Evan Hadi Ar-Rafi, . (2025) OPTIMASI DESAIN BOOM PADA EXCAVATOR KAPASITAS 7,5 TON DENGAN PENDEKATAN SIMULASI METODE ELEMEN HINGGA. Skripsi thesis, Universitas Pembangunan Nasional Veteran Jakarta.
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Abstract
The boom is one of the main components of an excavator, playing a crucial role in digging and material handling operations. This study aims to optimize the boom design of a 7.5-ton class excavator using a Finite Element Method simulation approach. The optimization was conducted to obtain a lighter boom design without compromising structural strength. Simulations were carried out using ANSYS by comparing the structural performance of the existing design made of Q345B with two alternative materials, namely S700MC and HARDOX 400. The analysis involved evaluating maximum stress, displacement, safety factor, and natural frequency. The simulation results show that the optimized design can reduce the boom’s mass by more than 10% while still meeting the required safety factor and maintaining a natural frequency above 15 Hz. The optimized boom design using HARDOX 400 material proved to be the most optimal, as it resulted in the lowest mass, acceptable stress levels, and favorable dynamic characteristics.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Additional Information: | [No.Panggil: 2010311084] [Pembimbing: Sigit Pradana] [Penguji 1: Budhi Martana] [Penguji 2: Fahrudin] |
| Uncontrolled Keywords: | excavator boom, design optimization, finite element method, mass reduction, safety factor. |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures |
| Divisions: | Fakultas Teknik > Program Studi Teknik Mesin (S1) |
| Depositing User: | EVAN HADI AR-RAFI |
| Date Deposited: | 11 Aug 2025 07:53 |
| Last Modified: | 11 Aug 2025 07:53 |
| URI: | http://repository.upnvj.ac.id/id/eprint/39543 |
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