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Jurnal Rekayasa Mesin
Published by Universitas Negeri Surabaya
ISSN : 2337828X     EISSN : 29887429     DOI : https://doi.org/10.26740/jrm.v9i03
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
The Journal of Mechanical Engineering (JRM) is published three times a year, in April, August, and December, by the Applied Bachelor Degree Program (D4) in Mechanical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya (UNESA). It serves as a medium of information and a forum for Development of Technology, Numerical Studies, Experimental Studies, and Applied Research in the field of Mechanical Engineering. The journal contains scientific papers, summaries of research results, literature reviews, and original critical ideas. The editorial team invites researchers, practitioners, and anyone interested in contributing articles that have not been published elsewhere. The themes of the articles include Machining Materials and Metallurgy Manufacturing Processes Mechanical Design Control Systems
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 7 Documents
 1 
Search results for , issue "Vol 7 No 01 (2022): JRM" : 7 Documents clear
ANALISA LAJU KOROSI PADA PIPA HASIL PEMOTONGAN ALAT PEMOTONG BENDA SILINDRIS BERBASIS OXY-ACETYLENE TERHADAP AIR LAUT Aprilianto, Mochammad Ismail Bagus; Sakti, Arya Mahendra
Jurnal Rekayasa Mesin Vol 7 No 01 (2022): JRM
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v7i01.44342

Abstract

The type of sea transportation in Indonesia is the ship, because the ship is an important means in the activities of relations between people from one island to another. Ships that have a Water Ballast Tank mounted on the side of the ship in order to make the ship balanced. In general, Water Ballast Tanks are installed in two different places, to maintain the balance of the ship by removing water through the side of the ship. Pipes as a means of disposing of sea water in the Ballast Tank. In the manufacture of Water Ballast Tank pipes, it is necessary to require a cutting process and appropriate material selection. The research on analyzing the corrosion rate on the pipe cutting results from oxy-acetylene-based cylindrical cutting tools against seawater objective to determine the appropriate materials.This research starts from formulating the problem researched by conducting a survey and searching for literature as a bibliography. The data analysis method used in this research is quantitative and qualitative descriptive statistics. Quantitative analysis technique is carried out by examining the data obtained from the experiment, and the results are made in tabular format and in the form of quantitative data displayed in graphic format.The sequence of the corrosion rate analysis process starts from cutting with an oxy-acetylene-based cylindrical object cutting tool, then cleaning from the crust, after that the initial weight and immersion process is carried out after lifting and weighing the final weight. The results of this corrosion rate analysis starting from cutting with oxy-acetylene-based cylindrical cutting tools, the results of the statement are that the farther the cutting distance on the galvanized material, the greater the corrosion rate and the closer the cutting distance on steel material, the greater the corrosion rate and on iron material. it can be concluded that the 7 mm cutting distance the corrosion rate is smaller than the 5 mm and 10 mm cutting distances.
RANCANG BANGUN MESIN SPOT WELDING AND SOLDERING IRON SEMI PORTABLE Hidayat, Achmad Fachrus; Sakti, Arya Mahendra
Jurnal Rekayasa Mesin Vol 7 No 01 (2022): JRM
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v7i01.44343

Abstract

In the welding process, there are still some obstacles, such as the process is long and the results are not neat. In addition, a tool that can be used as a solder is needed which aims to support the repair process. To overcome this we need a tool with the best method, the author chose to develop a spot welding machine as the method. The spot welding design also combines stationary and portable types so that it can be used for purposes with different conditions. This design aims to find out the best design, control system, tool manufacturing process, and optimal operating method. Tool design begins with determining the design method. Design methods include: determining the theme, observation, Identification of Tool Requirements (Specifications), design concepts and design methods. The results of the design obtained tool specifications including: In the design of this spot welding machine using a MOT (Microwave Oven Transformer) transformer with a power of 1,215.35 Watt. So that the electric charge that flows on this machine for 10 seconds is 11,073 Joule. The control system used is based on a timer. The welding cable used is NYAF (fiber) type cable with 16mm. The arm drive system (JIG) uses a pressure cylinder mechanism that is actuated by a pedal. Inside the compression cylinder there is a spring with specifications 16mm, 15mm long with a wire diameter of 1.5mm which is used to generate welding pressure. The combination of the pedal mechanism and the spring obtained a pressure of 0.35 bar. The tool testing process is carried out by connecting a nickel plate that has a thickness of 0.5mm with a width of 5mm. The current given when the welding process is 390 Ampere with a pressure of 0.35 bar. Can be concluded; The best welding results occur in the time range between 4-6 seconds.
RANCANG BANGUN ALAT BANTU PENGELASAN LEHER KNALPOT STAINLESS STEEL Solichudin, Fiqih Nur; Sakti, Arya Mahendra
Jurnal Rekayasa Mesin Vol 7 No 01 (2022): JRM
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v7i01.44344

Abstract

ANALISA PENGARUH JUMLAH LILITAN DAN DIAMETER TEMBAGA PADA TRAFO TERHADAP DAYA OUTPUT MESIN SPOT WELDER AND SOLDERING IRON SEMI PORTABLE Sedjati, Moch. Ari Wibowo; Wulandari, Diah
Jurnal Rekayasa Mesin Vol 7 No 01 (2022): JRM
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v7i01.44345

Abstract

In the welding process, there are still some obstacles, namely the welding equipment used still requires a large amount of electricity. For this reason, a welding tool that has relatively small electrical power is needed, it requires a transformer that is able to cut electrical power. To answer the above problems, the author is interested in developing a MOT (Microwave Oven Transformer) transformer whose secondary winding is modified as an alternative to conventional transformers so that the electric power becomes small. This plan aims to make a transformer with an output power of 450 Watt on a "semi-portable spot welder and soldering iron machine" and capable of operating at home with 450 VA electricity. The process of making a transformer begins with determining the output power generated by a MOT (Microwave Oven Transformer) transformer. The design method determines the number of turns and the diameter of the copper in the transformer by using copper with a diameter of 12 mm and 16 mm, while the work concept determines the basic concept of calculating the output power and efficiency of the MOT (Microwave Oven Transformer) transformer.
ANALISA KECEPATAN MOTOR PADA ALAT BANTU PENGELASAN BAHAN LEHER KNALPOT STAINLESS STEEL Murod, Moh Iqbal; Sakti, Arya Mahendra
Jurnal Rekayasa Mesin Vol 7 No 01 (2022): JRM
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v7i01.44944

Abstract

In the manufacturing process, especially welding an object, there are still several obstacles, namely the quality of the welding results, besides depending on the welding work process it also depends on the selection of predetermined welding parameters so that the results obtained are very good. Therefore, every difference in welding speed is different as well as the results produced. So with the "stainless steel exhaust neck welding tool" it is hoped that it can help the welding process activities on the stainless steel exhaust neck. In the process, this tool still needs to be tested in terms that most affect the quality and productivity at rotational speed, it is necessary to carry out further studies related to this research. Therefore, the authors are interested in analyzing the variations in motor speed on the welding results on the tool. One way to analyze the welding results is to perform a tensile test for pipe welding with a diameter of 24mm and a thickness variation of 1mm and 1.2m, with variations in the welding speed of 3,4,5 mm/second. After getting the welding results, a tensile test is carried out to determine whether or not variations in motor speed are affected and to determine the maximum ability of the specimen to withstand loads which is commonly referred to as "Ultimate Tensile Strength" (UTS). From the tensile tests carried out, there was a decrease in the average value of the tensile stress for stainless steel pipe welding at a speed variation of 3 mm/second by 59.11 kg/mm2 to 53.53 kg/mm2 at a speed variation of 4 mm/second, as well as speed variation of 5mm/second which has an average tensile stress value of 45.13 kg/mm2. In other words, the variation of the welding speed of 3 mm/second is the ideal welding speed variation when the welding process uses a stainless steell exhaust neck.
RANCANG BANGUN ALAT MONITORING KERJA SENSOR PADA SEPEDA MOTOR INJEKSI Sari, Heni Musvita; Wailanduw, A. Grummy
Jurnal Rekayasa Mesin Vol 7 No 01 (2022): JRM
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v7i01.45065

Abstract

In today's modern era motor vehicles, especially motorcycles, have been dominated by electronic devices. Automotive electronic systems typically use ECU (Electronic Control Unit), a digital control by a microcomputer that allows the formation of information processes quickly and highly accurately. ECU can also detect damage there is an electrical system in motor vehicles, especially in motorcycles through sensors in motorcycle engines. And also be able to know the electronic system on a motorcycle is needed so that users/motorcyclists can fix it for that the purpose of this research is to create a system or device that can monitor the performance of electronic systems on motor vehicles, especially in motorcycles, in real-time through serial display programs using Arduino nano microcontrollers and store data in Excel. The method used in this engineering is to use a frame with a length dimension of 384 mm and a width of 264 mm with a height of 102 mm. Using a microcontroller. The mechanism of the tool is to process data from sensors and then the data is processed using a microcontroller into data whose output can be to LCD or Lamp or to excel with the help of a third-party program, namely PLX DAQ. The results of this engineering show that the standard value of measurement ofO2 levels resulting from this engineering in injection motorcycles is still far from the tool in the market because there are unit differences in the sensor work monitoring tool on injection motorcycles with tools in the market. And the results of this engineering for temperature measurement there is a difference in the measurement position in the sensor work monitoring tool on the injection motorcycle is on the cylinder head, while in the EOT measuring device.
RANCANG BANGUN ALAT UJI BENDING DENGAN SISTEM HIDROLIK Fais, Fahrizal Muhammad; Ningsih, Tri Hartutuk
Jurnal Rekayasa Mesin Vol 7 No 01 (2022): JRM
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v7i01.45067

Abstract

The importance of bending testing is to determine the ability of the mechanical properties of materials, especially welded steel materials, to determine the flexibility of the material and the strength of the test material. Bending testing is mostly done to test the bending ability of the welded material. In materials science courses and in materials science laboratories there are no practical teaching aids and bending testing. Therefore, this bending test tool is made very safe for practical demonstrations and testing in the laboratory. In practice, there are still few material testing practitioners who pay attention to aspects of the effect of variations in the test object on the bending test results data, and the dimensions that already exist in the ASTM E855-08 standard that we use. For this reason, this bending test tool was made to study the effect of variations in the dimensions of the test object on bending testing. The test is carried out using a hydraulic system bending test equipment. The research method used is three-point bending, where the tool in this study is a modified tool from an existing tool. And the test of the S45C steel test material is a one-dimensional variation with three trials, namely with a size of 400x40mm and has a thickness of 5mm while the method used in this test is three-point bending. The test results show that the dimensions of the test object affect the compressive force that occurs during testing. The larger the dimensions tested, the greater the compressive force generated. When performing the bending test, the average value of flexural strength obtained using the three-point bending method for 5mm thick steel is 213.5 Mpa, the second test is 228 Mpa, and the third test is 232.1 Mpa.

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