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Mini Press Tool as Learning Practical: Designing, Manufacturing, and Analysis Nur, Rusdi; Suyuti, Muhammad Arsyad
Journal of Industrial Engineering & Management Research Vol. 1 No. 2 (2020): Agustus 2020
Publisher : AGUSPATI Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (630.488 KB) | DOI: 10.7777/jiemar.v1i2.34

Abstract

Metal forming is often found in several industries making household appliances, automotive, manufacturing electronic components and others ranging from small or medium sized industries. The mini press tool was produced as a learning medium to help improve students knowledge and skills. The mini press tool was performed in mechanic laboratory of mechanical engineering department, which is divided some stage, such as designing stage using Autodesk software, manufacturing the components, assembling the parts, and analysing the performance. Based on all stage, it concluded that the mini press tool have specifications i.e. frame height is 360 mm, frame length is 180 mm, frame width is 150 mm, electric motor with speed of 1400 rpm, maximum load capacity is 372,04 kg. The mini press tool can be used as a learning media tool for students to provide an overview and understanding the press tool of parts and components. It can bending some products with a maximum forming force of 372 kgf with a bending time of about 3 seconds per product or 1,200 products/hour.
Development of a digital-based fiber tensile testing apparatus to enhance fiber testing accuracy Iswar, Muhammad; Suyuti, Muhammad Arsyad; Nur, Rusdi; Muttaqin, Ahmad Nurul
International Journal of Advances in Applied Sciences Vol 14, No 2: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v14.i2.pp552-561

Abstract

Natural fibers are increasingly used in various industries due to their eco-friendly properties and cost-effectiveness. However, current methods for testing the mechanical properties of these materials, such as tensile strength, often face limitations in accuracy and efficiency. This study aims to develop an innovative digital-based fiber tensile testing apparatus to enhance the precision of tensile testing. The research involves the design and construction of the apparatus, utilizing components such as ST37 steel, stepper motors, and Arduino technology. The apparatus was tested using two types of natural fibers, Cocos nucifera L. (coconut fiber) and Sansevieria, to assess their tensile properties. The results showed that although Sansevieria fibers have a smaller diameter, they exhibited higher tensile stress compared to coconut fibers. The developed digital testing apparatus enables more accurate and efficient fiber testing, contributing to the development of stronger and more sustainable materials for industrial applications. The findings of this study highlight the potential of advanced testing equipment in supporting the use of natural fibers in manufacturing and environmental sustainability.
Kaji Eksperimental Sifat Mekanik Komposit Resin Epoxy Berpenguat Serat Alam Suyuti, Muhammad Arsyad; Nur, Rusdi; Wahyono Patandean, Tri; Maulana S. Usman, Achmad
Jurnal Teknik Mesin Sinergi Vol 23 No 1 (2025): April 2025
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v23i1.5516

Abstract

Komposit merupakan material yang terdiri dari dua kombinasi dua jenis bahan berbeda dimana tiap bahan tersebut memiliki sifat mekanik yang berbeda. Komposit yang diteliti dalam penelitian ini yaitu komposit serat yang menggunakan serat alam sebagai penguatnya dan resin epoxy sebagai matriks. Serat alam yang digunakan ada dua jenis yaitu serat sisal dan serat ijuk. Tujuan penelitian ini untuk mengetahui sifat mekanik komposit yang menggunakan serat sisal dan serat ijuk sebagai penguat. Sebelum dibuat menjadi spesimen uji, serat sisal direndam dalam NaOH 5% selama 4 jam dan serat ijuk dalam NaOH 5% selama 2 jam. Serat dalam komposit ini sebanyak 15% dari massa matriks kemudian persentase massa antara serat sisal dan serat ijuk dibagi menjadi tujuh variasi yaitu S15I0, S12I3, S9I6, S7.5I7.5, S6I9, S3I12 dan S0I15. Arah susunan serat yaitu serat lurus kontinu dan serat acak. Berdasarkan hasil penelitian ini, kekuatan tarik terbesar terdapat pada komposit variasi serat sisal 12% dan serat ijuk 3% (S12I3) dengan arah serat lurus kontinu yang memiliki kekuatan tarik rata-rata 115,01 MPa. Untuk kekuatan bending terbesar pada komposit variasi serat sisal 9% dan serat ijuk 6% ( S9I6) dengan arah serat lurus kontinu yang memiliki kekuatan bending rata-rata 123,83 MPa. Sedangkan kekuatan impak terbesar pada komposit variasi serat sisal 9% dan ijuk 6% (S9I6) dengan arah serat lurus kontinu yang memiliki energy impak rata-rata 20.71 kJ/mm2. Penelitian ini juga menunjukkan bahwa dengan adanya kombinasi anatara serat sisal dan serat ijuk dapat meningkatkan sifat mekanik komposit dan serat lurus kontinu memiliki sifat mekanik yang lebih baik dibandingkan dengan serat acak.
Determining Interval Time of Maintenance in Bosowa Cement Indonesia using Reliability Method Suyuti, Muhammad Arsyad; Nur, Rusdi
INTEK: Jurnal Penelitian Vol 3 No 2 (2016): Oktober 2016
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1572.566 KB) | DOI: 10.31963/intek.v3i2.52

Abstract

Maintenance for machining and production facility is an important aspect to ensure a smooth production process. During this time, it was performed regular maintenance based on technical advice from supplier’s engines which just shows things in general without considering the actual operating conditions. This paper aims to plan the maintenance strategies for the Finish Mill unit based on reliability analysis by considering the target system reliability and cost of improving reliability. The data distribution obtained the most appropriate distribution. Based on the data obtained distribution parameters, then the function of the reliability of each part an be determined so that the value of the reliability of each part and the overall system for a specific time period can be calculated. The results showed that the failure or breakdown Mill Finish Unit was majority caused by the part of 561.BM1, 531.WF1, 531.BC6, 531.BC2, 531.BC1, 561.SR1 and 531.BC3. it means that need to focus o the reliability analysis to allocate their parts.
Experimental Study on the effect of Cooling Media on Impact Strength in the Heat Treatment Process of Medium Carbon Steel S45C Risal, Syah; Mahadir, Mahadir; Suyuti, Muhammad Arsyad; Nur, Rusdi
INTEK: Jurnal Penelitian Vol 9 No 2 (2022): October 2022
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v9i2.4188

Abstract

Steel possesses mechanical properties that can enhance the hardness and microstructure of its surface, and heat treatment is one way to achieve these properties. This study aimed to investigate the impact of different cooling media on the heat treatment process and the resulting impact strength of S45C medium carbon steel. The steel specimens were heated at various temperatures (800oC, 850oC, and 900oC) in a furnace and then cooled using three different media: water, oil, and air. The study concluded that for all three temperatures, the specimens cooled with oil had the highest impact value. Furthermore, oil and air immersion resulted in ductile fractures, while water immersion caused brittle fractures.