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All Journal Jurnal Teknik Mesin Rotasi Rekayasa Mesin Semesta Teknika Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Teknik Informatika (JUTIF) Jurnal Media Teknologi METAL : Jurnal Sistem Mekanik dan Termal Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi) TEKNOSIA Teaching English as a Foreign Language Journal ADJES (Ahmad Dahlan Journal of English Studies) Asian Journal of Social and Humanities Jurnal Polimesin Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Dharmakayana: Journal of scientists, engineers, educators and scientific activists related to society development SEMINAR TEKNOLOGI MAJALENGKA (STIMA)
Dedi Suryadi
Universitas Bengkulu
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Journal : Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin

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CONNECTING ROD FAILURE ANALYSIS UNDER MAXIMUM LOADING Suryadi, Dedi
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 3 No. 1 (2019): April 2019
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v3i1.9932

Abstract

Motorcycle is one of the public transportation consisting of several components. One of the main components is connecting rod, that is a connector part between the piston and crankshaft. Connecting rod is often getting damage, such as bent or broken. The damage is as the result of the continuously working connecting rod that caused a fatigue on components. Therefore, strength analysis is needed to be conducted to determine the cause of the damage on the connecting rod. The application of force on the mechanism crank must be considered especially in the analytical calculations and simulations. The object of this research is the connecting rod of motorcycle using AISI 1070 material. The finite elements model is applied on the model by using ANSYS workbench 14.0 software. The boundary conditions are also applied on the big end part is fixed suport, while at the small end is subjected to loads due to the dynamic motion of the system. As the results, maximum stress and safety factor are obtained. The maximum stress is 164.7 MPa and smaller end part with safety factor of 3.01. According to the result, the connecting rod is safe
ANALISA LEVEL GETARAN COOLING WATER PUMP 1 JENIS SENTRIFUGAL Carnegie, Novrian; Suryadi, Dedi; Fitrilina, Fitrilina
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 4 No. 1 (2020): April 2020
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v4i1.13275

Abstract

PLTA Musi merupakan pembangkit listrik tenaga air dengan tipe Run of River (RoR) yang dimana bekerja dengan cara membelokkan sebagian aliran sungai musi untuk dimanfaatkan sebagai energi primer pembangkit. Pada Cooling Water System PLTA Musi terdapat Cooling Water Pump (CWP) yang berfungsi untuk memompakan air dari draft tube ke bagian peralatan yang membutuhkan sistem pendingin pada saat unit dioperasikan. Dalam pengoperasian pompa dapat terjadi berbagai masalah yang menimbulkan kerusakan, salah satunya disebabkan oleh getaran. Analisa getaran merupakan salah satu faktor pendukung untuk meminimalisir terjadinya getaran berlebih pada pompa. Kegiatan predictive maintenance dalam bentuk conditional monitoring vibration atau pemantauan getaran kondisi aktual dilakukan untuk mengetahui gejala kerusakan pada Cooling Water Pump. Pengukuran dilakukan menggunakan alat ukur VibXpert II berdasarkan standar ISO 18016-3 dengan kondisi operasi putaran poros 1486 RPM, daya 90 kW, dan 4 titik pengukuran. Nilai vibrasi tertinggi terdapat pada posisi DE Pompa dengan arah horizontal sebesar 3,71 mm/s. Nilai vibrasi tersebut sudah berada pada area alarm. Hasil analisa spektrum yang didapat pada penelitian diketahui jenis gangguan yang terjadi berupa indikasi kerusakan Mechanical Looseness Tipe B pada titik pengukuran DE Motor dan Mechanical Looseness Tipe C pada titik pengukuran DE Pompa.
RANCANG BANGUN MODEL PINTU GARASI OTOMATIS MENGGUNAKAN SENSOR RFID Budiharjo, Rahmat Satrio; Suryadi, Dedi; Suryono, Ahmad Fauzan
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 4 No. 2 (2020): Oktober 2020
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v4i2.18392

Abstract

The aim of this research is to develop a model of automatic home garage door using RFID sensor. Here, mechanical and control systems were designed. Mechanical systems were used 12V DC motors. Whereas, automatic control systems were carried out using PLC and Arduino UNO microcontrollers. Therefore, the desired speed and time can be controlled. Automatic garage doors worked with a drive system that is the influence of the distance to the distance and time generated during opening and vertical automatic doors. Theresult showed that automatic home garage door has been successfully developed.
Flow Characteristics of Pumps in Series and Parallel Lesmana, Pandu; Nuramal, Agus; Suryadi, Dedi
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 5 No. 2 (2021): Oktober 2021
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v5i2.20173

Abstract

Pump is a device used to move fluid. The pump moved the fluid from a lower pressure place to a place with higher pressure. If the head or pump capacity needed cannot be achieved using only one pump, it can use two pumps or even more which can be arranged either in series or in parallel. The research objective for pumps arranged in series and in parallel is to determine the characteristics of the circuit of two pumps each of which has different characteristics. In this study, data retrieval is done by measuring the pressure on suction and discharge using pressure gauge at pumps 1 and 2. Whereas to measure the flow rate of a pump arranged in series and parallel using a flowmeter installed on the discharge side of the circuit. This research was done by varied the valve openings on the pump discharge side 2 namely. 2x1800, 4x1800, 6x1800, 8x1800 and full openings. From the results of tested the characteristics of the pump used water fluid on the series arrangement, the highest head value at valve opening 2 x 1800 is 30.99 m at discharge 0 LPM and the lowest head at valve opening 10 x 1800 (full) is 23.99 m at discharge 0 LPM. In parallel circuits, the highest head obtained is 16.99 m with 0 LPM discharge at 8 x 1800 valve openings and lowest head 14.99 at 0 LPM discharge occurs at full valve openings.
MODAL ANALISIS PADA ROTARY KILN DENGAN MENGGUNAKAN METODE ELEMEN HINGGA Wahyu Rahmat Hidayat; Dedi Suryadi
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 6 No. 2 (2022): Oktober 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v6i2.25456

Abstract

This research is based on the general damage to the rotary kiln due to continuous use. Then the results from the burned in a Rotary Kiln So we need a prevention to overcome it. Testing the vibration mode on a rotary kiln machine is a solution to overcome the limit on the use of the finite element menthod. With the completion procedure of finite element software with the step of Rotary Kiln Geometry Modeling Process, Rotary Kiln Geometry Import Process, Rotary Kiln Geometry Import Process, Material Data Input Process, Meshing Process, Determination of Boundary Conditions, Running Process, and Port Processing. The results of this study are from the finite element simulation obtained in the form of the frequency value of the natural response of the structure and the deflection due to vibrations that occur in the rotary kiln Indarung IV PT Semen Padang. And it was concluded that the vibration mode experienced by the rotary kiln has a natural frequency value, the vibration mode of the rotary kiln structure obtained a maximum value of 63.3 Hz, while the minimum value obtained a value of 41.805 Hz. The maximum deflection of the rotary kiln is obtained from the analysis results of 0.058981 mm while the minimum deflection value is 0.045 mm.
ANALISIS KERUSAKAN PADA TURBIN DENGAN METODE VIBRATION ANALYSIS Situmorang, Egi Seven; Suryadi, Dedi; Alparisi, Ahmad Salman
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 7 No. 1 (2023): April 2023
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v7i1.30102

Abstract

In the operation of the turbine, various problems can occur which cause damage, one of which is caused by vibration. Vibration analysis is one of the supporting factors to minimize excessive vibrations in the turbine. Predictive maintenance activities in the form of conditional monitoring vibration or vibration monitoring of actual conditions are carried out to determine the symptoms of damage to the turbine. Measurements were carried out using VibeXpert II based on ISO 18016-5 standards with operating conditions of 70 MW turbine load and 500RPM rotation measured on the DE Turbine and NDE Generator. The highest value is in the horizontal DE Turbine 77.04 µm (pk-pk) and 104 µm (pk-pk) on the NDE Generator. This value is already in the acceptable zone to operate in the long term. The results of spectrum analysis that can be identified as the cause of the vibrations that occur are indications of unbalance on the DE Turbine and Overhung on the NDE Generator.
ANALISIS VIBRASI PADA POMPA Panjaitan, Felix Budianto; Suryadi, Dedi; Zuliantoni
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 7 No. 2 (2023): Oktober 2023
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v7i2.34059

Abstract

Vibration analysis is an effective machine maintenance method by analyzing signal characteristics and vibrations so that the condition and condition of the equipment can be identified. PT. The Pertamina International Refinery - Balikpapan is one of the business units of the Pertamina Refinery Directorate whose products are distributed to the eastern part of Indonesia which is 2/3 of the Republic of Indonesia and some products are distributed to the western part of Indonesia and exported. The benefit of the vibration method is to find out damage to the pump early and to avoid more severe damage to the pump. The research method is carried out by periodically monitoring an equipment (pump) with vibration analysis to see the condition of the machine under normal conditions until damage occurs. High vibrations occur at the DE point which is lower than the NDE point. Based on measurements, high vibration occurred at the NDE pump point on January 17, 2023 in the vertical direction – speed of 27,041 mm/s, horizontal direction – speed of 28.21 mm/s, horizontal direction – casing 28,539 mm/s, and axial direction – speed of 26.89mm/s. After analyzing the spectrum, it is known that the cause of high vibration in the pump is caused by bearings that are not working properly. And also because of the Random High Frequency on the spectrum, where the frequency occurs due to damage to the bearings. The overall vibration value in the DE and NDE positions after repair is within the permissible limits based on ISO 10186.
ANALISA ALIGNMENT SHAFT TURBIN GAS Ramadani, Dwi; Suryadi, Dedi; Bismantolo, Putra
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 8 No. 1 (2024): April 2024
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v8i1.36548

Abstract

In the gas turbine system there is a section that functions as a place for combustion between a mixture of air and gas called the combustion section. The components of the alignment of the shaft need to be maintained regularly so that the resulting combustion is good. In the process of the turbine producing electrical energy there are many obstacles that occur which result in a reduction in the productivity of the turbine work, one of the causes is misalignment of the shaft. Misalignment on the shaft can be overcome by carrying out an alignment process which aims to make the shaft return to its initial position so that it is parallel to the other shaft. The alignment process is carried out to get the axial and radial values on the shaft which is then carried out by the adjusting process. The adjusting process is carried out so that the position of the shaft that is out of tolerance returns to the tolerance position and the work of the turbine can return to normal.
“EFFICIENCY ANALYSIS OF 3 DIFFERENT FUEL TOWARDS GASOLINE FUEL MOTORS ON EME 35 ENGINES IN LAPAN SURVELLANCE UAV-02 (LSU-02)” Ramadhan, M. Fajar; Bismantolo, Putra; Suryadi, Dedi; Utama, Agus Bayu
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 8 No. 2 (2024): Oktober 2024
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v8i2.38341

Abstract

This study aims to analyze the efficiency of three different types of fuel on the EME 35 engine on the LSU 02 aircraft. The fuel used is Pertalite, Pertamax, and Pertamax turbo. The method used in this study was an experiment using the LSU 02 aircraft as the research object. The data is taken from measurements of fuel consumption and engine performance on each type of fuel. The analysis is carried out by comparing the efficiency and performance of the engine on each type of fuel used. The results showed that the efficiency and performance of the engine on Pertamax fuel was better than that of Pertamax turbo and Pertalite. Fuel consumption on Pertamax is more efficient than Pertalite and Pertamax turbo, so that Pertamax is more efficient in fuel use. In addition, engines on Pertamax fuel have better performance with greater power and are more stable compared to Pertalite and Pertamax turbo. Therefore, it is recommended to use Pertamax fuel in the EME 35 engine on the LSU 02 aircraft to achieve better efficiency and performance.
Rancang bangun dan analisa trial and eror prosthethic servo power handa Yanalseta, Rifaldi; Suryadi, Dedi; Saputra, Roni Permana
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 9 No. 1 (2025): April 2025
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v9i1.39847

Abstract

Prosthetic hands are designed to help people with disabilities work. This research aims to make a prosthetic hand using a 3D printing machine with a focus on using Solidworks software for model design, Ultimaker Cura software for slicing printing in the form of G-Code, and filler material in the form of PLA filament. The main components used involve a servo motor (MG996), Arduino Uno, and breadboard. This research focuses on making designs using solidworks, using servo motors (MG996), and using PLA filament material. The data collection process is divided into three stages: design creation, G-code creation, and printing, as well as the data collection process which involves trial and error on the prosthetic hand. The results of this research show that although in general all the fingers of the prosthetic hand can move, there are some fingers that experience problems following program commands. Factors such as design, manufacturing defects, hinges, and connecting straps between the servo motor and the finger affect the movement of the prosthetic hand's fingers. Although some fingers can move well, there are also those who experience difficulty in movement.
Co-Authors A Sofwan FA Abidin, Zenal Adhadi Kurniawan Afif Chaniago Bastiar Agus Nuramal Agus Nuramal Agus Suandi Agus Suandi Agus Suandi, Agus Agustian, Indra Ahmad Fauzan Ahmad Fauzan Suryono Ahmad Fauzan Suryono Aji Arya Dewangga Al Ayufhi, Syahlahudhin Alparisi, Ahmad Salman Arie Vatresia Arie Vatresia Astutiningsih, Rini Tri Bismantolo, Putra Bowo Anugrah Budiharjo, Rahmat Satrio Cahyani, Ananda Pramesti Regita Carnegie, Novrian Dani, Admon Daratha, Novalio Dharmayanti , Margaretha Febliansa, Muhammad Rahman Febriyanto, M Reza Firdaus, Hendra Firtrianty Wardhani Fitranita, Vika Fitrilina, Fitrilina Gupta, Neeraj Hade Syamitra Helmizar Hendra Hendra Hendy Santosa Hernadewita, Hernadewita Indra Agustian Indra Agustian Indri Nur Alfi Qodariyah Leonanda, Benny Dwika Lesmana, Pandu M. Rasyid Ridlo M.Hapis Apmarwansahrowi Maimuzar Maimuzar Meilianda, Rifki Meisa, Wistri Muhammad Imam Zuhdi Munadi Munadi Mustagfirin, Alfin Nizam, Ahmad Novalio Daratha Novalio Daratha Novalio Daratha Nurul Iman Supardi Nurul Iman Suparrdi Nuryadi, Rio Arian Syaputra Panjaitan, Felix Budianto Pasandalan, Sittie Noffaisah Pratama, M. Dicky Qodariyah, Indri Nur Alfi Ramadani, Dwi Ramadhan, M. Fajar Roni Permana Saputra Santosa, Hendy Sari, Mariska Intan Satryo Ramadhani Setyawan, Harry Prayoga Situmorang, Egi Seven Syukran Syukran Utama, Agus Bayu Wahyu Rahmat Hidayat Yanalseta, Rifaldi Yanuardi, Endi Yovan Witanto Yuniati Yuniati Yuniati Yuniati Zuhdi, Muhammad Imam Zuliantoni, Zuliantoni