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All Journal International Journal of Mechanical Engineering Technologies and Applications (MECHTA) ARMATUR : Artikel Teknik Mesin dan Manufaktur Jurnal Sains dan Teknologi International Journal of Mechanical, Industrial and Control Systems Engineering
Salim Subarkah
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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 Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering

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Sutrisno Effect of Clay Powder Composition on the Tensile Strength and Burn Resistance Properties of Composite Materials sutrisno, sutrisno -; Salim Subarkah; Nur Chandra Dana Agusti; Gatot Soebiyakto
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 5 No. 2 (2024): ARMATUR: Artikel Teknik Mesin dan Manufaktur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v5i2.5636

Abstract

Composite materials are developing very rapidly. Composite materials are widely used in the automotive industry. Composite materials used in industry are required to have burn resistance. In transportation service regulations, it has been suggested that this material must be burnt-resistant to reduce the high risk. In this research, additional materials were used to make composite materials. The extra material is clay, which is obtained from grinding red bricks. The clay grain size is mesh 200. The variations used are 0:2:88; 3:9:88: 6:6:12; 9:3:88; 12:0:88 (clay, fiber, polyester resin: %). This research aims to determine composite materials' tensile strength and burn resistance. The method used is printing specimens using the hand layup method. The tests carried out were tensile tests, burn tests, and SEM photos. The research results show that at a composition of 0% clay, the tensile strength is 55.65 MPa. The maximum tensile strength at a percentage of 3% clay is 58.67 MPa. The tensile strength decreases at percentages of 6, 9, and 12 clay. Maximum burn resistance at a percentage of 12% clay. The smaller the clay percentage, the higher the burning speed. From the test results, the percentage suitable for use in industry is 3% clay and 9% fiber. This material has tensile strength that meets standards and good burn resistance.
Effect of SCADA Implementation to Productivity in Ammunition Industry: A Review Sanjiwani, Yudistira; Risonata, Victor Yuardi; Afif, Ilham; Subarkah, Salim
International Journal of Mechanical Engineering Technologies and Applications Vol. 1 No. 2 (2020)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2020.001.02.1

Abstract

Within the last years, global industries are hyping over Industry Revolution 4.0. Utilizing the computer science combining with the mechatronics, each industry strives to increase productivity and efficiency. Of those industries is the ammunition industry. Regarded as one of the strategic industry of a nation, the ammunition industry needs to quickly adapt to the technological advance, the beginning of a new era. The old-schooled method in production control is outdated and needs to be replaced. Supervisory control and data acquisition (SCADA), one of the newest method for production control, has been developed for several years. The exact form of implementation is however yet fixed. It has to be specifically developed for each industry, i.e. the ammunition industry in this case. With the rapidly growing information technology and science, the ammunition industry is expected to be able to implement the best suited control system to increase and to optimize its production capacity.
Design and Simulation of Screw Flow in a Prototype Injection Molding Machine Using Recycled Polypropylene Riswan E. W. Susanto; Ahsin Fahmi M; Hafidzul Ulum; Rima Z. K. Nisak; Salim Subarkah
International Journal of Mechanical, Industrial and Control Systems Engineering Vol. 2 No. 2 (2025): June :IJMICSE: International Journal of Mechanical, Industrial and Control Syst
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijmicse.v2i2.334

Abstract

Plastic waste is currently still a serious problem for society due to the lack of sensitivity to environmental problems and the impact of careless disposal of plastic waste in many places. The injection molding process on industry scale often faces obstacles such as machines that have not worked efficiently, injection capacity that is unable to fill the mold completely, and the emergence of product defects due to plastic flow that begins to freeze before the entire cavity is completely filled. This study aims to design and simulate a prototype injection molding machine with a capacity of 4 tensile test specimens (total volume 28.5 cm³) in order to overcome these problems and to adjust the practicum needs of mechanical engineering students. The design process is carried out with SolidWorks software for 3D design, as well as flow simulation using SolidWorks Plastics and Flow Simulation with recycled Polypropylene (PP) material at melting temperature ± 230 ° C and injection pressure ± 5.3 MPa. The design results in a machine with dimensions of 1273 × 400 × 826 mm equipped with main components in the form of a frame, electric motor and gearbox, hopper, body safety, wheels, piston cylinder, control panel, heater, screw with barrel, and mold. SolidWorks Plastics simulation shows that the plastic flow fills the mold evenly with a filling time of 10.93 seconds, cycle time of 83.94 seconds, and maximum pressure of 5.38 MPa in the gate area, while Flow Simulation simulation shows a spiral flow pattern from the hopper to the end of the mold without backflow, with a mass flow rate of 0.0227 kg/sec and an average pressure of 97.765 Pa. These results prove that the design and simulation can improve process efficiency and mold quality
Effect of SCADA Implementation to Productivity in Ammunition Industry: A Review Sanjiwani, Yudistira; Risonata, Victor Yuardi; Afif, Ilham; Subarkah, Salim
International Journal of Mechanical Engineering Technologies and Applications Vol. 1 No. 2 (2020)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2020.001.02.1

Abstract

Within the last years, global industries are hyping over Industry Revolution 4.0. Utilizing the computer science combining with the mechatronics, each industry strives to increase productivity and efficiency. Of those industries is the ammunition industry. Regarded as one of the strategic industry of a nation, the ammunition industry needs to quickly adapt to the technological advance, the beginning of a new era. The old-schooled method in production control is outdated and needs to be replaced. Supervisory control and data acquisition (SCADA), one of the newest method for production control, has been developed for several years. The exact form of implementation is however yet fixed. It has to be specifically developed for each industry, i.e. the ammunition industry in this case. With the rapidly growing information technology and science, the ammunition industry is expected to be able to implement the best suited control system to increase and to optimize its production capacity.
Inisialisasi Model Dampak Pembebanan Vertikal terhadap Pola Tumpukan Buah Tomat Subarkah, Salim; Fitryanti, Rafika Indah; Arif, Saiful; Mutiara B, Ahmad Dony; Hiding Cahyono
Jurnal Sains dan Teknologi (JSIT) Vol. 5 No. 3 (2025): September-Desember
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v5i3.3692

Abstract

This study analyzes the potential damage to tomato fruits, which are susceptible to damage due to high water content and soft flesh. During the distribution process in Indonesia, shipments often utilize RPC crates without any protective layering, significantly increasing the risk of damage caused by friction and random vibration. The main objective is to analyze the impact of vibration through a static simulation on a 3D CAD model of a tomato fruit with applied loads of 5N, 10N, and 15N. The analysis specifically focused on the deformation and stress values experienced by the fruit under these conditions.The results indicated that the FCC 2 stacking pattern was the most effective in minimizing damage. This effectiveness is attributed to its compact arrangement and the greater number of contact points between fruits. Conversely, the Jumble 2 pattern exhibited the highest vulnerability. The Jumble 2 pattern recorded a maximum deformation of up to 6.3153mm and a maximum normal stress of 0.3410MPa (under a 15N load). The wider distribution of normal forces in the Jumble 2 pattern makes it more prone to damage. Therefore, a compact stacking pattern that maximizes contact points is crucial for reducing the percentage of tomato fruit damage during the shipping process.
Co-Authors Afif, Ilham Ahsin Fahmi M Fitryanti, Rafika Indah Gatot Soebiyakto Hafidzul Ulum Hiding Cahyono Mutiara B, Ahmad Dony Nur Chandra Dana Agusti Rima Z. K. Nisak Risonata, Victor Yuardi Riswan E. W. Susanto Saiful Arif Sanjiwani, Yudistira Sutrisno, Sutrisno -