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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 270 Documents
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OPTIMASI RANCANGAN TERMAL SISTEM PENGKONDISIAN UDARA RUANGAN PASCA SARJANA UNISMA BEKASI Taufiqur Rokhman
Jurnal Ilmiah Teknik Mesin Vol 3 No 2 (2015): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v3i2.351

Abstract

Sistem pengkondisian/tata udara (air conditioning system) adalah suatu sistem yang mengendalikan kondisitermal udara (temperatur, kelembaban, aliran udara, dan kebersihan udara) secara serentak dari suaturuangan sehingga tercapai kondisi yang diinginkan. Penelitian ini mempunyai tujuan untuk mempelajariseberapa besar pengaruh faktor jumlah orang, temperatur udara ruangan dan temperatur udara luar gedungterhadap hasil perhitungan serta mempelajari kondisi desain yang seperti apa yang akan direkomendasikankepada calon pengguna. Kondisi desain yang dapat memberikan hasil perhitungan yang paling optimal yaitukapasitas aliran udara nyaman yang paling besar dan kapasitas mesin pendingin yang paling kecil
TINGKAT LAJU KOROSI KNALPOT KENDARAAN TYPE C 100 PRODUKSI INDUSTRI KECIL DI KABUPATEN PURBALINGGA Paridawati Paridawati
Jurnal Ilmiah Teknik Mesin Vol 3 No 2 (2015): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v3i2.352

Abstract

Dalam memproduksi komponen otomotif tentunya tidak lepas dari persoalan korosi. Korosi adalah penyebabbencana teknologi di Indonesia. Oleh karena itu peneliti tergugah untuk melakukan penelitian terhadap lajukorosi knalpot kendaraan type C 100 produksi industri kecil di kabupaten Purbalingga. Agar kelak penelitianini bisa menjadi sumbangan ilmu yang bermanfaat dalam memproduksi tabung gas buang yang tahan terhadapkorosi, terutama terhadap air laut dan air hujan. Dari penelitian ini didapatkan nilai laju korosi daerah lasantabung gas buang kendaraan type C 100 pada air hujan terbesar daerah lasan tabung gas buang kendaraantype C 100 di air hujan adalah pada air hujan Bekasi sebesar 7,57 mpy dan terendah adalah pada air hujanBandung yaitu 4,65 mpy . Sedangkan nilai laju korosi daerah lasan tabung gas buang kendaraan type C 100pada air garam 2%, terbesar didapat pada perendaman di air laut sebesar 6,54 mpy dan terkecil ada pada airdengan kadar garam 2% yaitu 4,19%. Dan Dari uji kekerasan pada perendaman air hujan kota bekasididapatkan nilai kekerasan (Rockwell) adalah rata-rata 37, sedangkan specimen pada perendaman air lautmengalami sedikit penambahan kekerasan yaitu 45 dengan masing-masing pembebanan 100 kgf.
PERANCANGAN DAN PEMBUATAN TUNGKU HEAT TREATMENT Muhammad Rais Rahmat
Jurnal Ilmiah Teknik Mesin Vol 3 No 2 (2015): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v3i2.353

Abstract

Heat treatment adalah suatu proses pemanasan dan pendinginan logam dalam keadaan padat untuk mengubahsifat-sifat fisis logam. Dalam Heat Treatment dibutuhkan Tungku Heat Treatmeant untuk pemanasannya.Tungku Heat Treatment adalah ruang dimana didalamnya dilakukan pemanasan pada benda kerja, padatemperatur tertentu dan ditahan selama selang waktu tertentu. Agar pemanasan terjadi secara optimal,diperlukan Tungku Heat Treatment yang mampu menahan panas agar tetap berada didalam ruang tungku.Dalam penelitian ini dibuat Tungku Heat Treatmen dengan dinding dari bahan Refraktori (batu tahan ap).Refraktori adalah bahan anorganik bukan logam yang sukar leleh pada temperatur tinggi
PENGARUH TEMPERATUR PADA PEMBENTUKAN BAJA KARBON RENDAH ASTM A36 UNTUK APLIKASI HANGER ROD Herry Oktadinata
Jurnal Ilmiah Teknik Mesin Vol 4 No 2 (2016): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v4i2.720

Abstract

In this study tested the tenacity ASTM A36 carbon steel at high temperatures forming in the hanger rod as raw material, in order to obtain the relationship between the temperature of the formability. Research methods include chemical analysis and tensile testing room temperature and high temperature. Then do the formation ofhanger rod of carbon steel ASTM A36 diameter of 16, 20, 24 mm at a temperature of 600, 700, and 800 0C. Then test the hardness and microstructure observation. Tensile test results showed that the tensile strength and yield drops as temperature increases. Microstructure observation indicates the grain size at a temperature of 600 and 700 0C relatively the same, but at a temperature of 800 0C is much greater. Microstructure observation also shows that there are inclusions. Optimal results show that the formation of 600 and 700 0C better than at a temperature of 800 0C. While ductility at 700 0C is better than 600 0C. So the formation of rod hanger at 700 0C is recommended.
ANALISIS SIFAT MEKANIK DAN STRUKTUR MIKRO HASIL PROSES HYDROFORMING PADA MATERIAL TEMBAGA (Cu) C84800 DAN ALUMINIUM Al 6063 R. Bagus Suryasa Majanasastra
Jurnal Ilmiah Teknik Mesin Vol 4 No 2 (2016): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v4i2.721

Abstract

Hydroforming is one of many types of the formation process that uses molds with variable high-pressure compacting (hydraulic fluid) to provide pressure and filling the space fit the mold. In this study hydroforming process is done on a pipe made from copper and aluminum alloys C84800 6063 in order to generate changes inmost pipe diameter according to cetakannya.Goal of this study was to determine the mechanical strength of the ridge on the hydroforming process products with materials of copper and aluminum, for determine the microstructure in the bulge pipe produced using metallographic test and to determine whether there is a crack on the bulge and surrounding area. The imposition of this research is done with a variable maximum pressure of 10 tons. Material of sample consisted of three samples of each type of material, divided into several parts, the left, middle and right side. Analysis of this study showed that the mechanical strength on Cu C84800 copper pipe and Aluminium 6063 has good ductility, seen from the microstructure results hydroforming process proeutektik α (Cu-Zn) and copper phase and phase β on Al-α on aluminum. Microstructure of Copper C84800 is proetektik form α-phase (Cu-Zn) and β phase (brass), no visible cracks or defects. Micro structure of Aluminium 6063 form the main phase of Al-α globular shaped particles surrounded Mg2Si, no visible cracks or defects. From the results of hardness test using Vickers Hardness, Copper Cu C84800 Sample B samples have higher hardness values compared to other samples. From the results of hardness test using Vickers Hardness, At Aluminium 6063 sample, the ample A has a higher hardness values compared to other samples.
Analisis Getaran Pada Footrest Sepeda Motor Tipe Matic dan Non-Matic Taufiqur Rokhman
Jurnal Ilmiah Teknik Mesin Vol 4 No 2 (2016): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v4i2.722

Abstract

Vibration that occurs in a device or instrument that we use often cause discomfort. Not only that, excessive vibration on the device sooner or later will cause damage to the system components. Therefore, it is important to detect vibration and subsequent attempt is made to minimize vibrations that occur so that comfort can be achieved and the damage can be minimized or even eliminated. The purpose of this study was to determine the vibration occurs in the type of motorcycle footrest matic and non-matic. In addition, knowing the extent to which differences in vibrations that occur in the type of motorcycle footrest matic and non-matic. The method used in this study is the method of testing of materials (objects) which in this case are two types of motorcycle matic and non-matic using test equipment (Accelerometer). In the non-motorcycle footrest matic vibration, characteristics are obtained farthest deviation (amplitude) in each direction of the x, y and z are respectively 2, 741 cm, 1.882 cm and 1.415 cm. The average speed in each direction of the x, y and z are respectively 2.908 cm / s, 1.893 cm / s, and 1.204 cm / s. And for the average acceleration in each direction of the x, y and z are respectively 1.701 cm /s2, 1.146 cm/s2 and 0.663 cm / s2. While footrest matic motorcycle derived vibration characteristics is that the farthest deviation (amplitude) in each direction of the x, y, and z respectively amounted to 1.590 cm, 0.826 cm and 1.268 cm. The average speed in each direction of the x, y and z are respectively 1.077 cm / s, 0.5301 cm / s, and 0.6343 cm / s. And for the average acceleration in each direction of the x, y and z are respectively 0.8627 cm /s2, 0.3747 cm / s2, and 0.3993 cm / s2
ANALISIS RESPON SISTEM GETARAN PADA MESIN TORAK Riri Sadiana
Jurnal Ilmiah Teknik Mesin Vol 4 No 2 (2016): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v4i2.723

Abstract

Vibration is a phenomenon that could not be avoided from a working system engine, so does the piston engine (piston engine). Vibration in piston engine in normal limits certainly will not interfere or reduce engine performance, But for a long time, it can reduce comfort and precision performance of the machine. The mathematical model of the vibration system on piston engine is needed in this case, created a mathematical model that will be analyzed and described, so it can be used as an input or guidelines to determine when the technical measures in the field. Reference systems work piston engine in this study refers to the piston engine in general or on a two-wheeled vehicle (125 CC).
STUDI PENGARUH EKSTRAK ECENG GONDOK SEBAGAI INHIBITOR KOROSI UNTUK PIPA BAJA SS400 PADA LINGKUNGAN AIR Novi Laura Indrayani
Jurnal Ilmiah Teknik Mesin Vol 4 No 2 (2016): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v4i2.724

Abstract

Corrosion is the main causes of construction failure of a bridge. Isolating the metal from corrosion substances is the most effective way to prevent corrosion in this construction. The usage of natural corrosion inhibitor is an alternative way to achieve that goal. Natural substance is chosen as an alternative because it is safe and widely available, biodegradable, low cost, and environmentally friendly. This work was conducted to study the inhibition behavior of water hyacinth extract. Chemical compounds in water hyacinth are cellulose and lignin. Lignin is an oxidation agent. This work use carbon steel SS400 and the effect of water hyacinth extract to the corrosion was studied. The works were conducted in liquid base and liquid acid with the variable of inhibitor concentration. Analysis was conducted by using weigh loss method and in base liquid the best concentration was 0.20 M as 0.0020 mpy and in acid liquid as 0.0047 mpy.The decrease occur because the extract works by forming thin layer (investigated on SEM analysis) or complex compound, which adsorb on metal surface as protection layer which can prevent the reaction of metal with its environment.
ANALISIS KEKUATAN VELG CAST WHEEL SEPEDA MOTOR DENGAN PERANGKAT LUNAK BERBASIS METODE ELEMEN HINGGA Andi Husni Irawan; R.Bagus Suryasa Majanasastra; R. Hengki Rahmanto
Jurnal Ilmiah Teknik Mesin Vol 4 No 2 (2016): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v4i2.725

Abstract

Cast wheel on a motor cycle is a structure from a tire that able to hold force from the weight of a vehicle and passengers. In this research is analyze effect of spoke quantity on a cast wheel rims of a motor cycle, stress and deformation that actually happen on cast wheel can be know by using the help of a mathematical software that using finite element method. Local motor cycle cast wheel rims industry is usually using trial and error when developing their products (Zuliantonil, 2007). Trial and error when developing a motor cycle cast wheel rims is a method that against with principal of sustainable product design. To make design and testing easy, mathematical software based by finite element method is used to analyze structure of cast wheel rims. In this research is achieved maximum stress that occur on cast wheel that using three rims is 2.1284e+7 N/m2 and the maximum deformation is 0.00020485 m, while maximum stress that occur on cast wheel that using five rims is 2.3171e+7 N/m2 and the maximum deformation 0.00013528 m. Three rims cast wheel is a design that can represent the best design with principal efficiency mass products productivity, because can cut material cost in a product without rule out the esthetics value and safety aspects for consumer.
ANALISIS KEBUTUHAN BAHAN BAKAR TERHADAP PERUBAHAN TEKANAN UAP Qamaruddin .; Muhammad Ilyas Sikki
Jurnal Ilmiah Teknik Mesin Vol 4 No 2 (2016): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v4i2.726

Abstract

Pada dunia industri terutama pada sektor produksi makanan, banyak yang menggunakan alat penukar kalor sebagai salah satu media untuk salah satu cara menghemat pemakaian bahan bakar yang dilakukan. Dengan pemasangan alat penukar kalor yang dipasang pada ekonomiser dengan pemakaian bahan bakar solar (HSD) sebesar 50% sampai dengan 100%. Jenis alat penukar kalor yang pasang adalah jenis shell and tube. Dengan memanfaatkan gas buang untuk pemanasan boiler, akan menakibatkan tingkat efisiensi boiler menjadi lebih tinggi dan juga dapat menghemat kebutuhan bahan bakar. Uap panas yang terbuang dimanfaatkan untuk pemanasan air pada alat penukar kalor sebesar 103 0C sementara uap panas yang terdapat di bolier sebesar 249 0C, dalam hal ini pemanasan boiler dapat terbantu oleh uap panas yang keluar dari alat penukar kalor. Dengan pengaturan beberapa variasi tekanan uap yaitu : 5,7 bar, 5,8 bar, 6 bar, 6,2 bar, 6,4 bar yang diatur pada boiler sehingga kita dapat menentukan atau memprediksi kebutuhan bahan bakar pada burner

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