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Muhammad Arsyad Suyuti
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Energy Mechanical Engineering

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Modifikasi Desain Konstruksi Alat Bending V Dengan Sistem Hidro Pneumatik Rusdi Nur; Muhammad Arsyad Suyuti; Arial Arial; Farid Hidayat Arfa; Andi Fadel Ahmad
Jurnal Sinergi Jurusan Teknik Mesin Vol 21, No 1 (2023): April 2023
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v21i1.4223

Abstract

Many forms of technological development aim to answer the need for human work efficiency, so an effective technology development effort is very necessary. As the times progress, of course, there are many changes, especially in science and technology, which may have shifted completely in the industrial area, meaning that in this change it is necessary to require extra operations, namely human labor replaced by machine power. One of them is a plate bending machine or what is called a bending machine. The purpose of this program according to the formulation of the problem above is to maximize the drive system and bending system so that the bent plates form a 90° angle. This research includes several things such as sketching or drawing of bending tools to be modified, as for what we modified, namely the replacement of the top and a larger bottom plate so that the pressing system functions properly, as well as the replacement on the spring so that it matches the load received by the spring. After determining the form of the construction design of the plate bending tool, then determine the concept of each main component of the plate bending tool in order to get maximum and good bending results. The data from the test results of this portable bending tool were tested with different plate thicknesses, namely 2 mm, 3 mm and 4 mm plates. Tests were performed on each thickness using the maximum bending line. Based on the tests carried out using this bending tool that the drive system works optimally and the bending system works properly and the maximum bending on a plate with a thickness of 4mm can be bending at the right angle of 90° is said to work optimally.
Optimasi Sifat Kekerasan dan Struktur Mikro Paduan Aluminium Silikon A383 dengan Variasi Perlakuan Panas Paipinan, Paipinan Batara Randa; Ahmad Zubair Sultan; Muhammad Arsyad Suyuti
Jurnal Teknik Mesin Sinergi Vol 24 No 1 (2026): April 2026
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v24i1.5823

Abstract

The purpose of this study was to determine the effect of heat treatment on the hardness and microstructure of A383 aluminum alloy. The research method includes materials, tools, and experimental procedures carried out during the study. The tested material was A383 aluminum alloy in the form of a cylindrical block, which was machined into test specimens with dimensions of 10 × 10 × 10 mm. The heat treatment process was conducted in two stages. In the first stage, the specimens were subjected to solution heat treatment at a temperature of 550 °C with a holding time of 2 hours followed by quenching in water media. In the second stage, the specimens were subjected to artificial aging at temperatures of 150 °C, 200 °C, and 250 °C with holding times of 4, 5, and 6 hours. The tests carried out included chemical composition testing, Brinell hardness testing, and microstructure observation. The results show that the hardness of A383 aluminum alloy can be improved through a sequence of solution heat treatment, quenching, and artificial aging processes. The maximum hardness value of 112.86 HB was obtained at an aging temperature of 200 °C with a holding time of 4 hours. Microstructure observations indicate that the peak aging condition produces a finer and more uniformly distributed precipitate structure in the aluminum matrix, which contributes to the increase in hardness.
Co-Authors Aditya P H Ahmad Zubair Sultan Andi Fadel Ahmad Ardiansyah Ardiansyah Arial Arial Armila Sahi Pajarrai Arthur H. Razak Arya A. Amiruddin Baso Nasrullah Christina Agatha D. H. Wahyuningsi Dewi Ratih M Farid Hidayat Arfa Gede Yudi Swastika Jumardin S Luther Sonda M. A. Murtadha Marham Marham Mariam Mariam Mastang Mastang Max Helenson Jacobus Misbahuddin Misbahuddin Misdar Misdar Muas M Muh Azwar Arham Muh Farid Hidayat Muh Reza B Muh Rusdi Muhammad Ali Chandra Muhammad Ardiansyah Muhammad Arsyad Muhammad Ikram Kido Muhammad Iswar Muhammad Jufri Dullah Paipinan, Paipinan Batara Randa Patta Hajji Pria Gautama Raichard Pasau Rasul Rasul Rezky Aryadi Mihdar Rusdi Nur Simon Ka’ka Sitti Sahriana Sudarman Sudarman Suryono Suryono Syaharuddin Rasyid Syaputra Dermawan Tanhar Bin Naim Tri Agus Susanto Wiranto Wiranto Yosrihard Basongan