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Bucket wheel excavator cutting tooth stress and deformation analysis during operation using Finite Elements Method (FEM)

Brinas I. K., Rebedea N. I., Oltean I. L.

Mining – Informatics, Automation and Electrical Engineering

2018

R. 56, nr 4

9--13

In the case of bucket wheel excavators, the cutting process is influenced by the forces opposing the working elements and cutting tools. These forces determine the choice of machines and their parameters as well as the operating method [1, 2]. Studies conducted on the failure causes of mechanical parts show that the cutting and loading systems cause the highest rate of failure – about 32% of all recorded mechanical failures [3]. In this paper, we will use the Finite Element Method (FEM) to analyze the deformations and stresses acting on the cutting teeth mounted on the rotor of BWEs. For this, Solid- Works® software was used, both as a CAD tool to design the teeth as well as to model and simulate the phenomena.