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Almikanika
Published by Universitas Ibn Khaldun Bogor
ISSN : 26551950     EISSN : 26854872     DOI : https://doi.org/10.32832/almikanika
Core Subject : Education, Engineering,
Education Engineering Industrial & Manufacturing Engineering
Almikanika journal Berisi hasil-hasil penelitian, studi lapangan, pemikiran atau gagasan yang berkaitan dengan Teknik Mesin yang tidak terbatas pada Energi, Mekanika Struktural, Material & Manufacturing, dan Mekatronika.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 115 Documents
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PERANCANGAN SISTEM KONTROL MOBIL MENGGUNAKAN COMPRESSED AIR ENGINE SEBAGAI PENGGERAK MULA Sumadi Sumadi; Setya Permana Sutisna
ALMIKANIKA Vol 1 No 1 (2019): Januari
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v1i1.1565

Abstract

This research is an initial research in the development of cars with compressed air engine drivers. Modifications are made to the engine of 2-stroke motorized vehicles fueled by gasoline. Pressurized actuators using selenoid valves are ordered based on the piston position obtained from the proximity sensor. When the proximity sensor detects the piston is in the TMA position, the selenoid valve is ordered to open so that pressurized air enters the combustion chamber and pushes the piston to move to the TMB and turns back to TMA. The selenoid valve will close again when the proximity sensor detects that the piston is moving from TMA to TMB. Pressurized air is given to move the piston to produce a spin on the wheel. Air pressure is given at 0.92 bar to 2.36 bar resulting in a maximum rotating speed of 1035 rpm, torque of 1.33 Nm, and maximum power of 0.71 kW based on the results of static testing. This research will continue to be developed to optimize the torque and power produced so that cars driven by compressed air engines can be produced.
PENGAPLIKASIAN ACCELEROMETER SEBAGAI FEEDBACK PADA ARM ROBOT 5 DOF (DEGREE OF FREEDOM) Setya Permana Sutisna; Erwin Maulana; Anton Royanto Ahmad
ALMIKANIKA Vol 1 No 1 (2019): Januari
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v1i1.2005

Abstract

The automatic control system also able to implement using arm robot concept. In this research, 5 DOF (Degree of Freedom) arm robot control system using the close – loop control methode with the MPU 6050 Sensor which integrates the rotation of MG995 motor servo as feedback.Control of this robot using android – based aplication, the app send data of rotate angle for each servo motor which will rotate to a certain angle, afterward the data received by HC – 05 Bluetooth and the arduino UNO R3 process its data. Arduino UNO R3 microcontroller can control every rotation of each servo motor that integrated with an MPU6050 sensor with serial monitor communication to display the rotation of each servo motor. The test results obtained by the standard deviation value shows how large the sample diversity is. The result of this research show standard deviation correlation with the number of sample diversity. The higher standard deviation value will indicate more sample data spread (data diverse or varies), otherwise smaller standard deviation value will indicate homogenous sample data, and if standard deviation equals to zero it indicates sample has identical data. The highest standard deviation value from servo motor 1 is 5.20, servo motor 2 and 3 are 1.00, servo motor 4 is 2.89, and servo motor 5 is 2.9.
PERANCANGAN GRIPPER PADA LENGAN ROBOT PEMINDAH BAHAN TIPE CARTESIAN COORDINATE Muhammad Iqbal Atmaja; Budi Hartono; Roy Waluyo
ALMIKANIKA Vol 1 No 1 (2019): Januari
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v1i1.2007

Abstract

Based on Survey result from International Federation of Robotics (IFR) published a study of robots in the world. In this analysis, the institution summarized the results of the Growth of Industrial Robots around the world in the period 2003 - 2004, on average each year it increased by around 6% to 1,000,000 robots used to assist industrial processes. Gripper Arm Robot uses a robotic manipulator as an end effector. Previously there were people who made but different types. Arm Robot Gripper 5 DOF (Degree Of Freedom) has a main part, namely frame construction using Aluminum 1060, the drive system with MG 995 Servo with 10 Kgcm of torque needed to grip objects with a mass variation of 1000 grams, 600 grams and 300 grams on Gripper Arm Robot 5 DOF gets torque of 6.96 kgcm, 3.5 kgcm and 2 kgcm. Arm DO 5 Robot Gripper has style analysis, from force analysis can be found the stress on the rod is 0.546 ???????????? in the normal force of 8.19 N. From all the construction and driving systems there is a Robot Arm DOF 5 Grip can be concluded safe to use until the maximum load amounting to 1000 grams.
RANCANG BANGUN 4 DOF (DEGREE OF FREEDOM) UNDERWATER REMOTELY OPERATED VEHICLE (ROV) Yoki Rachmansyah; Mamat Rahmat; Anton Royanto Ahmad; Aisyah Iadha Nuraini
ALMIKANIKA Vol 1 No 1 (2019): Januari
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v1i1.2008

Abstract

In this research, the underwater robot designed is a type of mini Remotely Operated Vehicle (ROV) based on the Arduino Uno Atmega 328A microcontroller. This research was aimed to make a robot underwater or ROV and test its performance in water. This research was conducted to determine the system of tightness in the ROV by using a body that was used as a cover for each component in the ROV and tested its movement in the water. The design of mini ROVs is integrated in several design processes, namely planning the calculation of each component selection used by ROV, designing mechanical construction, designing electronic construction, and making integration of the entire design process. The results of this integration are in the form of a physical form of mini ROV, electronic systems, and graphical interface programs. The designed robot is an underwater robot that can move in water with the X, Y and Z axes. The ROV robot is made with a total dimension of 38 cm in length, 21 cm in width, and 22 cm in height. The body of the ROV is made using a base material from a PVC pipe that each gap is lined with a seal so that the ROV can be maintained properly. In the ROV movement system, use 2 propeller leaves to go forward and backward and 2 propeller leaves to drown or raise the ROV.
ANALISA SISTEM RODA GIGI DIFERENSIAL PENGGERAK RODA BELAKANG KENDARAAN MOBIL LISTRIK (IKSA) Tri Agung Pambudi; Gatot Eka Pramono; Dwi Yuliaji
ALMIKANIKA Vol 1 No 1 (2019): Januari
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v1i1.2009

Abstract

Differential gears are one of the round transmission systems on cars, where the electric motor is the main activator of the electric car that has been integrated with the differential gear so the rotation of the electric motor is directly transmitted to the rear activator differential gear. In this study, an electric motor uses a 2200 W DC 60 v brushless motor, BLDC, motor, BM1424HQF-14A motor type. The maximum torque in the final gear is 600 Nm. This study focused on calculating the ratio of differential gears, tangential forces that occur on gears, calculation of gear torque. From the results and discussion on the calculation of the maximum torque in the final gear of 600 Nm, the maximum torque results in the pinion gear are obtained. When the pinion gear speed is at 1 rpm, the torque force generated is as large as it can be stated that the gears are safe to use with a motor power of 2.2 kW.
ANALISIS KINERJA EVAPORATOR PADA SISTEM ORGANIC RANKINE CYCLE KAPASITAS 500KW Wahidin Wahidin; Yogi Sirodz Gaos; Irvan Wiradinata
ALMIKANIKA Vol 1 No 1 (2019): Januari
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v1i1.2010

Abstract

This research is observes an evaporator performance in the Organic Rankine Cycle (ORC) 500 kW power plant. The purpose of this research is to analyse the efficiency and performance the evaporator. The working fluid used in this ORC system is n-pentane (C5H12). Several parameters which were taken into consideration during the thermal calculation are: Thermodynamic; Properties of working fluid based on Refrop; and the ORC’s efficiency. Moreover, this research used Heat Transfer Research Inc (HTRI) in order to compare manual and software-based calculation. This calculation shows that 8,64 percent overdesign deviation (1741 tube by manual calculation while 1782 by software-base calculation). Data obtained for this research shows that the hot water circulation in the tube side has a mass flow of 28.828 kg/s, an inlet temperature of 164.99 C , an outlet temperature of 134.99 C . Meanwhile, in the shell side (n-pentane) has an inlet temperature of 91.61 C , an outlet temperature of 140.43 C and a mass flow 10.213 kg/s. The results show that the evaporator has an efficiency of 66.5 percent, Q hot water ( = 3632 kW, latent heat and sensible heat = 3886.95 kW.
PROSES PEMBUAATAN SUSPENSI SADEL SEPEDA MMENGGUNAKAN MATERIAL PEGAS DAUN AISI 4140 Egi Hermawan; Budi Hartono; Dwi Yuliaji
ALMIKANIKA Vol 2 No 1 (2020): Januari
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v2i1.2057

Abstract

Penelitian ini mempelajari karakteristik suspensi sadel sepeda jalan baja karbon rendah. Analisis sifat tekuk baja, nilai kekerasan, dan struktur mikro dengan menghadirkan proses annealing pada suhu 800oC. Berdasarkan hasil penelitian, pegas daun tanpa proses annealing diagonal 50 mm mengalami patah ketika pegas bengkok, pada gaya 546,28 kgf. Pada saat pegas daun tanpa proses annealing pegas daun rentan terhadap fraktur karena terdapat fase ferit dan fase perlite di mana pada sifat ini lebih banyak ferit terbentuk, bahan semakin lunak dan liat. Pengujian pegas daun yang telah dipasang di sadel sepeda jalan dengan diameter lekukan 50 mm dan diberi beban 75 kg mengalami defleksi dan menyebabkan tidak kembali ke posisi awal dibandingkan dengan pegas daun diameter lekukan 70 mm dan diberi beban 75 kg di mana diameter lekukan adalah 70 mm ketika diberi beban pegas dari lekukan 70 mm kembali ke posisi awal ketika pegas diberi beban.
DESAIN KONSTRUKSI ALAT PENDINGIN PORTABEL DI SEPEDA MOTOR Yusuf Sopian; Mamat Rahmat; Sutoyo Edi
ALMIKANIKA Vol 3 No 1 (2021): Januari
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v3i1.2220

Abstract

The number of motorbike riders who modify their motorbikes uses a box, giving rise to the idea of modifying the box as a beverage cooler box. Modification of the box into a beverage cooler box affects the structure of the box, so it requires a bracket that matches the box. This study aims to determine the bracket strength when receiving loads 65.70 N. Obtain the value of the comparison of structural strength between theoretical calculations and CAD software simulation. Research methodology in this research method, researchers use quantitative methods. The things done in this research methodology, designing the design of a tool using CAD software, making a construction design, calculating the strength of the main part of the bracket when given a load are then theoretically compared with the strength of the material when given a load in simulation. The results of this study are known, the force that occurs in the main part of the bracket is 65.70 N. The calculation is theoretical approach deflection value on the main part of the bracket is 0.017 mm, bending moment in the main part of the bracket is 1.971 N / m, and voltage value bending on the main part of the bracket is 3.89 MPa, while the safety factor according to theoretical calculations is 2.72 simulation results using CAD software, namely inventor 2016 by using simulation stress analysis, the load that occurs in the main bracket is 65.70 N, displacement simulation results the maximum value is located at 0.0014 mm and the minimum value is at 0 mm, the maximum value and maximum voltage location (Von Misses) is at 7.146 Mpa and the minimum number is 0 MPa, while the Safety Factor is at a maximum of 15.
ANALISIS KINERJA ALAT PENUKAR KALOR TIPE SHELL AND TUBE ARAH ALIRAN CROSS FLOW UNTUK PEMBANGKIT LISTRIK TENAGA ORGANIC RANKINE CYCLE KAPASITAS 500 KW Acep Jamaludin; Yogi Sirodz Gaos; Aisyah Iadha Nuraini
ALMIKANIKA Vol 3 No 4 (2021): Oktober
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v3i4.2234

Abstract

Sumber energi panas bumi di Indonesia dapat dimanfaatkan untuk pembangkit listrik. Oleh karena itu dibuatlah siklus Organic Rankine Cycle (ORC) pada alat penukar kalor tipe shell and tube dengan aliran crossflow. Pada proses penukaran kalor akan dipelajari koefisien perpindahan panas menyeluruh, beda suhu rata-rata, dan NTU-Efektifitas dengan menggunakan metode LMTD (Logarithmic Mean Temperature Difference) dan  NTU (Number of  heat Transfer Unit). Dari hasil perhitungan dan analisis, perpindahan panas yang dihasilkan sebesar 335,22 kJ/s pada ?Th 2 0C, LMTD 9,64 0C, koefisien perpindahan panas 50,25 kW/m2 0C, dan NTU-efektivitas 2,8 dan 0,83 sehingga dapat disimpulkan semakin besar perbedaan suhu masuk dan keluar maka semakin besar juga perpindahan panas. LMTD dipengaruhi besar kecilnya faktor koreksi dan suhu masuk atau keluar pada shell and tube,oleh karena itu semakin besar LMTD yang dihasilkan. Untuk NTU-efektivitas, semakin kecil perbedaan antara qaktual dan qmaks, semakin besar nilai efektivitas yang dihasilkan. Hal ini berbeda dengan NTU yang mana semakin besar perbedaan antara efektivitas dan kapasitas (C) atau ?c.Cpc/ ?h.Cph maka semakin besar juga nilai NTU yang dihasilkan.
ANALISIS PERBANDINGAN JUMLAH THERMOELECTRIC GENERATOR MENGGUNAKAN RANGKAIAN SERI DAN PARALEL Irwan Ardiansyah; Rudi Irawan
ALMIKANIKA Vol 1 No 2 (2019): April
Publisher : UNIVERSITAS IBN KHALDUN BOGOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/almikanika.v1i2.2350

Abstract

Elemen peltier merupakan alat thermoelectric yang di dalamnya terdapat bahan semi konduktor. Thermoelectric merupakan alat yang mempunyai dwifungsi/2 fungsi penggunaan, yaitu sebagai pebangkit energi listik (TEG) dan sebaga penghasil dingin (TEC). Dan dari hasil pembelajaran tersebut penulis ingin mengaplikasikannya Pengaplikasiannya salah satunya dengan mendesain mini generator 12V  dengan menggunkan energi panas dari hasil pembakaran atau kompor biomasa. Hal ini nantinya akan bermanfaat untuk digunakan di daerah–daerah atau di pegunungan yang belum teraliri listrik.

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