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Finite Element Analysis for a Knuckle Crane Boom

Mohamad Refaee, Mohd Ashraf Arif (2011) Finite Element Analysis for a Knuckle Crane Boom. Universiti Teknologi Petronas. (Unpublished)

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A knuckle crane is a very unique crane due to its ability to bend and reach the place near it based and increased in payload with smaller size body compared to other crane. In order to implement the used of knuckle crane in various condition, an analysis should be done to understand the behavior of the crane. From the result of the analysis, a solution can be made possible as to increase the ability of the crane and make it more efficient in various working environment. The project objectives are to study the stress profile on the knuckle crane boom using finite element analysis method. The effect of the different material on the maximum stress of the crane under specific load will be included in the scope of study. In this project, a 3D model of knuckle crane boom is made using Autodesk inventor 2012 based on the drawing of the reference crane that is selected. The model of the knuckle crane boom is drawn in 3 parts which each part of the crane is assembled before the model is simulated using finite element method. Load is applied to the model based on the load chart provided with the reference model throughout the simulation process. Second objective is achieved by assigning different material on the model and simulated. Result will be compared again current material which is high-strength low-alloy steel and recommendation will be made. The project result will identity the maximum location of stress profile on the boom structure and the best material that can be used in crane manufacturing process. Stress analysis on the model based on the load chart proves that the highest concentrated stress is at the assembly point where the area is small enough to develop high stress. Second reason for the stress distribution to behave as shown in the result is due to the existed joint, pin joint, between the main boom and the second boom structure. Thus, it can be concluded that the strength of the joint is more as the contributed factor to the limitation of the crane lifting capability compared to the boom itself. It is proved that stainless steel 440c is the best material for boom manufacturing and it is believed to be one of the solutions for high end crane product. However, the process of implementation the material in current world might have some difficulty in term of cost and manufacturing ability.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Manufacturing - Fabrication, forming and shaping - Rapid manufacturing
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:54
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/7385

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