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Susanto, I Made
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Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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DESAIN DAN SIMULASI CHASSIS MOBIL KMHE MODEL SPACE FRAME Susanto, I Made; Agustina, Lia; Mariki, I Wayan Wawan
JTAM ROTARY Vol 8, No 1 (2026): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v8i1.17382

Abstract

Penelitian ini bertujuan untuk merancang dan mensimulasikan chassis mobil KMHE menggunakan perangkat lunak Autodesk Inventor dan software ANSYS. Chassis mobil KMHE yang dirancang menggunakan model space frame dengan material utama hollow baja hitam. Parameter teknis seperti uji tarik, deformasi, tegangan dan safety factor digunakan untuk mendukung proses simulasi dan analisis perfoma mekanik chassis mobil KMHE. Hasil penelitian menunjukkan pada uji tarik material hollow baja hitam sebagai bahan utama chassis KMHE diperoleh nilai yield strength sebesar ±317,5 MPa dan ultimate tensile strength sebesar ±393,6 MPa, serta modulus elastisitas sebesar ±19.226 MPa. Hasil ini menunjukkan bahwa material tersebut memiliki sifat mekanik yang kuat, kaku, dan layak digunakan sebagai struktur utama chassis kendaraan ringan. Pada analisis deformasi, tegangan, dan safety factor menggunakan perangkat lunak ANSYS diperoleh nilai deformasi maksimum sebesar 40,05 mm, tegangan maksimum sebesar 7,24 MPa serta menghasilkan safety factor sebesar 43,86. Hasil ini menandakan struktur sangat aman untuk digunakan dalam kondisi pembebanan statis pada kendaraan KMHE. This study aims to design and simulate the KMHE car chassis using Autodesk Inventor and ANSYS software. The KMHE car chassis is designed using a space frame model with the main material being black steel hollow. Technical parameters such as tensile tests, deformation, stress, and safety factor were used to support the simulation process and analysis of the KMHE vehicle's mechanical performance. The results showed that tensile tests using black hollow steel as the primary material for the KMHE chassis yielded a yield strength of ±317.5 MPa, an ultimate tensile strength of ±393.6 MPa, and a modulus of elasticity of ±19,226 MPa. These results indicate that the material possesses strong and stiff mechanical properties, making it suitable for use as the primary structure of a light vehicle chassis. Analysis of deformation, stress, and safety factor using ANSYS software yielded a maximum deformation of 40.05 mm, a maximum stress of 7.24 MPa, and a safety factor of 43.86. These results indicate that the structure is very safe for use under static loading conditions in KMHE vehicles.
PENGARUH FRAKSI VOLUME DAN PERLAKUAN AWAL TERHADAP KEKUATAN TARIK KOMPOSIT SERAT BATANG PISANG Agustina, Lia; Susanto, I Made; Mariki, I Wayan Wawan
JTAM ROTARY Vol 8, No 1 (2026): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v8i1.17383

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh variasi fraksi volume dan perlakuan awal serat terhadap kekuatan uji tarik pada material komposit berbasis serat batang pisang. Material komposit ini dikembangkan sebagai alternatif bahan penguat alami yang ramah lingkungan dan memanfaatkan limbah biomassa. Serat batang pisang diberi perlakuan alkali dengan variasi larutan NaOH 2%, 4%, 6% untuk meningkatkan kualitas antarmuka antara serat dan matriks resin epoxy. Variasi fraksi volume serat yang digunakan adalah 20%, 40%, dan 60%. Proses pembuatan komposit dilakukan dengan metode hand lay-up, sedangkan pengujian sifat mekanik meliputi uji tarik (ASTM E8). Hasil penelitian adalah pengujian pada fraksi volume 40% yang menghasilkan sifat mekanik terbaik untuk aplikasi struktural. This study aims to determine the effect of variations in volume fraction and fiber pretreatment on the tensile strength of banana stem fiber-based composite materials. This composite material was developed as an alternative environmentally friendly natural reinforcing material and utilizes biomass waste. Banana stem fibers were treated with alkali with variations NaOH solution of 2%,4%, 6% to improve the quality of the interface between the fiber and the epoxy resin matrix. The variations in fiber volume fraction used were 20%, 40%, and 60%. The composite manufacturing process was carried out using the hand lay-up method, while mechanical property testing included tensile testing (ASTM E8). The results of the study were testing at a volume fraction of 40% which produced the best mechanical properties for structural applications.
Co-Authors Lia Agustina, Lia Mariki, I Wayan Wawan