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All Journal Mechatronics, Electrical Power, and Vehicular Technology SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Jurnal Teknik Mesin
Asmara Yanto
Teknik Mesin, Fakultas Teknologi Industri - ITP Jl Gajah Mada Kandis Nanggalo, Padang
Automotive Engineering Control & Systems Engineering Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Development of AFRO Water Treatment Equipment Wardianto, Dedi; Yanto, Asmara; Hafni, Hafni
Jurnal Teknik Mesin Vol 13 No 2 (2023): Jurnal Teknik Mesin Vol.13 No.2 October 2023
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2023.v13.i2.49-53

Abstract

Water is a source of life, but it is very easily polluted because water is known as a universal solvent and is able to dissolve many substances. Water pollution is the pollution of water bodies (seas, lakes, rivers, groundwater) caused by human activities. To obtain water that meets water quality standards, it must be supported by an appropriate water treatment system, one of which is the water treatment tool in this research, called AFRO. AFRO works with a reverse osmosis filtration aeration process. Previously, AFRO was developed to treat raw water containing dissolved impurities. However, the results are less than satisfactory, so it needs to be developed further to meet the need for clean water that can be utilized by the community. The development of AFRO in this research is based on the House of Quality (HQ) matrix. From this HQ matrix, a presentation of development priorities was obtained from the previous one in the form of design changes of 16.1%, material changes of 9.6%, processing processes of 14% and energy changes of 9.2%. From the tests that have been carried out, this time AFRO can process raw water from dissolved and insoluble impurities. This tool is also equipped with a solar energy utilization system. The AFRO water treatment process developed consists of (1) chemical process, (2) aeration, (3) filtration, (4) reverse osmosis and (5) disinfection using ultra violet (UV) light.
Design Development of Coffee Roaster with Quality Function Deployment Method Satria, Fajri Ilham; Saferi, Rozi; Yanto, Asmara
Jurnal Teknik Mesin Vol 14 No 1 (2024): Jurnal Teknik Mesin Vol.14 No.1 April 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2024.v14.i1.1-7

Abstract

This research aims to identify and determine the level of consumer needs regarding the coffee roaster and to compile a House of Quality (HOQ) to determine dominant design needs and priority technical characteristics of the machine. The benefit of this research is to be able to develop the coffee roaster and to maximize machine use and time efficiency in roasting coffee. The research method used is the Quality Function Deployment (QFD) method by conducting field surveys aimed at finding out the level of consumer needs by distributing questionnaires and looking for information about what the need to make it easier to roast coffee beans. The location of this research was carried out in several café or coffee shop in Padang City. Based on the column weight, it was found that the strongest priority in the technical response was the design aspect with a value weighting of 38.64, followed by the material criteria aspect with a value weighting of 66.1, then time and energy efficiency with values ​​weighting of 30.34 and 15 respectively.. The design for developing coffee roaster according to consumer needs lies in a more affordable price which makes the use of materials and sizes of horizontal sangria equipment cheaper compared to conventional coffee roasting equipment.
The Effect of Firmware Settings on Engraving Results of a CNC Laser Engraver Machine Anrinal, Anrinal; Zamhari, Muhammad Apri; Yanto, Asmara
Jurnal Teknik Mesin Vol 14 No 1 (2024): Jurnal Teknik Mesin Vol.14 No.1 April 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2024.v14.i1.21-26

Abstract

This study aims to determine the effect of setting the firmware on the time and results of the engraving and to analyze the impact of the engraver variable on the CNC Laser Engraving machine. The test results of the cnc laser engraving firmware setting were obtained from several stages of testing the predetermined settings such as the Axis maximum rate and Axis acceleration settings, in order to find the appropriate Axis maximum rate and Axis acceleration settings for the laser engraving process. Tests with the Axis maximum rate setting are carried out with variables 600 mm/min,1200 mm/min,1800 mm/min aiming to find the ideal speed, Tests with Axis acceleration settings are carried out with variables 20 mm/s2, 40 mm/s2, 60mm/s2. aims to find the ideal acceleration by looking at the stability of the results and comparing the test data. axis maximum rate ($110 and $111) 600 mm/min and axis acceleration ($120 and $121) 40 mm/s2, taking into account the engraving time and the resulting clean, non-blur engraving results and the resulting engraving line width. Based on the study, it is recommended for users to be careful in setting the firmware for maximum and clean results. Based on the speed and acceleration test data on the engraving scale, the faster the engraving process, the smaller and blurry the resulting scale (width of the engraving) will be.
Reverse Engineering and Structural Optimization of a Pneumatic Rotary Slip Lifter for Enhanced Safety and Operational Efficiency in Drilling Rigs Yosserizal, A.R.Yosserizal; Saferi, Rozi; Yanto, Asmara
Jurnal Teknik Mesin Vol 15 No 1 (2025): Jurnal Teknik Mesin Vol.15 No.1 April 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2025.v15.i1.23-39

Abstract

This study presents the reverse engineering and structural optimization of a Pneumatic Rotary Slip Lifter (PSL) to enhance safety and operational efficiency in drilling rig operations. Conventional manual rotary slips expose personnel to ergonomic hazards and reduce handling efficiency during drill pipe manipulation. The existing slip mechanism was digitized through reverse engineering and analyzed using three-dimensional finite element analysis (FEA) to evaluate stress distribution, deformation, and safety factors under operational loading conditions. The optimized design incorporates a pneumatic actuation system operating at 90–120 psi, enabling automated lifting and lowering of the slip assembly. Structural optimization ensured compliance with allowable stress limits while minimizing material usage. Simulation results show a maximum von Mises stress of 103.2 MPa—well below the 250 MPa yield strength—and a minimum safety factor of 2.01, indicating reliable elastic performance. Probabilistic reliability assessment yielded a high reliability index (β ≈ 8.5) and negligible probability of failure, while fatigue analysis confirmed infinite-life behavior under cyclic tripping loads. Operational evaluation demonstrated reduced handling time, elimination of manual lifting, and improved ergonomic safety. The proposed PSL offers a structurally validated, reliable, and economically viable alternative to conventional manual slips, supporting safer and more efficient mechanized drill pipe handling.  
Structural Evaluation and Optimization of a Peanut Shelling Machine Frame Using Finite Element Analysis Hakim, M. Ibnu; Anrinal, Anrinal; Yanto, Asmara
Jurnal Teknik Mesin Vol 15 No 2 (2025): Jurnal Teknik Mesin Vol.15 No.2 October 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2025.v15.i2.47-55

Abstract

This study investigates the structural integrity of a peanut shelling machine frame with a capacity of 60 kg/hour using Finite Element Analysis (FEA) in SolidWorks. Two configurations of ASTM A36 angle steel profiles—40×40×3 mm and 20×20×3 mm—were evaluated with a frame geometry of 906×600×900 mm. Operational loads were applied to three critical zones with aggregate weights of 82.6 kg, 5.3 kg, and 13.1 kg, respectively. The structural response was assessed through von Mises stress distribution, nodal displacement, and safety factor analysis. Results indicate that the 40×40×3 mm frame exhibits a maximum stress of 37.114 MPa, displacement of 0.2431 mm, and a safety factor of 6.7, while the 20×20×3 mm frame shows a maximum stress of 73.978 MPa, displacement of 0.4521 mm, and a safety factor of 3.4. Both designs satisfy structural safety requirements, maintaining stresses below the material yield strength of 250 MPa and safety factors above the minimum threshold of 2.0. Stress concentrations were predominantly observed at frame corners. While the smaller profile reduces material usage by 50%, it also decreases stiffness by 86%. The findings demonstrate that the 20×20×3 mm configuration is a cost-effective alternative for static loading conditions, whereas the 40×40×3 mm frame provides higher rigidity suitable for potential dynamic load scenarios.
Co-Authors Adriyan Aga Pratama Anrinal Anrinal Anrinal Azhar, Fikri Darman , Yanto Fajar Marda Kapur Febryan, Ikhsan Fitra Soni, Idel Hafni Hafni Hakim, M. Ibnu Hendriwan Fahmi Hendriwan Fahmi Ilhamdi, Muhammad Jeni, Ahmad Kurnia Illahi, Redo Memori, Zultri Nizam, Khairun Pratama, Farza Anugrah Putri Pratiwi Randa, Randa Rozi Saferi, Rozi Satria, Fajri Ilham Subekti , Prasetyo Sucipto, Joko Sulaeman Sulaiman Surianda , Jendri Yanel, Karnova Yosserizal, A.R.Yosserizal Zainal Abidin Zamhari, Muhammad Apri