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All Journal IJoASER (International Journal on Advanced Science, Education, and Religion) Mekanika: Majalah Ilmiah Mekanika V-MAC (Virtual of Mechanical Engineering Article) International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Jurnal Al-Qiyam Jurnal Tana Mana Logic : Jurnal Rancang Bangun Dan Teknologi
Rilis Eka Perkasa
Politeknik Negeri Malang
Religion Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences

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Design and Simulation of CNC Milling Machine on Matlab Gumono Gumono; Mira Mira; Samsul Hadi; Rilis Eka Perkasa
International Journal on Advanced Science, Education, and Religion Vol 4 No 3 (2021): IJoASER (International Journal on Advanced Science, Education)
Publisher : Sekolah Tinggi Agama Islam Al-Furqan, Makassar - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (335.535 KB) | DOI: 10.33648/ijoaser.v4i3.156

Abstract

The development and revision of milling machines and components are continuous. With the help of computer technology, we can simulate some activities in a manufacturing system. The main purpose of a simulation is to understand and imitate the behavior of a particular manufacturing system on a computer, before hardware creation, thereby reducing the amount of testing and experimentation in the field. By using a virtual system, less material is wasted and the constraints on the actual operation of the machine in the field can be minimized. In the field of milling machinery, various modeling and simulation methods have been introduced so far. Today, the manufacture of a machine tool can no longer use the time-consuming and costly manufacturing and testing of physical prototypes to detect weak points and then optimize the design. In contrast, the current machine tool design process uses "virtual prototyping" technology to reduce the cost and time of hardware testing and iterative improvements to physical prototypes. The model of a milling machine can be simulated in Matlab simulations through analytical methods using various compositions. The presented virtual modeling methods and milling machine tool simulations make it possible to design, perform complex analyses, test, optimize, and use various types of control structures. in the computer simulation. Keywords: Milling Machine, CNC Miling Machine, Matlab
Design and Simulation of CNC Milling Machine on Matlab Gumono Gumono; Mira Mira; Samsul Hadi; Rilis Eka Perkasa
International Journal on Advanced Science, Education, and Religion Vol 4 No 3 (2021): IJoASER (International Journal on Advanced Science, Education)
Publisher : Sekolah Tinggi Agama Islam Al-Furqan, Makassar - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (335.535 KB) | DOI: 10.33648/ijoaser.v4i3.156

Abstract

The development and revision of milling machines and components are continuous. With the help of computer technology, we can simulate some activities in a manufacturing system. The main purpose of a simulation is to understand and imitate the behavior of a particular manufacturing system on a computer, before hardware creation, thereby reducing the amount of testing and experimentation in the field. By using a virtual system, less material is wasted and the constraints on the actual operation of the machine in the field can be minimized. In the field of milling machinery, various modeling and simulation methods have been introduced so far. Today, the manufacture of a machine tool can no longer use the time-consuming and costly manufacturing and testing of physical prototypes to detect weak points and then optimize the design. In contrast, the current machine tool design process uses "virtual prototyping" technology to reduce the cost and time of hardware testing and iterative improvements to physical prototypes. The model of a milling machine can be simulated in Matlab simulations through analytical methods using various compositions. The presented virtual modeling methods and milling machine tool simulations make it possible to design, perform complex analyses, test, optimize, and use various types of control structures. in the computer simulation. Keywords: Milling Machine, CNC Miling Machine, Matlab
Design and Simulation of CNC Milling Machine on Matlab Gumono Gumono; Mira Mira; Samsul Hadi; Rilis Eka Perkasa
International Journal on Advanced Science, Education, and Religion Vol 4 No 3 (2021): IJoASER (International Journal on Advanced Science, Education)
Publisher : Sekolah Tinggi Agama Islam Al-Furqan, Makassar - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33648/ijoaser.v4i3.156

Abstract

The development and revision of milling machines and components are continuous. With the help of computer technology, we can simulate some activities in a manufacturing system. The main purpose of a simulation is to understand and imitate the behavior of a particular manufacturing system on a computer, before hardware creation, thereby reducing the amount of testing and experimentation in the field. By using a virtual system, less material is wasted and the constraints on the actual operation of the machine in the field can be minimized. In the field of milling machinery, various modeling and simulation methods have been introduced so far. Today, the manufacture of a machine tool can no longer use the time-consuming and costly manufacturing and testing of physical prototypes to detect weak points and then optimize the design. In contrast, the current machine tool design process uses "virtual prototyping" technology to reduce the cost and time of hardware testing and iterative improvements to physical prototypes. The model of a milling machine can be simulated in Matlab simulations through analytical methods using various compositions. The presented virtual modeling methods and milling machine tool simulations make it possible to design, perform complex analyses, test, optimize, and use various types of control structures. in the computer simulation. Keywords: Milling Machine, CNC Miling Machine, Matlab
Lunch Box Innovation Product Design In The Millennial Era Bayu Pranoto; Hilmi Iman Firmansyah; Hangga Wicaksono; Muhammad Fakhruddin; Rilis Eka Perkasa
Mekanika: Majalah Ilmiah Mekanika Vol 20, No 2 (2021): MEKANIKA: Majalah Ilmiah Mekanika
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/mekanika.v20i2.52100

Abstract

Almost of kids in the world still bring a lunch box and a bottle of water in their bag when their go to school. His mother always prepares a lunch box complete with a bottle of drinking water, hoping that his son can enjoy his favorite lunch and avoid starvation. Sometimes the mother is very worried when the lunch box has been brought by the child but the water bottle is left behind. Then the mother was willing to take her child's water bottle to her school. This is certainly not expected by either the mother or the child. As a form of concern for the author to this problem, the author proposes a lunch box design with a lunch box lid that also functions as a drinking water bottle. The idea of this design proposal is ones grab, both are food & drink in your hand. The goal is how to make a kids can grab their food and drink easily and practice. So it is proposed to modify a top cover of common foodpack to become a drink bag. The design process begins with analyzing market needs, making sketches, creating 3D design models using the Autodesk Inventor CAD application, material selection, and product evaluation.
Prototype Design of E-BMX 2000 Watt Electric Motorcycle Utsman Syah Amrullah; Rilis Eka Perkasa; Muhammad Fakhruddin
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 1 (2023): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i1.55-61

Abstract

Limited supplies of fossil fuels such as gasoline, diesel and LPG resulting in vehicles that use internal combustion would be abandoned and replaced by electric vehicles. There have been many coverages that have reviewed the advantages of electric vehicles, where the advantages of electric vehicles include simple mechanical components, relatively low pollution, low noise levels, and could become a solution for future vehicles for an environmentally friendly life. This study aims to design and build a motorcycle prototype, a work which includes the design and manufacture of a BMX type motorcycle frame powered by a 2000 watt BLDC motor power, and testing the performance of the prototype using dynotest and compared to conventional motorcycles to compare the performance characteristics of both motorcycle. The frame is designed using Solidworks, then manufactured by cutting, bending, drilling, welding, and painting process. Mechanical components include frames that use mild steel pipes with diameter of 1.5 inches and thickness of 1.2 mm. Other mechanical components use components available on the market, such as headsets, front forks, disc brakes, hydraulic caliper brakes, and wheel assemblies. The electrical components used are 48V 2000-watt QS Motor, 60V 15 Ah Lithium battery, Yuyangking 80A controller and electric gas throttle with voltage indicator. The results of the dynotest show that the maximum torque reaches 204 NM (roller) which is achieved at 976 rpm. The maximum speed reaches 69.7 Km/hour. The range of the single-charged battery could cover a distance of 30 km. The characteristic of 2000 Watt E-BMX is very powerful at low revs and stable at high revs, shown by achieving maximum torque at low RPM. To save battery life, it is necessary to limit the remaining voltage, which is done at 55 Volts, so that the battery do not completely run out. It could be concluded that electric motorcycle developed in this study is suitable for use in urban areas (paved tracks or light off-road) with determined mileage and the path travelled, and battery management is needed so the battery does not run out in the middle of a trip.  
MECHANICAL ANISOTROPY OF COLD-ROLLED ST-37 STEEL PLATE UNDER HIGH STRAIN RATES LOADINGS Rilis Eka Perkasa; Leonardo Gunawan; Sigit Puji Santosa; Afdhal Afdhal
International Journal of Mechanical Engineering Technologies and Applications Vol. 4 No. 2 (2023)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2023.004.02.9

Abstract

Cold rolling process in metal could increase its strength and hardness, but also induces mechanical anisotropy. This is caused by unresolved plastic strain and microstructural changes caused by plastic deformation exerted by pair of rolls at a relatively low temperature. This research aims to provide understandings on anisotropic and strain rate sensitive behaviour of St-37 mild steel. The microstructure of rolled and unrolled St-37 plate were observed in 3 directions relative to the rolling direction. The cylindrical specimens were then prepared from rolled plate with 33.3% reduction in the orientation of 0o, 45o, and 90o relative to the rolling direction. Specimens were also prepared from unrolled plate as comparison in the same directions. These specimens were then tested in compression loading, first in quasi-static condition, and then by using Split-Hopkinson Pressure Bar (SHPB) at the strain rate of 1200 s-1. The experimental results in the form of stress-strain curves are used to obtain the parameters of Simplified Johnson-Cook viscoplastic model. The anisotropy of yield strength in rolled specimens could be seen on both quasi-static and high strain rate condition, where the highest strength found on the specimens perpendicular to the rolling direction. In addition, the effect of cold rolling to the strain rate sensitivity of the material were also captured successfully in this study, where specimens from rolled plate show less strain rate sensitivity compared to the unrolled specimens.
Analisis Pengaruh Penambahan Stiffener terhadap Nilai Tegangan dan Defleksi pada Rangka Sepeda Motor Listrik dengan Metode Elemen Hingga Rilis Eka Perkasa; Utsman Syah Amrullah; Bayu Pranoto; Chandra Gunawan
Virtual of Mechanical Engineering Article Vol 8 No 1 (2023): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v8i1.2729

Abstract

Saat ini, sepeda motor listrik telah banyak dijadikan sebagai pilihan moda transportasi alternatif karena sepeda motor listrik memiliki beberapa kelebihan, salah satunya menghasilkan tingkat polusi yang rendah. Salah satu bagian utama dari sepeda motor listrik adalah rangka, yang berfungsi sebagai penyangga beban utama dari sepeda motor listrik dan dudukan dari berbagai komponen lain. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan komponen stiffener pada rangka menggunakan simulasi metode elemen hingga. Terdapat dua jenis rancangan yang disimulasikan, yaitu rangka dengan penambahan stiffener dan rangka tanpa stiffener sebagai pembanding. Kedua rancangan rangka dibuat dengan menggunakan profil persegi dengan ketebalan 2.2 mm dari bahan baja ASTM A36. Jenis simulasi yang dipilih adalah simulasi pembebanan statis dengan beban yang terdiri dari beban penumpang serta beban komponen baterai dan sistem kontrol. Parameter yang hendak diperoleh dari simulasi antara lain tegangan von mises, defleksi total rangka, dan nilai safety factor. Hasil simulasi menunjukkan bahwa rancangan rangka dengan penambahan stiffener mengalami tegangan von mises maksimum sebesar 74.67 MPa, defleksi total maksimum sebesar 0.06692 mm, dan safety factor minimum sebesar 3.348. Sementara itu, rancangan tanpa penambahan stiffener mengalami tegangan von mises maksimum sebesar 110.3 MPa, defleksi total maksimum sebesar 0.5209 mm, serta nilai safety factor minimum sebesar 2.266.
Co-Authors Afdhal Afdhal Amrullah, Utsman Syah Bayu Pranoto Bayu Pranoto Chandra Gunawan Gumono Hadi Samsul Hangga Wicaksono Hilmi Iman Firmansyah Leonardo Gunawan Mira Mira Muhammad Fakhruddin Santosa, Sigit Puji