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  • STATIC ANALYSIS OF MINI HYDRAULIC BACKHOE …

    The force analysis and strength analysis are important steps in the design of excavator parts. Finite Element Analysis (FEA) is the most powerful technique used to evaluate strength of the structures working under high loads. This paper focuses on the solid modeling of the mini hydraulic backhoe excavator intended for light duty

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  • Finite Element Analysis of an Excavator Arm using CAE Tool

    Method: By using, CAE software Pro/E, the three dimensional (3-D) model of working mechanism in big arm of an excavator, was established. The finite element analysis (FEA) software ANSYS were used to analyze the stiffness, and strength of excavator design.

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  • Doosan introduces its largest, most powerful excavator for

    Dec 15, 2020 · Doosan unveiled the DX800LC-7 excavator at CONEXPO-CON/AGG 2020. It's now available for order. (SUWANEE, Ga. – December 2020) Doosan Infracore North America has expanded its excavator lineup with its largest model yet. The new Doosan® DX800LC-7 excavator increases the company's footprint in the aggregate mining industry.

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  • Design Modifications and Analysis of Excavator Boom

    Bhaveshkumar P Patel, et. all [6],has done the analysis on all the excavator components like bucket, boom, arm, swing link. Stresses and deformation were found out. With this, analysis of excavator taking welding consideration is done in which strength of the material for the welding should be less than the strength of the base metal.

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  • A Review on Mechanical and Hydraulic System Modeling of

    A recent trend in the development of off-highway construction equipment, such as excavators, is to use a system model for model-based system design in a virtual environment. Also, control system design for advanced excavation systems, such as automatic excavators and hybrid excavators, requires system models in order to design and simulate the control systems.

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  • A Review on FEA and Optimization of Backhoe Attachment in

    Fig. 1 Structural model of Powerfab 360WT micro- excavator digging arm with the quality of the idealization dependent on the skill and experience of analysis using the ADAMS, it is

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  • Failure Analysis Of Machine Shafts - Efficient Plant

    Jul 16, 2012 · As the industrial arena grows more sophisticated, it seems as though operations are confronting fewer and fewer broken machine shafts. When shafts DO break, however, there are almost always as many theories regarding the suspected culprits as there are people involved. Fig. 1 The appearance of an overload failure depends on whether the shaft material …

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  • An analysis of a fracture in a mining excavator arm using

    The purpose of the study was to analyse the defect identified on the excavator arm using quality management techniques. These techniques were the Ishikawa diagram and the 5Why method. In the plant, unit faults on various types of machines were detected. The fracture on the excavator arm was identified, however, the cause of the problem was not known.

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  • Failure analysis and reconstruction design of the slewing

    Mar 01, 2011 · The ongoing bucket wheel excavators (BWE) exploitation in extremely heavy duty conditions causes failures of their structural parts – plastic deformations, cracks and fractures,,,,, .Failures always cause direct as well as indirect costs due to the downtime that substantially diminishes the effects of BWE exploitation.

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  • Customised Mining Buckets - Mining Equipment Engineering

    mining bucket taking into consideration application specific requirements such as loading practices, material density and abrasiveness, potential for hang up and dump height clearances. Using the latest in engineering software, including EDEM and ANSYS, we detail designs, test the theory with finite element analysis, engineer for manufacture

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  • mining engineering: October 2010

    Oct 31, 2010 · A second hydraulic circuit is available for equipment that requires simultaneous movements. • Easy and quick maintenance. The simple opening of the engine hood makes refilling and periodical checks easy. In addition, the tilting radiators can be …

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  • Failure Analysis and Optimization of Excavator Arm - A Review

    failure occurs frequently at the bucket end of the arm. So, the new mechanism of excavator arm is designed and the Pro-e software is used for making the 3D model of the excavator arm linkage. By using ANSYS workbench software static analysis of each of the excavator arm

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  • Analysis of quenching heat treatment, martemper on

    Microstructure analysis and hardness analysis has been carried out on cast steel for components of soil digging machines due to heat treatment of quench, and martemper. The presence of residual austenite causes wear resistance and reduced fracture strength in the earth quarry component to function as a support for the designed arm. In its manufacture, it uses metal casting technology and heat

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  • Energies | Free Full-Text | Determination of the Bucket

    Starting from the general principles of material cutting, with applicability to coal and overburden excavation using bucket wheel excavators (BWEs), this paper proposes another method for calculating the drive power of the bucket wheel excavator by computer modeling. This approach required two steps. In the first step, the volume of the excavated material for one slewing movement of the boom

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  • FINITE ELEMENT ANALYSIS OF COMPONENTS OF …

    340 Int. J. Mech. Eng. & Rob. Res. 2014 R M Dhawale and S R Wagh, 2014 FINITE ELEMENT ANALYSIS OF COMPONENTS OF EXCAVATOR ARM—A REVIEW R M Dhawale1* and S R Wagh1 *Corresponding Author: R M Dhawale, [email protected] Excavators are intended for excavating rocks and soils.

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  • (PDF) Design and Finite Elements Analysis of a Hydraulic

    Excavator arm analysis and optimization using cad software and FEA analysis are seen in different studies [25]- [27]. ANSYS Software is used for the excavator boom performance analysis [28].

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  • Determination of Residual Fatigue Life of Welded

    Jan 01, 2018 · ECF22 - Loading and Environmental effects on Structural Integrity Determination of Residual Fatigue Life of Welded Structures at Bucket-Wheel Excavators throu h the Use of Fracture Mechanics M. Arsića, S. BoÅ¡njakb, N. Gnjatovićb, S.A. Sedmakc, D. Arsićd, Z. Savića Institute for materials testing, 11000 Belgrade, Serbia

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  • (PDF) Strain gauges measurements and FEM analysis of

    The chassis of open cast machines like mobile transfer conveyor consists of up to 12 caterpillar tracks Tehnički vjesnik 20, 4(2013), 655-658 655 Strain gauges measurements and FEM analysis of elements of chassis of open cast mining machines P. Maślak et al. 3 Boundary conditions Nowadays standards state that the friction is held at the value

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  • Bucket wheel excavator: Integrity assessment of the bucket

    Jan 01, 2011 · In case of their possible failure, the excavator inevitably collapses. A potentially critical spot is the welded connection of the eye-plate and tie-rod body, Fig. 7, framed detail 'A'. The connection is made by arc welding (designation 111 according to ), using the coated basic electrode.

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  • (PDF) Failure Analysis of the End Eye Connection of the

    Moreover, various types of fracture (fatigue, Accident investigations transition, brittle) and their uneven fraction observed on fracture surfaces are induced Bucket wheel excavator Failure analysis by structural characteristics of the base metal, welding technology and the construction Finite element analysis itself.

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