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Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics)

JMEM
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Published by President University

ISSN : 25276212 EISSN : 25412876 DOI : -

Core Subject : Science, Engineering,

Energy Materials Science & Nanotechnology Mechanical Engineering Transportation

Journal of Mechanical Engineering and Mechatronics merupakan jurnal keilmuan bidang teknik mesin dan mechatronics yang memuat tulisan-tulisan ilmiah mengenai penelitian-penelitian murni dan terapan serta ulasan-ulasan umum tentang perkembangan teori, metode dan ilmu-ilmu terapan terkait.

Arjuna Subject : -

Articles 105 Documents

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ANALISA KEGAGALAN MATERIAL SA-210C PADA APLIKASI BOILER STEAM PIPE Andi Rinaldi Hasan
Journal of Mechanical Engineering and Mechatronics Vol 3, No 1 (2018): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

The purpose of this study was to determine the cause of pipe failure in super saturated area boilers. The research method begins with the collection of chronological data on material failure, operating data collection and material sampling. After material sampling is carried out, photos of failed material are subsequently carried out, thickness measurements, hardness testing, metallographic testing and internal pipe pressure calculations. The results showed that the outside of the pipe had erosion corrosion due to a reduction in thickness of the pipe, especially location 1. Thickening was caused by high pressure auxiliary steam bursts from the sootblower equipment which lasted for a long time at the pipe surface, resulting in Fe + O FeO reaction. FeO formed at the beginning will be released due to high-pressure auxiliary steam bursts and at the same time the auxiliary steam burst reacts chemically again to form FeO. Because of the repeated processes, the pipe thickness slowly decreases. As a result of the depletion, the pipe reaches a critical value so it is unable to withstand the pressure from the pipe and eventually fails. The failure factor, supported by some data on boiler water quality and continuous operating pressure from sootblower that affect erosion corrosion. Changes in microstructure also affect the decrease in hardness in the material which can be seen from the size and shape of the grain.

Finite Element Simulation of Acceleration Pedal On XX Vehicle Nanang Ali Sutisna; Aldhito Hardianto
Journal of Mechanical Engineering and Mechatronics Vol 4, No 2 (2019): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

This paper presents the failure analysis of acceleration pedal of xx vehicle. The purpose of this research are to know the cause of failure, types of failure, and approach in searching for the best parameters that yield optimal product quality on product design. This research uses the known test method, where the type of failure and results of analysis compared with the result of expected product reliability. The simulation uses CATIA V5 software involving types of load that applied on product, length, size and dimension of product, and types of material. Simulation result data is used for see the influence and effect of each parameter to the product design, also the types of failure that will affect the product reliability

METODE FADHLI FAME LANER UNTUK ALAT 3D LASER SCANNER Fadhli Umar Lubis
Journal of Mechanical Engineering and Mechatronics Vol 3, No 1 (2018): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

The 3D laser scanner that will be used in this study is a design tool for students of the 2007 Mechanical Engineering Department. This tool has been validated and used in several studies. Improvements to the 3D Laser Scanner tool are still being carried out, especially in the accuracy of the geometry of the 3D model produced and the time required in the processing of the scanning data. The research was conducted with the aim to increase the results obtained from the scanning process in order to have maximum results and have a fast processing time. In the research conducted, there are several differences with the previous method, namely the use of Visual Basic, supporting software, placing the camera and laser and camera settings. Based on the results of the study, the final results of the scan show the size of the test object has a smaller deviation of 8.12% for height, 0.8% for width and 19.3% for the neck, compared to previous studies of 61.09% for height, 51.8% for width and 40.75% for neck. For the time of the scanning process, there is a shortening of time that is very far compared to previous research, namely the time needed for 1 minute 56 seconds, while in the previous study it took 1 hour 41 minutes 37 seconds.

PROGRAM EXCELLENCE SOLUTION UNTUK MENURUNKAN WAKTU PENGERJAAN REMANUFACTURING UNIT KOMATSU PC2000-8 DI PT UT SITE KALIMANTAN SELATAN Vuko A.T. Manurung; Lukyawan Pama Deprian; Yohanes Tri Joko Wibowo
Journal of Mechanical Engineering and Mechatronics Vol 4, No 2 (2019): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

With the passage of time the heavy equipment unit will experience a decrease. In order to return the unit to its initial performance, the Reman manufacturing process is abbreviated as Reman. Reman is an activity carried out to keep heavy equipment units close to performance when first created.PT UT site Adaro is trusted by its customers to do Reman specifically for Komatsu PC 2000-8 type excavators. In the implementation there was a delay in the implementation of the work process to 80 days. Therefore, a program was created to reduce the total leadtime to 45 days or down by 44%.

A Colour Perception Detection Model Based on The Spectral Characterictics Irwan anto Mina
Journal of Mechanical Engineering and Mechatronics Vol 4, No 2 (2019): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Information needs for one's color perception are needed in the fields of medicine, engineering, astronomy, biomedicine and so on. The demand for accurate assessment of color perception must be met by the perception detection tool used. Ishihara's test, as a perception detection tool that is still used today has insufficient accuracy. This research aims to create a system that can detect a shift in one's color perception, relative to the average color perception of a number of respondents. Through plotting the respondents' perception points, in the CIE coordinate system (Commission International de I'Eclairage) XYZ can be calculated the average euclidean distance, ED, relative to the reference point and the distribution of x and y groups of perception points around the point of reference. Both size, euclidean distance and distribution are used as indicators of average color perception so that an assessment of one's color perception is given based on the results of comparison between color perception points and color perception indicators. The tool used to do the test is Delphi version 7.0 software. the research material used is the RGB (Red, Green, Blue) color image format. The results of a person's color perception study are divided into three levels, namely: (1) "normal" assessment if euclidean (ED) perceptions are smaller than the euclidean (ED) average (2) the "somewhat normal" assessment if the distribution of x and y is smaller rather than the color of perception and the distribution of x and y (3) the assessment is "abnormal" if the color of perception is greater than the max distribution of x and y. A new perception point assessment that is in level one is used to up-date prevailing perception indicators. Up-dating condition constraints affect the quality of the threshold average perception specifically and the quality of the results of the perception detection system in general.

THE STUDY OF THE PHYSICAL AND MECHANICAL PROPERTIES OF MATERIALS RAILROADS Didik Sugiyanto; Besus Dwi Putranto
Journal of Mechanical Engineering and Mechatronics Vol 1, No 01 (2016): Journal of Mechanical Engineering and Mechatronics
Publisher : President University

Abstract. This research is to determine the quality of the railway. As the object of research in this occasion was the train tracks acquired from the workshop of PT. Kereta Api Indonesia. As for the quality evaluation performed include hardness testing, testing of composition, tensile test and microstructure observation. After the base material subjected to the preliminary work, such as the manufacture of test specimens, prepared and then the specimens tested with testing tools for testing the hardness, chemical composition testing, tensile testing and testing microstructure. From the test results obtained with the price average hardness of the railroad is 281.7 HVN. The price of the average composition of the railroads alone amounted to 588.4%, while the average tensile strength of the railroad tracks of 0.04 N/mm², micro structure photograph taken with magnification 100x and 200x. From the test results note that the railroads have high ductility and toughness.Keywords. Physical, Mechanical, Railways, Microstructure

Klasifikasi Penyakit Mata Katarak berdasarkan Kelainan Patologis dengan menggunakan Algoritma Learning Vector Quantization Rudi Hariyanto; Achmad Basuki; Rini Nur Hasanah
Journal of Mechanical Engineering and Mechatronics Vol 1, No 02 (2016): Journal of Mechanical Engineering and Mechatronics
Publisher : President University

Cataract is one type of eye damage which causes the lens of the eye, nearsightedness which varies according to the level becomes blindness. Cataract eye disease is eating slowly, little by little without the pain experienced by patients but if handled too late then lead to permanent blindness. Eyepiece contains 65% water, 35% protein and the rest are minerals. With increasing age, size and mineral density increases. The accuracy of the determination of the type and location of early cataract is very important to prevent the severity of the impact of more severe cataracts. The main procedure of cataract diagnosis (Gold Standard procedure) was performed using computed tomography (CT) scan and Magnetic Resonance Imaging (MRI). Alternative diagnosis can be made through physical examination, laboratory tests, medical history, and other relevant information. The purpose of this paper presents the results of a study on the implementation of the method of Learning Vector Quantization (LVQ) to facilitate the determination of the classification of types of cataract disease and its severity. The results showed that the use LVQ provide the level of accuracy of the determination of the amount of (99%) as well as the duration of training (training) sample of (0.06 seconds).

SISTEM NAVIGASI MOBILE ROBOT DALAM RUANGAN BERBASIS AUTONOMOUS NAVIGATION Dwiky Erlangga; Endang D; Rosalia H S; Sunarto Sunarto; Kuat Rahardjo T.S; Ferrianto G
Journal of Mechanical Engineering and Mechatronics Vol 4, No 2 (2019): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Autonomous navigation is absolutely necessary in mobile-robotic, which consists of four main components, namely: perception, localization, path-planning, and motion-control. Mobile robots create maps of space so that they can carry out commands to move from one place to another using the autonomous-navigation method. Map making using the Simultaneous-Localization-and-Mapping (SLAM) algorithm that processes data from the RGB-D camera sensor and bumper converted to laser-scan and point-cloud is used to obtain perception. While the wheel-encoder and gyroscope are used to obtain odometry data which is used to construct travel maps with the SLAM algorithm, gmapping and performing autonomous navigation. The system consists of three sub-systems, namely: sensors as inputs, single-board computers for processes, and actuators as movers. Autonomous-navigation is regulated through the navigation-stack using the Adaptive-Monte-Carlo-Localization (AMCL) algorithm for localization and global-planning, while the Dynamic-Window-Approach (DWA) algorithm with Robot-Operating-System-(ROS) for local -planning. The results of the test show the system can provide depth-data that is converted to laser-scan, bumper data, and odometry data to single-board-computer-based ROS so that mobile-controlled teleoperating robots from workstations can build 2-dimensional grid maps with total accuracy error rate of 0.987%. By using maps, data from sensors, and odometry the mobile-robot can perform autonomous-navigation consistently and be able to do path-replanning, avoid static obstacles and continue to do localization to reach the destination point.

ANALISIS KESEHATAN DAN KESELAMATAN KERJA (K3) DENGAN METODE HAZARD AND OPERABILITY STUDY (HAZOP) Choirul Anwar; Willy Tambunan; Suwardana Gunawan
Journal of Mechanical Engineering and Mechatronics Vol 4, No 2 (2019): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

In the current industrial era a lot of progress from machine technology or methods used by companies in their production systems. So that the system of production and productivity in the company takes place effectively, safely, and efficiently. One way to achieve this is by paying attention to the occupational health and safety (K3) of the employees in the company. The identification of work accidents used in this study uses the Hazard and Operability Study (HAZOP) method. In the work system in the PDAM there is work that is vulnerable to work accidents such as in the field of maintenance or maintenance on machinery, water treatment production systems, and work carried out in the workshop. From the results of field observations at the PDAM Tirta Kencana workshop and interviews with workers, there were 50 potential hazards that existed at the PDAM Tirta Kencana workshop and were then classified according to the type of sources into 12 sources of hazards. There are 3 levels of work accident risk from hazard sources obtained from the risk matrix assessment, which has the potential to cause work accidents. The level of risk is an extreme risk of 1 source of hazard, a high risk of 5 sources of hazard, and a moderate risk of 6 sources of hazard. The proposal of the results of this study is to conduct OSH training, conduct work supervision, and perform maintenance on machinery and equipment.

ANALYSIS OF COMPOSITE ELECTRIC VEHICLE BODY Lydia Anggraini; Ida Bagus Madra Gana
Journal of Mechanical Engineering and Mechatronics Vol 5, No 1 (2020): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v5i1.787

This paper presents a study of a composite car body using finite element method. The body is made of surface model and the study is conducted to simulate the possible deformation of the body under certain load. The objective is to find tha ideal thickness of the composite body as to minimize the vehicle weight. In this research, the strength analysis using finite elements will be explained and the deformation of the body is investigated for finding a possibility to improve this research.

Page 5 of 11 | Total Record : 105

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Contact Name
Rendihernawan

Contact Email
jmem.secretariat@president.ac.id

Phone
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Journal Mail Official
jmem.secretariat@president.ac.id

Editorial Address
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Location
Kota bekasi,

Jawa barat

INDONESIA