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All Journal IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA)
Ari Handoko
Politeknik Krakatau
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Analisis Kinerja Struktur Crane Monorel 8 Ton Menggunakan Analisis Rangka dan Evaluasi Sambungan Baut Ari Handoko; Yopan Rahmad Aldori; Mislan Mislan; Fadhli Farsa; Nova Arief Setyanto; Masrajuddin Masrajuddin
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 3 (2025): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i3.359

Abstract

This study analyzes the structural performance of an 8-ton monorail crane using frame analysis simulation in Autodesk Inventor Professional 2012. The structure is made of ASTM A36 carbon steel, and the applied load is calculated with a safety factor of 1.67, yielding a load of 131,061.6 N. The evaluated parameters include bending moment, shear force, normal stress, and displacement. The results show a maximum bending moment of 1,538,000 N·mm, a maximum shear force of 97,063 N, and a maximum stress of 151.6 MPa, which is below the allowable stress of 250 MPa. The maximum displacement of 29.95 mm is also lower than the allowable limit of 30.5 mm according to SNI 03-1729-2002. In addition, bolt-connection evaluation confirms safe performance under loading. Therefore, the monorail crane structure is considered safe and suitable for lifting 8 tons.
Analisis Pengujian Elastisitas Young Modulus Pada Wood Poylmer Composite Dengan Metode Hot Press Bagus Suranta Sembiring; Yopan Rahmad Aldori; Ari Handoko
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 2 (2025): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i2.226

Abstract

This study aims to determine the Elasticity of Wood Polymer Composite (WPC). The composite was made using 15 grams of wood powder and 30 grams of plastic sheets, processed for 60 minutes at a pressure of 8 MPa. The temperature used was 125°C. The hot press method is one of the techniques commonly used to produce WPC. In this process, a mixture of wood fibre and plastic sheets is heated and pressurised below the temperature to compact and form the composite according to the desired mould. By creating a dogbone-shaped specimen with a distinctive shape, featuring a narrowed centre, the design is intended to ensure that failure occurs at the centre of the specimen when tested, thereby providing more accurate results about the material's strength.
Analisa Kekerasan Dengan Pengujian Vickers Pada Wood Polymer Composite Menggunakan Metode Hot Press Hadi Pranata; Yopan Rahmad Aldori; Ari Handoko
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 2 (2025): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i2.279

Abstract

Wood Polymer Composite (WPC) is a composite material composed of wood powder and recycled plastic. This material has been widely developed as an environmentally friendly alternative since it combines the natural properties of wood with the advantages of polymers. The manufacturing process involves mixing wood powder and plastic, followed by heating and molding into various structural forms. WPC exhibits high strength, durability, and resistance to environmental conditions, making it a popular alternative to solid wood. A typical composition consists of 50% wood powder and 50% high-density polyethylene (HDPE). In addition to improving wood utilization efficiency, WPC also contributes to reducing plastic waste accumulation that is difficult to decompose in the environment.
Co-Authors Bagus Suranta Sembiring Fadhli Farsa Hadi Pranata Masrajuddin Masrajuddin Mislan Mislan Nova Arief Setyanto Yopan Rahmad Aldori