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All Journal Jurnal Teknik Mesin Jurnal Teknik Mesin Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII
Anrinal Anrinal
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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The Influence of the Initial Angle of the Cut and the Depth of Cut on the Shaping Process to Edge Wear of HSS Chisel Anrinal Anrinal; Asmara Yanto; Hendriwan Fahmi; Yanto Darman
Jurnal Teknik Mesin (JTM) Vol 10, No 2 (2020)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

The purpose of this research is to provide an overview of the effect of the initial angle of cut and depth of cut on the edge wear of the HSS chisel in the wear resistant steel cutting process using a scrap machine. This research was conducted using the KLOPP brand scrap machine, Type 550, Machine Code SC 01, Cutting speed (V) 15 m / min, Feeding motion (f) 0.4 mm / step, cutting time 5 minutes, using HSS Bohler scrap chisel Rapid Extra 1200 (3/8 "X 4") with variations in the initial angle of cutting (λ) 50 , 150, 250 and variations in the depth of cut (a) 0.4 mm, 0.8 mm and 1.2 mm. The results showed that an increase in the initial angle of cut and depth of cut tended to result in an increase in the edge wear of the HSS chisel.
Study of Experimental Vibration Due to Misalignment of Pulley-Belt in Rotary Machine Asmara Yanto; Anrinal Anrinal; Rozi Saferi; Zultri Memori
Jurnal Teknik Mesin (JTM) Vol 10, No 2 (2020)
Publisher : LP2M - Institut Teknologi Padang

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This study aims to investigate the vibration of rotary machine due to misalignment of its pulley-belt, experimentally. Here, the rotary machine is driven by an AC motor with pulley-belt transmission that positioned on the outer portion of shaft-rotor. To generate vibration of rotary machine, pulley-belt is conditioned to have a combination of offset and angular misalignments. Offset misalignment variations are 0, 2, 4, and 6 mm and angular misalignment variations are 0ᵒ, 2ᵒ, 4ᵒ, and 6ᵒ. Vibration of rotary machine is measured on the bearing housing by use MEMS-based accelerometers. The measured signal of vibration acceleration is acquired with a data acquisition device to obtain vibration spectrum. From the investigation to vibration spectrum has been done, it can be concluded that vibration of rotary machine has characteristic with dominant frequencies at 1xRPM of shaft and at 1xRPM of motor. The vibration amplitude at 1xRPM of shaft is higher than the vibration amplitude at 1xRPM of motor. From this investigation, it is not possible to find differences in the characteristics of vibrations significantly that occur between vibrations due to offset misalignment, angular misalignment or their combination.
ANALISA KEKUATAN TARIK HASIL SPOT WELDING BAJA KARBON RENDAH Anrinal Anrinal; Hendri Hendri
Jurnal Teknik Mesin (JTM) Vol 2, No 1 (2012)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

The study aims to analyze the influence of time pressure on the strength of the weld connection point (spot welding) low carbon steel. The study was conducted by analyzing the tensile strength of the weld point by press time variation 20, 25, and 30 seconds on a current strength 70 Amperes. The results show that the press time will determine the outcome of a process of welding and weld strength. The longer ofpress time will result in nugget diameter (weld metal) getting bigger, and this resulted in attraction strength also increased.
Android-Based Control System of Lawn Mower Using Bluetooth Connection Asmara Yanto; Anrinal Anrinal; Prasetyo Subekti
Jurnal Teknik Mesin (JTM) Vol 10, No 1 (2020)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

The purpose of this research is to build and test the android-based control system of lawn mower using Bluetooth connection. The lawn mower has 4 DC motor actuators, where a DC motor for moving the rear wheels that serves to move the lawn mower back and forth, a DC motor to drive the front wheels that serves to turn the lawn mower, a DC motor to adjust the cutting blade elevation and a DC motor for turning the cutter blade. The four DC motors are controlled by a Arduino. The command or input to control the motion of the mower is sent via Android with a bluetooth connection to Arduino. The lawn mower control system testing is carried out to cut the grass. From the tests was conducted, it can be concluded that the lawn mower control system works well.
Kinematic Analysis of A 4-Axis Manipulator Design with 2-Axis Gripper Asmara Yanto; Rozi Saferi; Anrinal Anrinal; Fikri Azhar
Jurnal Teknik Mesin (JTM) Vol 9, No 1 (2019)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

The purpose of this work is to analyze the kinematic of a manipulator that was designed to has four revolute movements (R1, R2, R3 and R4) and is equipped with a gripper that has one revolute movement (R) and one prismatic movement (P). The analysis was conducted by varying R1, R2, R3 and R4 of manipulator and R and P of gripper. Kinematic analysis was carried out using the Forward Kinematics method based on DH-Parameters of manipulator and gripper. Manipulator was designed to be consist of 120 mm of Link-1, 200 mm of Link-2, 250 mm of Link-3 and 250 mm of Link-4. Revolute movements range of manipulator was designed for variation of R1, R2, R3 and R4, and with movements range of gripper for variation of R and P. From this work can be concluded that manipulator has 228.5 mm of minimum range radius of end-effector and 547.0 mm of maximum range radius of end-effector.
Development of Dynamic Signal Analyzer Virtual Instrument (DSA VI): A Research Proposal Asmara Yanto; Anrinal Anrinal
Jurnal Teknik Mesin (JTM) Vol 6, No 1 (2016)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

At present, one of the maintenance types that is being developed is the predictive maintenance based on the mechanical signals obtained by performing the mechanical quantities measurements. In general, a mechanical signal is a dynamic signal where to acquire this signal, it is required a dynamic signal analyzer (DSA) instrument.  However, the availability of DSA instruments in the market is limited in functionality and specification and also high cost. Therefore, in this work, a DSA instrument in the form of computer-based virtual instrument (DSA VI) would be developed. The DSA VI would designed by using the LabVIEW software and an Arduino UNO hardware. It is hopefully that the developed DSA VI capable to acquiring, processing, displaying, storing and reading the measured mechanical signals.
A Simple Dynamic Signal Analyzer Virtual Instrument To Monitoring and Control Airflow Temperature Asmara Yanto; Anrinal Anrinal; Ryan Adi Pratama
Jurnal Teknik Mesin (JTM) Vol 6, No 2 (2016)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

This work aims to present a Dynamic Signal Analyzer Virtual Instrument (DSA-VI) for monitoring and control the airflow temperature in a prototype of air duct. Here, the DSA-VI has developed by using LabVIEW software and Arduino UNO.  To investigate the performance of DSA-VI, an experiment has performed to monitoring and control airflow at settling temperature, 40oC, 50oC, and 60oC, respectively by using the DSA-VI. By assuming that an airflow temperature control system as the first order system, the time constant (t) should be inspected as one of the system characteristics. The testing at the settling and surrounding temperatures (Tsp and T0) are 40oC and 28.81oC respectively, obtained value of t is 7.49 s; at Tsp and T0 are 50oC and 29.88oC respectively, obtained value of t is 11.35 s; and at Tsp and T0 are 60oC and 28.81oC respectively, obtained value of t is 19.54 s. By using DSA-VI, the value of t at the transient response can be evaluated. At the steady state response, the airflow temperature has controlled well with the steady state error less than ± 2.5 %.
Microstructures Changes in Aluminum 6061 Due To Oxidation before MMAW Welding Anrinal Anrinal; Asmara Yanto; Rahmad Hidayat
Jurnal Teknik Mesin (JTM) Vol 10, No 1 (2020)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

This work aims to provide an overview of the changes in the microstructure of Aluminum 6061 because it was oxidized prior to MMAW welding. The research was conducted by first allowing aluminum 6061 to oxidize in the air (atmosphere) with a time variation of 0, 120, and 240 hours. The MMAW welding process uses a 1G welded seam without a 1G position, Grilumin 14 electrode, AWS A5.3-99 specifications, E4043 3.2 mm in diameter, with a DC current of 90 Amperes. The welding results show that the weld surface appears sooty and rough spots where the longer the oxidation occurs produces more soot and spots, while the results of the microstructure examination on the weld area and the HAZ area show that the micro structure of the weld area and the HAZ area experiences increased grain size.
Development of the Dynamic Signal Analyzer Based on Labview+Arduino to Identify Structure Dynamic Characteristics Asmara Yanto; Adriyan; Anrinal; Rozi Saferi
Jurnal Teknik Mesin Vol 11 No 1 (2021): Jurnal Teknik Mesin Vol.11 No.1 April 2021
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2819.112 KB) | DOI: 10.21063/jtm.2021.v11.i1.8-18

Abstract

In this work, the dynamic signal analyzer (DSA) based on Labview+Arduino has been developed. The DSA is validated to acquire and analyze vibration of two degrees of freedom (2-DOF) structure as the test rig. Vibration signal generated by bump test method to the test rig. Vibrations of the test rig are measured by using micro-electro-mechanical system (MEMS)-based accelerometers. The measured vibrations are acquired and analyzed by using the DSA. In the DSA is used fast Fourier transform (FFT) method to obtain natural frequencies of the structure and half power point (HPP) method to estimate damping ratio of structure. From the testing was conducted can be concluded that the DSA capable to determine natural frequency and damping ratio of the 2-DOF structure. If the obtained results are compared to theoretically results, there are different results about less than 10%.
The Influence of the Side Rake Angle of the Cut on the Flat Turning Process to Flank Wear of HSS Cutting Tool Anrinal; Asmara Yanto; Khairun Nizam
Jurnal Teknik Mesin Vol 11 No 1 (2021): Jurnal Teknik Mesin Vol.11 No.1 April 2021
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (842.079 KB) | DOI: 10.21063/jtm.2021.v11.i1.30-36

Abstract

The purpose of this study is to provide an overview of the effect of the side rake angle in the medium carbon steel flat turning process on the flank wear of the HSS cutting tool. This research was conducted using a PL 1000 lathe, cutting speed (Vc) 24 m/min, cutting depth 0.25 mm, feeding motion 0.26 mm/r, using an HSS cutting tool with side rake angle variations (γo) 120, 180, 250. Flank wear was measured using the Toolmaker Microscope with an accuracy of 0.005 mm, a clearance of 25 mm, and a magnification of 15 times. The results showed that the increase in side rake angle in the medium carbon steel flat lathe process tended to result in an increase in the flank wear of the HSS cutting tool. The large side cutting angle (250) has the highest wear value of 0.55 mm. The lowest wear value occurs at an angle of 120 with a wear of 0.49 mm.
Co-Authors Adriyan, Adriyan Aga Pratama Asmara Yanto Asmara Yanto Asmara Yanto Asmara Yanto Dedi Kuswanto Farza Anugrah Pratama Fikri Azhar Hendri Hendri Hendri Hendriwan Fahmi Irfan Mandala Putra Khairun Nizam Kurnia Illahi, Redo Prasetyo Subekti Pratama, Farza Anugrah Putri Pratiwi Rahmad Hidayat Randa, Randa Rozi Saferi Ryan Adi Pratama syaiful malik jenifer Yanto Darman Zamhari, Muhammad Apri Zultri Memori