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Pribadi Mumpuni Adhi
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INDONESIA
Jurnal Mekanik Terapan
Published by Politeknik Negeri Jakarta
ISSN : -     EISSN : 27471381     DOI : -
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Mekanik Terapan (JMT) adalah jurnal ilmiah yang terbit secara berkala dua kali setahun pada bulan Mei dan Oktober. Jurnal ini dapat digunakan sebagai sumber informasi ilmiah untuk peneliti, akademisi atau lembaga penelitian, insinyur industri, dan lembaga pemerintah. JMT memuat informasi bidang riset Mekanik Terapan berupa hasil riset dan Ulasan Ilmiah pada bidang: -Teknik Mesin dan Manufaktur -Energi (Konversi Energi, Renewable Energy, Applied Chemistry in Energy) -Mekatronika dan Robotika -Otomotif (Alat Berat dan Kendaraan Ringan) -Material dan Metalurgi -Teknik Pembangkit Tenaga Listrik
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 5 Documents
 1 
Search results for , issue "Vol 4 No 1 (2023): April 2023" : 5 Documents clear
Analisis Pengaruh Sistem Pengapian CDI Standar Dan Modifikasi Pada Motor Vario 110 CC Irwan Suriaman; Robi A. Nurikhsan; Nefli Yusuf; T.B.U. Adi Subekhi; Choirul Anwar
Jurnal Mekanik Terapan Vol 4 No 1 (2023): April 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v4i1.5606

Abstract

Currently the use of motorcycles is increasing from year to year in Indonesia. The need for bicycles is increasingly important because its means of transportation, to make easier for users to carry out their daily activities. The existence of motorbikes in Indonesia is very important because they have several factors, namely having great power and fuel economy. Besides that, modifying motorbikes is one of the hobbies of Indonesian people with one of the reasons being the condition of the track in Indonesia. Modifying motorbikes is done by adding parts or changing the original components to get maximum results. Therefore, based on these problems, this research was conducted to test the performance of the vario motor for standard and modified CDI ignition systems. This test uses 2 types of fuel, namely pertalite and Pertamax. The measurement results from this study are using a dynamometer to measure various variations of engine speed to obtain motor power and torque. Based on research data, it was found that CDI modifications 1 and 2 with pertalite and Pertamax fuel had an influence on engine performance. Then for better results, namely the modification 2 CDI test with Pertamax fuel with the maximum power produced, namely 7.7 HP and 8.6 Nm of torque.
Perancangan dan Pembuatan JIG FOG Lamp Mobil Dengan Material Aluminium Rizki Aulia Nanda; Karyadi Karyadi; Fathan Mubina Dewadi; Muhammad Nuzan Rizki
Jurnal Mekanik Terapan Vol 4 No 1 (2023): April 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v4i1.5609

Abstract

Car Fog Lamp is a safety feature whose function makes it easier for the driver to keep shining in bad weather conditions. Fog Lamp itself is a weather lamp that is produced to penetrate fog and illuminate the road ahead, with this need, the company developed a jig for fog lights on cars, Jig is basically a tool used in the machining process to make more accurate copies of production parts. The purpose of this research is to make a small industrial-scale jig for car fog lamps. The method used to make the jig starts with determining the size of the fog lamp, the design process, design input to the CNC, running CNC, and jig results. The results of this study began by displaying the design results with dimensions of 396 x 140 x 45 (p x l x h (mm)) with a hole diameter of 75 mm at a depth of 40 mm. The test was carried out using 10 specimens with successful results according to design 7 and failure 3. Then the success rate for making car jigs is 70%. Failure in the manufacture of jigs, namely defects in the results of CNC milling and oval shape due to fatigue in the tool.
Analisa dan Perbaikan Kerusakan Cutter Mesin Milling F4.04 Asep apriana
Jurnal Mekanik Terapan Vol 4 No 1 (2023): April 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v4i1.5754

Abstract

Failure studies on the F4.04 milling machine cutter that frequently occur in the manufacturing industry have been conducted using applied failure analysis and repair methods. This study aims to analyze the damage to the F4.04 milling machine cutter and carry out repairs according to existing standards. The analysis of the root causes of damage and appropriate repairs is expected to enhance efficiency, productivity, and reduce production costs in the manufacturing industry. This analysis describes the results of visual observations of damage to the cutter in the form of fractures at the edges and surface wear. Fractures at the cutter edges appear irregularly, caused by excessive cutting loads. Excessive cutting loads result from improper feed speeds and excessive cutting depths. Process instability also contributes to cutter damage. Excessive vibration in the milling machine generates impacts or collisions that damage the cutter and accelerate wear. Excessive cutting loads and cutting instability are initiated by damage to bearing components and the use of non-standard V-belt sizes. This study provides a better understanding of the types of cutter damage and influencing factors, which can be utilized to enhance cutting efficiency and cutter lifespan. It is expected that this study will contribute to identifying the exact causes of damage and designing appropriate repairs, thereby improving production quality, and reducing the risk of damage to F4.04 milling machines in the future.
Prototipe Penahan Banjir dengan Menggunakan Material Daur Ulang (PET) Mirwan Nabil; Syarir Akram Bin Jamaluddin
Jurnal Mekanik Terapan Vol 4 No 1 (2023): April 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v4i1.5790

Abstract

Failure studies on the F4.04 milling machine cutter that frequently occur in the manufacturing industry have been conducted using applied failure analysis and repair methods. This study aims to analyze the damage to the F4.04 milling machine cutter and carry out repairs according to existing standards. The analysis of the root causes of damage and appropriate repairs is expected to enhance efficiency, productivity, and reduce production costs in the manufacturing industry. This analysis describes the results of visual observations of damage to the cutter in the form of fractures at the edges and surface wear. Fractures at the cutter edges appear irregularly, caused by excessive cutting loads. Excessive cutting loads result from improper feed speeds and excessive cutting depths. Process instability also contributes to cutter damage. Excessive vibration in the milling machine generates impacts or collisions that damage the cutter and accelerate wear. Excessive cutting loads and cutting instability are initiated by damage to bearing components and the use of non-standard V-belt sizes. This study provides a better understanding of the types of cutter damage and influencing factors, which can be utilized to enhance cutting efficiency and cutter lifespan. It is expected that this study will contribute to identifying the exact causes of damage and designing appropriate repairs, thereby improving production quality, and reducing the risk of damage to F4.04 milling machines in the future.
Modifikasi Sistem Penggerak Belt Conveyor T92-BC1 Nur Citra Wahyudianti; Dewin Purnama; Rochsigit Nugroho
Jurnal Mekanik Terapan Vol 4 No 1 (2023): April 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v4i1.5791

Abstract

Belt conveyor is one of the transportation media used to move material in the form of units or bulk spills from one operating system to another. At PT Solusi Bangun Indonesia, one of the belt conveyor is used to alternately transport two types of materials, namely fly ash & bottom ash (FABA) and silica. It causes inconsistent bin filling when the consumption of silica and FABA materials is high at the same time. In addition, problems with the FABA belt conveyor drive system often occur, such as tripping motors, broken chains, and worn sprockets, causing FABA transport to be disrupted. Therefore, it is necessary to modify the belt conveyor drive system so that FABA transport becomes smoother. The methode begins with collecting data in the field or information from supervisors, field studies, carrying out the design process to evaluating the results. The modifications made were by replacing the gearmotor with a power of 11 kW with a rotational output 24 rpm, changing the transmission system from chain-sprocket to a coupling, and increasing the diameter of the head pulley from 478 mm to 560 mm to increase the belt conveyor transport capacity to 125 tons per hour.

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