NDLI: Prediction of Material Failure Time for a Bucket Wheel Excavator Boom Using Computer Simulation

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Prediction of Material Failure Time for a Bucket Wheel Excavator Boom Using Computer Simulation

Content Provider	MDPI
Author	Andrei, Andraș Ildiko, Brînaș Daniela, Ioana Budilică Radu, Sorin Mihai Popescu, Florin Dumitru Korozsi, Eva Biro
Copyright Year	2021
Description	Breakdown of stackers and excavators in opencast mines is possible because of operating, manufacturing and structural causes, and it produces high financial losses. These can be prevented by using various measures, including analyses and strength tests, with computerized modeling and simulation using FEA or other techniques being implemented in the recent years. In this paper a fatigue study is conducted on the boom of a BWE. Based on a computer model of the boom previously developed in SOLIDWORKS by our author team, first the modal analysis is conducted for three positions of the boom by studying the frequency response during the excavation process. This is followed by the time response determination corresponding to the maximum displacement frequency, in order to assess the stress during the excavation process, which causes the material fatigue in the boom structure. It was found that the maximum displacements appear when the BWE boom operates in a horizontal position. The aim was to estimate the period of time to failure in order to prevent unwanted accidents, and to develop a method that is applicable to any surface mining or industrial machine with similar structure.
Starting Page	7897
e-ISSN	19961944
DOI	10.3390/ma14247897
Journal	Materials
Issue Number	24
Volume Number	14
Language	English
Publisher	MDPI
Publisher Date	2021-12-20
Access Restriction	Open
Subject Keyword	Materials Fatigue Damage Bucket Wheel Excavator Boom Time Response Strain Stress
Content Type	Text
Resource Type	Article

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