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Jurnal Mesin Nusantara
Published by Universitas Nusantara PGRI Kediri
ISSN : 27757390     EISSN : 26219506     DOI : https://doi.org/10.29407
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation
Jurnal Mesin Nusantara is a media publication for researchers who conduct research in the field of machinery. This journal is published twice a year, in June and December. Any research related to the topics in this journal can be sent to the editorial board for publication. The six (6) topics include Mechatronics, Product Design, Manufacturing, Energy Conversion, Metallurgy and Automotive.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 148 Documents
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Analisa Pengaruh Kecepatan Putaran Terhadap Visual Lasan Dengan Menggunakan Metode NDT ( Non Destructive Testing ) Pada Proses Friction Welding Suwandono, Purbo; Novayako, Riza Dandy; Suriansyah, Suriansyah
Jurnal Mesin Nusantara Vol 5 No 2 (2022): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v5i2.17938

Abstract

In the current era, human thinking about the use of technology is increasingly widespread and growing. Currently, welding has been used in many material applications with a variety of different methods. When viewed widely, welding has been used in joining rods in metal building construction and machine construction. In detail, welding is a metallurgical bond at a metal or alloy metal joint which is carried out in a melted or liquid state in a local joint using heat energy. Various methods and developments have been carried out to obtain welding alternatives with fairly good results and are environmentally friendly, one of these methods is friction welding (friction welding) solid-state welding without the use of filler metal where the welding process occurs due to the incorporation of the wrong rotation rate. one workpiece with the compressive force exerted by the other workpiece against the rotating end of the workpiece. The purpose of this study was to determine the variation of friction welding on the visual results on steel37 by varying 3 diameters 8mm, 12mm, 16mm. This study uses an experimental method to see the visual results of the welding process. The results showed that testing using penetrant testing on specimens obtained the best results at a diameter of 16mm, having a 3mm indication of the length of the penetrant at a rotation speed of 1140 rpm with a time of 114 seconds.
Pengaplikasian Elemen Pemanas Pada Mesin Pelet Kapasitas 40 Kg/Jam Fadhilah, Alif Putra; Istiqlaliyah, Hesti
Jurnal Mesin Nusantara Vol 5 No 2 (2022): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v5i2.18119

Abstract

Di Indonesia ikan lele adalah salah satu jenis ikan konsumsi yang cukup disukai masyarakat. Ikan lele adalah salah satu pilihan budidaya ikan yang memiliki peluang besar, namun ada beberapa permasalahan yang dihadapi oleh pembudidaya. Biasanya permasalahan yang dihadapi adalah harga pakan yang tinggi dan hasil penjualan yang relatif murah. Pakan ikan lele yang harganya cukup mahal membuat para pembudidayaikan lele banyak yang gulung tikar. Karena pembudidaya belum bisa membuat mesin pakan sendiri. Dari permasalahan tersebut, penulis mencoba menggali dan mengobservasi para pembudidaya terhadap apa saja permasalahan yang ada di pembudidaya. Dari permasalahan yang ada di pembudidaya penulis mencoba merancang mesin pembuat pelet yang bertujuan untuk mengatasi permasalahan yang ada di pembudida. Mesin pembuat pelet biasanya mengeringkan pelet hasil dari mesin dengan blower. Penulis mencoba merancang alat pengering pelet yang menggunakan elemen pemanas agar waktu yang digunakan untuk pembuatan pelet menjadi lebih efisien. Alat pengering ini menggunakan elemen pemanas plat stainless steel yang memiliki daya 220 V 350 W . Berdasarkan perhitungan yang ada pada rencana serta rancangan alat pengering yang menggunakan elemen pemanas ini bisa mengeringkan pelet sebesar 40 kg/jam.
Perancangan Mesin Pembersih Pipa dari Oli Anticorit di PT. SPINDO Unit 6 Fitkirana, Edwin; Arizal, Heru
Jurnal Mesin Nusantara Vol 5 No 2 (2022): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v5i2.18169

Abstract

PT. Steel Pipe Industry of Indonesia, Tbk. (SPINDO) is one of the industries engaged in the manufacture of steel pipes for various needs, ranging from furniture, construction, automotive, etc. In the process of making steel pipes, there is a special treatment to slow down the corrosion rate, one of which is by dipping the pipe into anticorit oil. Some of the customers asked for special treatment on the galvanized iron square pipe to be cleaned of anticoritic oil. The problems that occur in PT. SPINDO unit 6, namely the process of cleaning pipes from anti-rust oil is still carried out by wiping the pipe surface so it takes a long time, which is 30 seconds/pipe. The purpose of this design is to determine the components, engine working mechanisms, and designs used in pipe cleaning machines from anticorit oil. With this design, it is hoped that it can become an illustration in the manufacture of anticorit oil pipes for cleaning machines for the speed up process.
Analisis Kalor Bioetanol Berbahan Dasar Sabut Kelapa Nadliroh, Kuni; fauzi, Ah. Sulhan; Maulidina, Miftakhul
Jurnal Mesin Nusantara Vol 5 No 2 (2022): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v5i2.19006

Abstract

Bioethanol is an alternative fuel that can be used as a substitute for fuel. Bioethanol can be produced from the fermentation of sugar from carbohydrates or sugar. The content of bioethanol that can be used as fuel has a minimum alcohol content of 10%. This research is a follow-up study from previous research regarding the manufacture of bioethanol made from young coconut ice seller waste, namely coconut fiber. Where the result of the result of the research is that the resulting bioethanol contains quite a lot of alkohol. The waste of young coconut ice sellers can produce bioethanol produced from the fermentation process. The aims of this research determine the calorific value of bioethanol from reflux distillation from coconut fiber. The methode is used a calorimeter bomb. Test were carried out on bioethanol derived from young coconut ice waste, namely coconut shell. The research was conducted on bioethanol from coconut fiber by going through a reflux distillation process. The results showed that the highest calorific value was produced by type C samples with 28 days of fermentation, the calorific value was 3940 cal/gram.
Analisa Pengaruh Proses Alkali Pada Komposit Serat Tebu Bermatrik Polimer Istiqlaliyah, Hesti; Fauzi, Ah. Sulhan; Nadliroh, Kuni; Mahmudi, Haris
Jurnal Mesin Nusantara Vol 5 No 2 (2022): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v5i2.19413

Abstract

Perkembangan material teknik terutama komposit polimer yang meliputi bahan-bahan baru (high-tech materials), proses manufaktur dan aplikasi teknik dekade ini menunjukkan peningkatan yang cukup sinifikan. Masalah yang timbul seiring dengan perkembangan teknologi bahan komposit polimer tersebut adalah bagaimana memanfaatkan bahan-bahan yang sumber ketersediaannya cukup banyak yang mampu diregenerasikan untuk mengantisipasi krisis bahan terutama jenis plastik polimer, dimana tersedianya sumber bahan dipengaruhi oleh sumber minyak bumi yang tidak bisa diperbaharui. Dari sinilah timbul satu ide atau gagasan, bagaimana memanfaakan serat alam sebagai bahan penunjang atau bahan pengganti komposit yang terbuat dari polimer. Serat alam yang dipilih adalah serat bagasse, karena serat ini banyak ditemukan di sekitar kita sebagai salah satu jenis limbah. Permasalahan yang diangkat dalam penelitian ini adalah, untuk mengetahui seberapa besar kekuatan tarik serat setelah mendapat proses treatment berupa proses alkali menggunakan cairan NaOH 5% dengan waktu perendaman 0, 120, dan 180 menit. Setelah proses treatment, serat kemudian diuji kekuatan tariknya. Diharapkan hasil dari penelitian ini dapat dimanfaatkan sebagai temuan atau referensi dalam rekayasa material terutama komposit, serta dapat membantu mengurangi limbah.
Analisa Kebulatan pada Proses Drilling Material KFRP Mufarrih, Am; Harijono, Agus; Amrullah, Utsman Syah; Qosim, Nanang; Emzain, Zakki Fuadi
Jurnal Mesin Nusantara Vol 5 No 2 (2022): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v5i2.19472

Abstract

Proses drilling merupakan proses pemesinan yang paling banyak digunakan di industri otomotif dan manufaktur. Kinerja proses drilling pada material Komposit KFRP bisa diukur dengan karakteristik kualitas seperti kekasaran permukaan, burr height, kebulatan, konsumsi daya, gaya tekan dan delaminasi. Penelitian ini bertujuan untuk mengetahui pengaruh variasi variabel bebas sudut ujung pahat dan kecepatan makan terhadap variabel respon kebulatan. Rancangan percobaan menggunakan metode full faktorial yang berupa orthogonal array L9 dengan replikasi sebanyak dua kali. Variabel bebas yang divariasikan adalah sudut ujung pahat (100°, 118°, 140°) dan kecepatan makan (50 mm/menit, 115 mm/menit dan 180 mm/menit). Variabel respon yang diamati adalah kebulatan. Proses drilling dilakukan menggunakan mesin CNC Milling. Pahat yang digunakan adalah twist drill HSS Nachi diameter 10 mm. ANOVA digunakan untuk mengetahui variabel-variabel bebas yang memiliki pengaruh signifikan terhadap variabel respon yang diamati. Hasil penelitian menunjukkan bahwa sudut ujung pahat dan kecepatan makan berpengaruh signifikan terhadap respon kebulatan. Peningkatan sudut ujung pahat dan kecepatan makan akan meningkatkan penyimpangan kebulatan, sehingga agar diperoleh profil kebulatan yang baik, maka perlu menggunakan sudut ujung pahat yang kecil serta kecepatan makan yang rendah.
Studi perbandingan elektroda bawah air konvensional dan elektroda dengan modifikasi tambahan mg Hindami, Fahrizan Imam; Winarto, Winarto; Purnama, Dewin
Jurnal Mesin Nusantara Vol 6 No 1 (2023): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v6i1.18161

Abstract

The influence of water depth, microstructure, chemical composition, welding defects, and mechanical properties affect underwater welding. In addition, the determination of electrodes for underwater welding requires unique properties, including being able to cause arcing and slag to grow on the surface of metal deposits which can protect against the effects of oxides and low hydrogen solubility. The electrodes must meet the AWS D3.6M underwater welding specification standard. In this study, the steel plate material used in AH-36 and implemented for underwater wet welding by comparing two electrodes, namely E6013 with additional Mg modifications and Broco E70XX electrodes specifically for underwater wet welding, the other Mg on E6013 rutile electrodes with modification 1 ( 3% Mg) and Modification 2 (5% Mg). The welding method with a heat input of 1.5 kJ/mm with 130 A and 2.5 kJ/mm with 140 A is carried out at 5m. The radiographic test results showed that the welded specimens at a depth of 5m showed imperfect penetration defects. It may be due to the effect of significant pressure and higher cooling rate that the weld melt cannot penetrate completely into the parent material. The tensile test results also showed an insignificant increase in the strength of the underwater welding, and the elongation was quite significant. Occurs at the E6013 electrode with modification 1 (3% Mg) and Modification 2 (5% Mg). The increase is not too significant. Penetration is not perfect. Due to significant pressure and a higher cooling rate, the molten weld cannot penetrate completely into the parent material. However, for testing the Broco E70XX electrode where there is no change in microstructure, such as electrodes modified with magnesium where only grain growth occurs, and there is Spheroidite which makes the microstructure related to mechanical properties, namely ductile.
Perancangan Single Girder Gantry Crane 2 Ton di PT Spindo Unit VI Saputra, Yudi Kurniawan; Arizal, Heru
Jurnal Mesin Nusantara Vol 6 No 1 (2023): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v6i1.18167

Abstract

In carrying out the design process, the main factor that must be considered is the lifting strength of the crane against the maximum load borne. Because the inaccuracy of the design process can result in malfunctions, even causing work accidents. Therefore, it is necessary to do the right design so that it can be used safely. In this design, the design of a lifting aircraft with a single girder gantry crane is designed with a lifting capacity of up to 2 tons, a lifting height of 4 meters, and a transfer width of 5 meters.. The design method used is by substituting the values ​​and other factors needed into the known equations to obtain the final result. To determine the maximum tensile strength of the load in this crane design, the equation for the maximum tensile force is used to obtain a result of 633.12 kg. Then for the steel rope chosen in this design is the 222 wire construction with parallel positions. By using the equation for resistance of the motor to movement, the power needed to move the crane is also 23,215 HP
Proses Hydrotest pada Tube Bundle Pertamina RU III Plaju Palembang di PT. PAL Indonesia Dimas Nur Isa Prahesti; Arsana, I Made; Yunus, Yunus
Jurnal Mesin Nusantara Vol 6 No 1 (2023): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v6i1.18217

Abstract

A tube bundle (shell and tube heat exchanger type) is a tool to transfer heat from a fluid system that usually functions as a cooler or heater. So, to find out if the tool can function properly it is necessary to hold a test, one of which is a hydrotest. Hydrotest is a test method to measure the strength and detect leaks in piping systems. This test is very important to do to ensure there are no leaks in the tube bundle. The test method uses water as a fluid medium which is filled into the tube bundle and is pressured by a hydrostatic test pump at not less than 1.5 times the nominal pressure. In this test, the tube bundle being tested has a nominal pressure of 183.95, so it must be tested with a pressure of 367.91 PSIG. After checking, there was no pressure drop from the hydrostatic test pump. The graph on the pressure recorder is as desired so that this test is declared to have passed. The tube bundle that is declared to have passed the hydrotest will then proceed to the final check stage by the QA officer. When doing a hydrotest, it must be done carefully because if you experience overpressure it can cause fatality in the tube bundle and damage to facilities.
Sifat Mekanik API 5l X-65 Cladded UNS N08825 Akibat Pengaruh Perbaikan Las Defi Pramesti; Winarto, Winarto
Jurnal Mesin Nusantara Vol 6 No 1 (2023): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v6i1.18233

Abstract

Abstract This study evaluate the mechanical characteristics and microstructure of API 5L X-65-clad UNS N08825 during repair welding. Gas tungsten arc welding (GTAW) and shielded metal arc welding were used in combination to carry out the welding and the repair welding (SMAW). Filler metals ER NiCrMo3 and E NiCrMo3 were used throughout the GTAW and SMAW welding processes. The first specimen served as the primary focus, after which the weld areas of the remaining four specimens were ground, re-beveled, and then re-welded using the same parameters. It performed tensile testing, bending tests, Impact Charpy tests, macro photography tests, and Vickers hardness tests. Repairs weld carried out, the heat-affected zone's hardness in the capping region increased. The findings of the tensile test demonstrate that the tensile strength is not considerably impacted by the welding repair at any particular welding repair location. The biggest decline in the number is caused by the welding repair at PTR 2, which is 0.83 percent. The heat affected area (FL) value decreased by 10.44 percent according to the charpy impact test results. The PTR 1 and PTR 2 areas in the weld metal area had the lowest charpy impact test results, respectively, of 88 J and 258 J.

Page 8 of 15 | Total Record : 148

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