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Jurnal Ilmiah Teknik Mesin
Published by Universitas Islam 45 Bekasi
ISSN : 23030909     EISSN : 25810332     DOI : https://doi.org/10.33558/jitm.v8i2
Core Subject : Science, Engineering,
Automotive Engineering Control & Systems Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Ilmiah Teknik Mesin (JITM) diterbitkan oleh jurusan Teknik Mesin Fakultas Teknik Universitas Islam “45” (UNISMA) Bekasi. Jurnal ini sebagai jurnal berkala ilmiah yang memiliki tujuan untuk mempublikasikan pengembangan ilmu serta wawasan mengenai lingkup teknik mesin yang berfokus pada bidang energi baru terbarukan dan manufaktur. Publikasi yang diterbitkan oleh Jurnal Ilmiah Teknik Mesin UNISMA Bekasi merupakan hasil penelitian para akademisi baik dari penelitian para dosen maupun penelitian kerjasama antara mahasiswa dan dosen, bahkan juga penelitian dari kalangan para praktisi industri yang bergerak di bidang teknik mesin. JITM ini dapat diakses secara full text dan open access oleh para pembaca sehingga para pembaca juga ikut turut membantu dalam peningkatan sitasi dari JITM. JITM dipublikasikan sebanyak 2 (dua) kali dalam 1 (satu) tahun yaitu pada bulan Februari dan Agustus. Lingkup JITM meliputi bidang energi baru terbarukan, dan manufaktur. Bidang energi baru terbarukan yang dibahas mengenai sistem dan alat teknologi konversi yang mampu mengkonversi sumber energi terbarukan seperti energi tenaga air, tenaga angin, tenaga surya, biomassa, dan lain-lain untuk dapat dimanfaatkan energinya ke bidang sektor yang lain. Bidang manufaktur yang dibahas meliputi bidang material, tribologi, dan lain-lain. Redaktur mengundang para penulis dan peneliti untuk mengirimkan artikel ilmiah maupun hasil penelitiannya ke JITM UNISMA Bekasi.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 119 Documents
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PENGARUH TEKANAN UDARA PADA KOMPOR BENSIN TERHADAP PRESTASI PEMBAKARAN DENGAN METODE PENGUAPAN Alkarim, Bayu Maidi; Rahmanto, Raden Hengki; Mahfud, M Irham
Jurnal Ilmiah Teknik Mesin Vol 6 No 2 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

Vapor carburetor was invented by Tom Ogle in 1971. By his invention, fuel consumption of vehicle more economic than conventional carburetor. In the rare and high price of LPG, writer made a machine which has same principle with vapor carburetor. Gasoline stove can be an alternative and solution for many problem caused gas stove. Writer used aerator as an air supplier and also as vaporizer of pertalite. Writer compared Specific Fuel Consumption (SFC) every pressure (variable) which is as an indicator of combustion performance. According from this experiment showed smallest SFC number was happened on 0,6 kPa, which at this point was happened optimum combustion. Generally, at pressure range 0,6 kPa to 2,5 kPa, higher pressure will increase Specific Fuel Consumption (SFC) number, but the other way will need shorter time.
PENGARUH TEMPERATUR DAN WAKTU AUSTEMPER TERHADAP SIFAT MEKANIK DAN STRUKTUR MIKRO BAJA AISI 1045 Deniyasa, Fahmi; Santoso, Budi; Indrayani, Novi Laura
Jurnal Ilmiah Teknik Mesin Vol 6 No 2 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

AISI 1045 carbon steel is being used as the main raw material vehicle engine components such asshafts, spur gears, pistons and connecting rods. Spur gear is one component that experiences themost wear and tear caused by the properties of hardness and wear resistance are poor. The impactof the spur gear wear becomes damaged and does not function normally. To minimize wear of thenecessary process of hardening heat treatment at a temperature of 845ËšC was detained for 60minutes, then quenching with brine and continued with the process of austempering at 295ËšCtemperature variation, 330ËšC, and 365ËšC and the holding time 30 minutes, 60 minutes and 90minutes. Use the specimen 1 which is raw material of AISI 1045 steel as the compare resultswithout heat treatment. Tests conducted is hardness test, test microstructure and wear-resistanttest. The test results showed increased to 200 HB hardness of HB 182 initially, rose by 9.89% onthe specimen number 3. Testing of wear showed the lowest yield value of 5.5643747 abradedmaterial volume mm3 / mm and a specific wear value of 0.006603292 mm2 / Kg in the specimenNo. 3. Changes occur on the microstructure of ferrite and perlite into martensite and bainitemicrostructure after heat treatment in this study.
PENGARUH POLARITAS PADA KEKERASAN DAN STRUKTUR MIKRO LAS SMAW MATERIAL ST 40 ELEKTRODA E 6013 N. F, Fande Febrian; -, Paridawati; Wibowo, Supriyanto
Jurnal Ilmiah Teknik Mesin Vol 6 No 2 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

The welding process on the steel causes mechanical properties such as residual stress and poorpenetration, this is because it can be caused by the use of polarity in welding because the theory forpolarity use is adjusted to the materialto be welded, thisresearch aims to know the the effect ofpolarity on ST 40 plate steel material with electrode E 6013. This method uses two methods ofwelding the first straight and second polarity method using reverse polarity method using reversepolarity method using ST 40 steel material (60 mm x 27,5 mm x 10 mm), then using hardnesstesting and microstruktur testing. The result of the research and calculation of known highhardness value 148,67 HR and for microstructure test result there is ferrite and perlite microstructure on raw material, and for welding area and HAZ grain area become more smooth due tohigh heat exposure so that the structure becomes finer, and the structure is formed ferrite andperlite with accicular ferrite lines. This to solve the problem when it is cracked or broken at thewelding area on the component convenyor between axle connecting with drive roll can be causeddue to incorrect use of polarity.
ANALISIS MATERIAL BAJA ASTM A36 PADA DAUN PINTU AIR BENDUNG BEKASI DENGAN METODE SIMULASI BUILDING INFORMATION MODELING Fajri, Mochamad Ubaedillah; -, Ahsan; Handoyo, Yopi
Jurnal Ilmiah Teknik Mesin Vol 6 No 2 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

The operation of the intake gates of the Bulkhead Gates type weir is strongly influenced by the flowof irrigation water flow, the activity of regulating the flow rate is very important to be carried outin order to divide the amount of flow to the various regions it passes. This is generally done tomaintain the strength of the steel structure of the air intake door of the Bulkhead Gates type weir.Water flow rate with a certain capacity if there is a decrease in water flow discharge and theamount of discharge of water flow which increases dramatically in the rainy season. When theamount of water flow increases, the operation of the sluice structure experiences a very high load,the structure of the sluice has the elasticity of the material on the sluice leaves and also thesupporting steel structure. This is very risky if there is a sudden break or crack in the sluicestructure. In this research study using the Building Information Modeling (BIM) method using steelstructure modeling The intake gates of the Bulkhead Gates type weir as the basis of the research tofind the minimum and maximum loading influenced by the water flow discharge. Physically stellstructure The bulkhead gates type intake gates fulfill the loading requirements. This research usesASTM A36 Sheet Plate carbon steel material on sluice leaves which can provide accurate loadingpredictions on the simulation. a combination of variations in water level above the averagethreshold of TMA 18.98 masl with Q to SITB (m3/sec) with very heavy rainfall. BIM meodelingsimulation on the sluice gate can also effectively regulate discharge and also the threshold ofloading on the steel sluice structure. From the results of the simulation of the BIM method in thisstudy can be useful as a reference to the concept of steel structure in the building of the air intakedoor of the Bulkhead Gates type weir.
STUDI EKSPERIMEN ANALISIS SIDE STEP ELEKTRODA TERHADAP KUALITAS ROUGNES PADA PROSES ELECTRICAL DISCHARGE MACHINE Setiawan, Fajar; Mahfud, Muhammad Irham
Jurnal Ilmiah Teknik Mesin Vol 6 No 1 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

Electrical Discharge Machine (EDM) is increasingly being used in the manufacturing industry.Especially to overcome very hard material machinery, Mold made using EDM machine processtherefore the manufacturing time must be fast to become a finished product. In this research theauthors analyze the making of electrode into the tools in making mold by EDM machine. Sidestep of cutting speed of millions machine can be change by setting on CAM program, From theresults of this research to getting cavity with rougness 10S can using side step (previously 0,03)and get time cutting different 4 minutes or 28% faster.
ANALISIS PENGARUH KUAT ARUS LISTRIK TERHADAP KETEBALAN PELAPISAN PERAK PADA ALUMUNIUM A6063 DENGAN PROSES ELECTROPLATING Sabekti, Kisworo; Mansjur, Gery Setiadi; Diningrum, Jenny Primanita
Jurnal Ilmiah Teknik Mesin Vol 6 No 1 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

Electroplating is the process of coating metal surfaces with electrochemical methods. The use ofaluminum material as a conductor in gas insulated switchgear is no other because aluminummaterial is lighter and cheaper than other metals. But in terms of delivering aluminum electriccurrent it is more difficult because it has a greater type of resistance than copper and silver.Therefore, the conductor connection made from aluminum will be coated with copper and silverto facilitate the supply of electric current. The coating process uses electroplating method. Theelectroplating for coating process uses current strengths 0.2 A, 0.3 A, and 0.4 A. From variousvariations of the current strength will affect the thickness of the coating. The results of this studyindicate that the higher the current strength is directly proportional to the thickness of the layer.The thickness of the electroplating process that uses current strengths 0.2 A, 0.3 A, and 0.4 Arespectively is 10.88 μm, 18.83 μm, and 28.18 μm. Whereas in testing conduct electricity to theworkpiece with a silver thickness of 10.88 μm less than the workpiece with a silver thickness of18.83 μm and 28.18 μm.
STUDI EKSPERIMEN VARIASI WAKTU ELEKTROPLATING Zn TERHADAP LAJU KOROSI PADA BAJA AISI 1045 Lintang, Ahmad Nur; Indrayani, Novi Laura; Maulana, Ahmad
Jurnal Ilmiah Teknik Mesin Vol 6 No 1 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

Research has been conducted on the analysis of corrosion rate of zinc electroplating on AISI1045 steel in a corrosive medium of 3.5% NaCl and 5% NaCl. The electroplating time variationused is 5 minutes, 10 minutes, and 15 minutes. Corrosion rate was carried out by soaking steelfor 174 hours in NaCl medium and calculated by weight loss method. The ideal time in the Znelectroplating process is 10 minutes in 3.5% NaCl solution with a weight reduction of 0.023grams and a corrosion rate of 1.670723071 mpy, while in the Zn electroplating process for 15minutes in a 5% NaCl solution the weight reduction is 0.033 grams and the corrosion rate is2,386747245 mpy. The test results on microstructure using a metallurgical microscope can beconcluded that AISI 1045 steel without electroplating is easily exposed to corrosion comparedto the Zn electroplating process.
ANALISIS PENGARUH KUAT ARUS LISTRIK DAN WAKTU PROSES ANODIZING PADA OUTER TUBE FRONT FORK MODEL XY TERHADAP KETEBALAN LAPISAN Nurendra, Rahmadian; Rahmanto, Raden Hengki
Jurnal Ilmiah Teknik Mesin Vol 6 No 1 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

Anodizing, also known as metal plating, is a surface treatment for coating metal surfaces with aprotective oxide layer of a certain thickness to protect it from environmental destructive effects thatcause corrosion, wear and increase abrasion resistance. The anodizing method also produces amore attractive, textured and colored metal appearance. The purpose of this study was todetermine how the variation of sulfuric acid concentration in aluminum anodizing process to thethickness of the oxide layer and hardness on the aluminum surface.Outertube that has beenmachined is sanded gradually until the aluminum surface is clean and there are no scratches thatcan interfere with the anodizing results. The anodizing process is carried out using a slideregulator transformer, then the cleaning, etching, desmut, anodizing and rinsing processes arecarried out in each process. The anodizing process was carried out using variations in currentstrengths of 0.75A, 1.5A, 2.25A and 3A with 30, 40, 50, and 60 minutes immersion variation times.The tests carried out included a micro photograph of the thickness of the oxide layer.The testresults show that the addition of current strength in the anodizing process affects the thickness ofthe oxide layer.
ANALISA PENGARUH BENTUK IMPELLER TERHADAP PERFORMA POMPA SENTRIFUGAL DOUBLE SUCTION TYPE VENUS 1-900.1000 Firmansyah, Rifqi; Suhendra, Bobie
Jurnal Ilmiah Teknik Mesin Vol 6 No 2 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

The impeller wheel is an important component of centrifugal pumps, which need to get importantattention starting from designing and modeling impeller shapes. This is very influential on theperformance of the pump. This study aims to determine the exact model of the impeller in theinstaller in parallel and to maintain the balance of the pump working operation with time. Themethod used is a comparative system of pump impeller models in order to improve pumpperformance optimally. From the results of this study that the pump with a discharge of 3.1 m3/sobtained optimum results with a pump head of 281 meters and an efficiency of 88% and dimensionsof the blade width of 22.5 cm for the double suction pump type.
ANALISIS PERKANDUNGAN EFISIENSI PEMBANGKIT LISTRIK GENERATOR BERBAHAN BAKAR PROPANA (GAS LPG) DAN BENSIN Wibowo, Imam; Suryasa, Raden Bagus; Santoso, Tri
Jurnal Ilmiah Teknik Mesin Vol 6 No 2 (2018): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

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Abstract

At present around the world, including Indonesia experiencing electrical energy crisis, so that therotating power blackouts. The role of the generator becomes a solution as a backup of energysources. Generators using gasoline and gas as a source of energy. The gas can be LPG (LiquiefiedNatural Gas), Natural Gas, or CNG (Compressed Natural Gas). The method used is usingexperimental methods and theoretically mathematical calculations. In practice, three experimentalspecimens were performed using premium gasoline-fuel converter kits, then with the use of LPGgas fuel converter kits and with the use of premium gasoline fuel carburetors. From these threeexperiments, there are variations of engine rotation, ie normal speed, medium speed, and highspeed speed. From the test results, with the normal speed of engine efficiency generated by theexperiment using a gasoline kit converter produce 34.86% with 3187 rpm engine speed, with LPGgas fuel kit converter produce 46.18% with 3103 rpm engine speed, and by using standard fuelcarburetor gasoline generate 32.02% debgan engine speed 3326 rpm.

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