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All Journal JTTM: Jurnal Terapan Teknik Mesin Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Proksima

M. Dalil

Department Of Mechanical Engineering, Universitas Riau, Indonesia

Author-ID : 3503442

Aerospace Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering

Published : 9 Documents Claim Missing Document

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Articles

Calibration Of Vickers Hardness Test PT.Tenaris Seamless Pipe Indonesia Jaya Cilegon Using Standar Blok Dodi Sofyan Arief; Muftil Badri; M. Dalil; Agus Reforiandi; Agus Surya Permana
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 64 No 3 (2020): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

A calibration is an activity to determine the conventional validity of the appointment value of measuring instruments and measuring materials by comparing them to standard measurements that are traceable to national and international standards for measurement units and or international and certified reference materials. The calibration is generally a process of adjusting the output or indication of a measurement device to match the magnitude of the standard used in certain accuracy. The purpose of this paper is to find out the vickers hardness test calibration whether the machine running normally or there is a problem with the device. A case study was conducted in PT. Tenaris SPIJ, Cilegon, Indonesia. A vickers hardness testing in the case study has its own reference standard, namely ISO 6507-2: 2018 Metal material - Hardness Test Verification and Calibration of the test machine. The vickers hardness test equipment is a machine to conduct tests using a diamond pyramid with a plane angle of 136°, by means of an emphasis by an indentor that results in a trace or indentation on the surface of the test object. The vickers hardness testing is abbreviated as HV or HVN and also known as Diamond Pyramid Hardness Test (DPH). Result of calibration in the case study was found the repeatability value on vickers hardness testing machine of 32 HV 10 and the error value of ±3%.

Making roundness measurement applications and control systems on the Roundness Tester Machine Dodi Sofyan Arief; Eko Jadmiko; Adhy Prayitno; Muftil Badri; M. Dalil
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 63 No 3 (2019): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Dial indicator is a comparison device usually used in industrial activities, especially in production. To make measurements at this time must be supported by technology that can facilitate operators when using it and when analyzing measurement results. Involving the programme and microcontroller are a solution to developing in roundness measurement, and then the results can be more accurate or thorough between the readable values read from the measuring instrument with the actual value of varying the amount of data. Roundness application is a program that can input measurement data automatically and can do calculations directly. Then, it can display a reference circle, a table that calculates the values of X, Y, R, X’, Y’, R’, Roundness Deviation, Run out Concentricity or a shift in the center point and also the center point shift or Theta. In measuring roundness, the test object is used the Standard Mandrel which has been certified by PT. Global Quality Indonesia, by determining three points or positions, namely in the first position the amount of data is 180, in the second position the amount of data is 90 and in the third position, the amount of data is 60 with a rotating speed of 15 mm/s. The results of the reference circle can be seen in each calculation in each position, in the second position the roundness deviation values are approaching of the Mandrel.

Control of Automatic Beverage Bottle Filling Process Using P and Team Viewer IoT Imnadir Imnadir; Abdul Khair Junaidi; M. Dalil
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 66 No 2 (2022): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

The development of an on-line process control system in the Industry is a major requirement in the context of the efficiency of machines and improving the quality of production during the Covid-19 period. As well as in the learning system and practicum students are required to be able to study independently, and lecturers must be able to develop themselves in on-line learning methods. The on-line learning process is not just to transfer learning modules to students, but must be able to guide students in an unlimited time, whenever students need an explanation of the material provided. TeamViewer is an application that provides a solution that is used to remotely control another PC or laptop. By knowing the ID and password are provided by TeamViewer on the PC that want to remote. Then, it just entered the TeamViewer application installed on the PC. The use of this team viewer was tested against the control of the beverage bottle filling process. The result is that by using Android the process of controlling beverage bottle filling. It turns out that, it can be operated to fill beverage bottles for different size, namely by setting the data delay on the program 3.2 seconds for the 120 ml bottle size, 4.0 seconds for the 200 ml bottle size, and 5.0 seconds for the bottle size of 300 ml.

The Effect of Short and Long Fiber on Impact Strength in High Density Polyethylene-Fiberglass Composite Elgi Oki Andeska; M Dalil; Dodi Sofyan Arief
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 66 No 3 (2022): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v66i3.315

This study aims to investigate the HDPE (High Density Polyethylene) reinforced with fiberglass to increase strength and toughness into a composite that has the potential to replace ABS (Acronitrile Butadiene Styrene). The composites were made with variations in composition based on volume fraction. The HDPE as matrix and fiberglass as reinforcement through the mixing method, molded in a heating machine (T=140Â°C), pressed with a pressing time of Â±45 minutes. Then, the specimens were cut according to ASTM D6110 standard, and the Charpy impact test was performed. The impact of long fiber for the HDPE composition of 70%vol and fiberglass 30%vol, the average impact strength was 176.838 Joule/mmÂ². The long fiber for the HDPE composition of 80%vol and fiberglass of 20%vol, the average impact strength was 208.08 Joule/mmÂ². The impact of short fiber for HDPE composition of 70%vol and fiberglass of 30%vol, the average impact strength was 72.858 Joule/mmÂ². The short fiber for HDPE composition 80%vol and fiberglass of 20%vol, the average impact strength was 33.394 Joule/mmÂ². Based on research of ABS mixture at 40%/60%vol mixture variation, the average impact strength was 24.8 Joule/mm2 and the 20%/80%vol mixture variation, the impact strength was 18 Joule/mmÂ². In conclusion, the impact strength of the ABS was lower than the HDPE-Fiberglass composite. Therefore, the HDPE-Fiberglass composite can be used as a substitute for ABS for car bumpers.

Placement Sensor Modification of Photo Interrupter and ATDC Sensor on the Minolta Bizhub-421 Photocopy Machine Imnadir Imnadir; Rudi Z.A; Abdul Khair Junaidi; M Dalil
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 67 No 2 (2023): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v67i2.345

Minolta photocopiers produce very good and reliable photocopier quality during their lifetime with the condition that the toner must be replaced with the original. If it is replaced by refilling, then refilling can only be done an average of three times. Meanwhile, replacement by refilling is needed by small and medium business units (SMEs) in an effort to save costs. Recharging that exceeds the average three times will cause the Minolta photocopier to have an error with code C032. Therefore, this paper was conducted to increase the frequency of the toner refill process as a solution for the Minolta Bizhub 421 machine to minimize losses due to interference with code C032. So, the machine can be refilled repeatedly without interruption, as well as adding error information via SMS using an Arduino microcontroller. Method was used experimental of placement sensor modification of photo interrupter and ATDC (After Top Dead Center) sensor. The results showed that after modifying the sensor placement, the number of refills could be increased to an average usage of toner exceeding 12 refills before the error code C032 occurred. This was because of the opto sensor was covered by toner powder and with an indicator that controlled the toner rotation it had reached set point. Then, with SIM 800L, which sends SMS and miss call notifications to users with a success rate of 98% and 2% error. Therefore, it helps users of the Minolta Bizhub 421 photocopier can more easily supervise the toner tube.

Pengaruh Variasi Serat Fiberglass Terhadap Kekuatan Tarik Komposit High Density Polyethylene Jhenris Ivanly; M Dalil; Dodi Sofyan Arif
Proksima Vol 1 No 1 (2023): Jurnal ProKsima
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/proksima.1.1.1-7

This research was aimed to determine the effect of fiberglass fibers in increasing the tensile strength of HDPE composites and their advantages over PVC materials. The specimens were printed using a hot press by pressing and heating at a temperature of 140°C, mixing the materials was carried out by mixing in a measuring cup, then cutting was carried out for tensile testing with the ASTM D3039 standard on the specimen. The results of the study obtained tensile strength with a fraction of 70% vol HDPE resin, 30% vol fiber fiberglass average of 13.774 Mpa with short fiber type and fraction 75% vol HDPE resin, 25% vol fiber fiberglass average of 24,334 Mpa for this type of fiber the length and tensile strength of PVC material has a value of 7 25 Mpa, the tensile strength of HDPE fiberglass composite of 24,334 Mpa is sufficient to replace PVC.

Water flow simulation in a pelton turbine bucket with variable bucket dimensions using computational fluid dynamic Muhammad Idris; Weriono Weriono; M Dalil; Indra Hermawan; Joko Joko; Achmad Jusuf Zulfikar; M.Y. Yuhazri
JTTM : Jurnal Terapan Teknik Mesin Vol 4 No 2 (2023): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v4i2.633

Today, especially among industrialized and developing nations, the usage of renewable energy sources is growing in popularity as a means of supplying energy needs. One of the renewable energy sources that is now being heavily exploited in Indonesia is the potential of water that may be used as a source of electrical energy by establishing a hydroelectric power plant (PLTA). One of the turbines that is frequently used in hydropower plants as a part that may transform water's kinetic energy into mechanical energy is the Pelton turbine. There is not a lot of literature on the design of Pelton turbine buckets. In order to determine the most ideal bucket dimensions that can be used with Pelton turbines, this study presents the conceptual and experimental components of the design and analysis of Pelton turbines based on bucket variations. AutoCAD was used to model the bucket and Pelton turbine, and ANSYS Fluent was used to perform the simulation so that results could be analyzed later. By comparing the simulated data of the blade variants 1 and 2, the ideal blade dimension variation is identified by the blade simulation of variant 1. The blade variation 2 with average torque of 5.859 Nm, average angular velocity of 40.822 rad/s, and average power of 242,970 watts is the most ideal blade. With an average torque of 4,735 Nm, an average corner speed of 40,404 rad/s, and an average power of 196,794 W, the blade 3 model has lower values

Investigation of Tensile and Impact Properties of Pineapple Leaf Fiber-Glass Fiber Reinforced Polymer (GFRP) Hybrid Composites Muftil Badri; Azzaharah Isyari Nuraini Sari; M Dalil; Sukemi Indra Saputra
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 68 No 2 (2024): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v68i2.369

Kontes Kapal Cepat Tak Berawak Nasional (KKCTBN) held by Pusat Prestasi Nasional (Puspresnas) Kemendikbudristek RI aims to encourage innovation in the design and performance of shipping-maritime technology prototypes. The selection of the right material for the catamaran hull is very important because it affects the strength and weight of the ship. Materials such as fiber reinforced polymer, which uses glass fiber, are often used due to their good mechanical strength. However, natural fibers such as pineapple leaf fiber also have potential as composite reinforcement. The combination of natural and synthetic fibers, such as pineapple leaf fiber and glass fiber, in hybrid composites can improve the mechanical properties of the material. The purpose of this study was to investigate tensile and impact properties of pineapple leaf fiber-glass fiber reinforced polymer (GFRP) hybrid composites. Fiber preparation was carried out by separating pineapple leaf to produce fibers, alkaline treatment using 10% NaOH with a soaking time of 24 hours, and oven drying at 100?C for 60 minutes. Polymer as the matrix used was 50% while the percentage variations of pineapple leaf fiber and glass fiber were sequentially as follows 5%:45%, 10%:40% and 15%:35%. It was found that the tensile strength of the 10% pineapple leaf fiber composite was about 114 MPa and impact strength 49.96 J/mm², density 1.19 g/cm3. The results of this study indicate that the resulting composite can be used as an alternative material in the prototype hull of a catamaran type unmanned speedboat.

Automatic Control of Bottle Contents and Separation of Empty Bottles in Packaging Process Using Programmable Logic Controller Siemens S7-1200 Imnadir Imnadir; Abdul Khair Junaidi; Dodi Sofyan Arief; M Dalil
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 68 No 2 (2024): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v68i2.368

Filling liquid into bottles with the same volume is an important part of product packaging. All packaged bottles must be filled per a product's provisions. A device is needed to control the contents of the bottles from a certain distance or from outside the bottles by moving on the conveyor track. So that the bottles can be automatically filling the same volume continues to the packaging process. To be able to control the contents of the bottle automatically and properly may need a tool and a control program. This research was carried out to be able to control the contents of transparent bottles, using a Siemens S7-1200 PLC, so that a system for controlling bottle contents quickly and precisely, which helps the production process run smoothly. The main components used in this research were the Siemens S7-1200 Programmable Logic Controller, Omron E3S-DB sensor, and pneumatic cylinder. The result showed the Control Module Program 1 successfully detected empty bottles and rejected them properly. Control module program 2 successfully moves the pneumatic cylinder to move the cylinder continuously until the stop button was pressed. The module 3 programs succeeded in moving the cylinder, which was limited to only 10 repeated movements until it stopped.

Co-Authors Abdul Khair Junaidi Achmad Jusuf Zulfikar Adhy Prayitno Agus Reforiandi Agus Surya Permana Azzaharah Isyari Nuraini Sari Dodi Sofyan Arief, Dodi Sofyan Dodi Sofyan Arif Eko Jadmiko Elgi Oki Andeska Imnadir Imnadir Imnadir Imnadir Indra Hermawan Jhenris Ivanly Joko Joko M.Y. Yuhazri Muftil Badri Muhammad Idris Rudi Z.A Sukemi Indra Saputra Weriono

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