala dengan artikel-artikel ilmiah dari hasil penelitian di bidang keilmuan teknik mesin meliputi Bidang : Material maju, Perawatan mesin (maintenance), Rekayasa mesin (mechanical engineering), Konversi energi, Otomotif  (Automotive), Sistem kontrol dan K3 (keselamatan dan kesehatan kerja).
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 69 Documents
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OPTIMALISASI FEED RATE DAN DEPTH OF CUT CNC TURNING LEADWELL LTC-200 TERHADAP KEKASARAN PERMUKAAN ALUMINIUM SERI 6061 ALUMINUM: OPTIMIZATION OF FEED RATE AND DEPTH OF CUT OF CNC TURNING LEADWELL LTC-200 AGAINST SURFACE ROUGHNESS OF 6061 SERIES Thoifur, Muhammad
Jurnal Teknik Mesin Vol. 3 No. 2 (2024): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v3i2.5946

Abstract

Along with the rapid development of the times. Many technologies make it easier for humans in daily life and work. One of them is in the manufacturing industry, the machining process is very important for the production process. To produce good product quality, the machining process using CNC lathe is a solution for high accuracy and efficient workmanship, especially for production processes that use lathes. There are several factors that affect the roughness value of a production result such as cutting speed, feed rate, depth of cut. The data collection process is carried out using the factorial DOE method to determine the combination of factors and levels. After machining is completed, the surface roughness of the 6061 aluminum specimen is measured using a surface roughness tester. The results of the study showed that the optimal combination of feed rate and depth of cut in the Leadwell LTC-200 CNC turning process in producing low surface roughness was at a feed rate of 0.05 mm/rev and a depth of cut of 0.2 mm with an average surface roughness value of 0.352 µm. or equivalent to N5.
ANALISA PEMANFAATAN THERMOELECTRIC GENERATOR SEBAGAI PEMBANGKIT LISTRIK MENGGUNAKAN PANAS GAS BUANG KENDARAAN BERMOTOR: ANALYSIS OF THE UTILIZATION OF THERMOELECTRIC GENERATORS AS POWER PLANTS USING THE HEAT OF MOTOR VEHICLE EXHAUST GASES Ahmad Bunaya Rifqi
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.3530

Abstract

The growth in the number of motorized vehicles increases exhaust emissions and air pollution. Emissions Exhaust gases produce heat which is discharged into the environment. The heat potential of vehicle exhaust gas can be used as a heat source to generate electricity. One of the technologies that can convert heat into electricity with zero emissions is a Generator Thermoelectric. The experimental research is to utilize the exhaust heat of motorized vehicles and convert it into electrical energy. In this study, tests were carried out using termoelektrik TEC-12706, aluminum and heatsinks as a tool to convert heat from exhaust into electrical energy. The results showed that heatsink A has a temperature difference of 35-40°C. In addition, measurements with 6 termoelektriks produce a voltage of 1.5V, a current of 0.87A and a power of 1.2W. The results of this study show the potential to utilize vehicle exhaust heat as an environmentally friendly source of electrical energy. This can help overcome the problem of exhaust emissions and air pollution caused by motorized vehicles.
ANALISIS PERBEDAAN OVERLAP CAMSHAFT DURATION TERHADAP DAYA DAN TORSI SEPEDA MOTOR SATU SILINDER 110 CC: ANALYSIS OF THE DIFFERENCES OVERLAP CAMSHAFT DURATION ON POWER 110 CC ONE CYLINDER MOTORCYCLE Nurfirmansyah, Muhammad; Ahmad Hanif Firdaus
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.5550

Abstract

The decline in performance of a vehicle that has been used for a long time makes it less comfortable when used. The aim of this research is to determine the results of the effect of camshaft overlap duration on the power of a 110 cc petrol engine. To verify its performance, experimental research methods were used in this thesis research. The research results show that varying the duration of camshaft overlap has the effect of increasing vehicle power. For example, using a variation of the camshaft overlap duration of 38o produces the highest power with 7.45 (Hp) at an engine speed of 7000 rpm. This can happen because according to the theory that the greater the duration of the camshaft overlap on a vehicle, the better the flushing of the combustion chamber at top speed.
PENGARUH VARIASI KEKERASAN DENGAN PENDINGIN BERBEDA TERHADAP KERUSAKAN MATA PISAU PEMBELAH BAMBU : THE EFFECT OF VARIATIONS IN HARDNESS WITH DIFFERENT COOLANTS ON BLADE DAMAGE BAMBOO SPLITTER Nesta, Gatha
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.5679

Abstract

This research is more in-depth about the difference coolant on bamboo splitting blade damage, the coolant used is (Water, Salt Water and Oil). The coolants used are (Water, Salt Water and Oil) Data collection using experimental method or experiments in this research laboratory include the use of tools and test specimens, after being used to split bamboo on the bamboo splitting machine. From the results of the hardening value of the cooling media Water is obtained average value of 296.416478 and the damage value obtained is an average of 2,38, from the the results of the hardening value of the Salt Water cooling medium obtained an average value of 296.3993112 and the average damage value is 3,50, from the results of the value of hardening of oil cooling media obtained an average value of 296.4512877 and the average damage value is 2,96.
PENGARUH PERLAKUAN ALKALI DAN FRAKSI VOLUME TERHADAP KEKUATAN IMPACT KOMPOSIT SERAT SABUT KELAPA (COCOFIBER) - EPOXY: EFFECT OF ALKALI TREATMENT AND VOLUME FRACTION ON THE IMPACT STRENGTH OF COCONUT FIBER COMPOSITE (COCOFIBER) – EPOXY Widhiansyah, Dwiky Agam; Widjanarko
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.5688

Abstract

As a country that has a tropical climate, Indonesia is one of the largest coconut producing countries in the world. It is recorded at the Central Statistics Agency that in 2022 total coconut production will reach 2.87 million tons. A composite is a material that is formed from a combination of two or more materials so that a composite material is produced that has different mechanical properties and characteristics from the material that forms it. The coconut fiber - epoxy composite consists of coconut fiber as a filler and epoxy resin as a matrix. Coconut fiber - epoxy composite is an alternative material that has the potential to replace conventional materials, one of which is in making vehicle bumpers. This research aims to determine the effect of alkali treatment time and volume fraction of coconut fiber (cocofiber) - epoxy composites on impact strength. The experimental method used was a variety of alkali soaking treatments for 1.5 hours, 2.5 hours and 3.5 hours and fiber volume fractions of 10%, 15% and 20%. The test results show that a 10% volume fraction with 3.5 hour alkali treatment produces the lowest impact strength of 0.017 J/mm², while a 20% volume fraction with 1.5 hour alkali treatment produces the highest impact strength of 0.048 J/mm² which meets Japanese standards Industry Standard (JIS) A5905 – 2003 with an impact strength of 0.02433 J/mm². This study concluded that a higher volume fraction resulted in a higher impact strength value, but this value decreased with increasing alkali immersion time.
STUDI EKSPERIMENTAL KOMPOR PORTABEL BERBAHAN BAKAR OLI BEKAS DENGAN VARIASI JUMLAH LUBANG NOZZLE DAN DEBIT UDARA TERHADAP DISTRIBUSI TEMPERATUR: EXPERIMENTAL STUDY OF THE INFLUENCE OF THE NUMBER OF NOZZLE HOLES AND AIR DISCHARGE ON TEMPERATURE DISTRIBUTION IN USED OIL-FUEL PORTABLE STOVES Mochammad Farhan Aprilianto; Satworo Adiwidodo
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.5956

Abstract

The use of motorized vehicles increases the amount of used oil produced. This study aimed to determine the effect of variations in the number of nozzle holes and air discharge on temperature distribution. Research using experimental methods to determine the effect of the number of nozzle holes and air volumetric flow rate on temperature distribution on portable stoves. Data from flame temperature measurements using thermocouple and thermogun tools, with repetition 3 times. Data analysis used factorial ANOVA to see the interaction between the independent variables on the dependent variable. The results show the lowest point of the flame at the number of holes 25 with a temperature of 544 ˚C and the highest point at the number of holes 20 with a temperature of 792 ˚C. In the air discharge variation, the lowest point of flame is at 0.002 mᶟ/s air discharge with a temperature of 463 ˚C and the highest point is at 0.006 mᶟ/s air discharge with a temperature of 793 ˚C.
PENGARUH DIAMETER MAGNET DAN SUDUT SERANG MAGNET SERTA INTERAKSINYA TERHADAP GAYA TANGENSIAL PADA TURBIN MAGNET MENGGUNAKAN MAGNET PERMANEN NEODYMIUM: THE EFFECT OF MAGNET DIAMETER AND ANGLE OF ATTACK AND THEIR INTERACTION ON TANGENTIAL FORCES IN MAGNET TURBINES USING NEODYMIUM PERMANENT MAGNETS Rizqi; Wirawan
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.5997

Abstract

A turbine is a drive that converts potential energy into kinetic energy and kinetic energy. The nature of magnets with the same poles will result in a repulsive force or a pushing force. The aim of this research is to determine the effect of magnet diameter and magnet attack angle and their interaction on the tangential force in a magnetic turbine using neodymium permanent magnets. The research method used is experimental on a magnetic turbine using neodymium permanent magnets. Variations in the diameter of the magnet are 15 mm, 20 mm, 25 mm, and 30 mm and variations in the angle of attack of the magnet are 5°, 10°, 15°, 20°. The results obtained in this research are that in the clockwise rotation direction the optimal tangential force value is 4.648 N with a magnet diameter of 30 mm and an angle of attack of 5°, while in the counterclockwise rotation direction the optimal tangential force value is 4.087 N with a diameter 30 mm magnet and angle of attack 5°.
UNJUK KERJA TANGKI TIMBUN T-127 TYPE CONE ROOF KAPASITAS 98.000 LITER DI PPSDM MIGAS CEPU: PERFORMANCE OF T-127 TYPE CONE ROOF STORAGE TANK WITH 98,000 LITER CAPACITY AT PPSDM MIGAS CEPU Dhaifullah, Muhammad
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.6586

Abstract

To keep this tank operating safely, it is necessary to evaluate the performance of this tank. Based on the results of the field work practice evaluation, the minimum thickness of the tank walls and roof was recorded at 0.0283 inches for the first course, 0.0226 inches for the second course, 0.0092 inches for the third course, and 0.09 inches for the roof. Actual thickness measurements showed 0.1693 inches (first course), 0.1614 inches (second course), 0.1417 inches (third course), and 0.1654 inches (roof). The measured corrosion rates varied, namely 0.03 mm/year (first course), 0.05 mm/year (second course), 0.06 mm/year (third course), 0.05 mm/year (first roof), and 0.08 mm/year (second roof). The estimated remaining life of the tank is 52.8 years for the first course, 46.8 years for the second course, 15.9 years for the third course, 42.28 years for the first roof, and 22.97 years for the second roof. Based on the analysis results, Tank T-127 is still feasible to operate with a maximum capacity of 97,998 m³.
ANALISIS PENGARUH IMPELLER OPEN SUDU 6 PADA POMPA SENTRIFUGAL MENGGUNAKAN SIMULASI CFD: ANALYSIS OF THE EFFECT OF THE 6 BLADE OPEN IMPELLER ON THE PUMP CENTRIFUGAL USING CFD SIMULATION Muhammad Azmal Fahri
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.6654

Abstract

Centrifugal pumps are very important equipment in various industrial applications, especially in the oil and gas and fluid processing industries. This pump works on the principle of moving fluid using centrifugal force generated by the impeller. Impeller design, including the number of blades and type, greatly influences pump performance. This research aims to evaluate the performance of an impeller with 6 open blades using Computational Fluid Dynamics (CFD) simulation. This simulation provides a detailed picture of impeller performance without requiring direct physical testing, thereby reducing costs and time in the development process. The research results show that the impeller with milk 6 provides optimal performance for industrial applications that require high heads and large capacities so that it can produce capacities close to manufacturer specifications with an efficiency of 69%. These results indicate that the open impeller is reliable for fluids with solids content.
PENGARUH WAKTU PERENDAMAN ALKALI PADA SERAT AKAR WANGI TERHADAP KEKUATAN TARIK KOMPOSIT BERMATRIKS RESIN POLIURETAN : EFFECT OF ALKALI IMMERSION TIME ON THE TENSILE STRENGTH OF VETIVER FIBER-REINFORCED POLYURETHANE RESIN MATRIX COMPOSITES Paundra, Fajar; Susanto, Rahmat; Syaukani, Muhammad; Prabowo, Prabowo; Rojikin, Setyo
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.6988

Abstract

Alkali treatment using NaOH solution aims to to enhance the mechanical strength of the composite. This study investigates the effect of varying immersion durations of vetiver root fibers in a NaOH solution on the tensile strength of polyurethane-based composites. The vetiver fibers, serving as reinforcement, were cut to a length of 3 cm and immersed in a 5% NaOH solution for 2, 3, 4, and 5 hours, along with a control group without treatment. After soaking, the fibers were rinsed until reaching neutral pH and dried for three days. The composites were fabricated using the compression molding method under a pressure of 5 bar for 24 hours. Tensile tests were conducted following ASTM D638 standards. The results indicate that alkali treatment affected the surface characteristics of the fibers, including cleanliness and structural changes. The maximum tensile strength of 1.592 MPa was achieved with a 4-hour immersion, whereas the lowest tensile strength of 0.893 MPa was recorded after 5 hours of soaking.

Page 6 of 7 | Total Record : 69

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