2 The Establishment of Finite Element Model The linear vibrating screen of this model is mainly composed of screen box, exciter, ... Fig. 1 Vibrating screen finite element mesh model. Structural Analysis and Optimization Design of Linear … 831 2.2 Simulation of Excitation Force
The finite element model was finished in ANSYS, as shown in Fig 3. Fig. 3. Finite element model of vibrating screen PKOK k~ Å'~ =¯ ~Å'~¯ Å'ƺ Ư=~ ~ ºÆº= Natural characteristic is composed of natural frequency, natural vibration modes and other modal parameters.
In order to investigate the change of vibrating state of vibrating screen's girder before and after appearance of cracks on the girder, ABAQUS-based finite element analysis on modality and forced vibration state is made with the girder of the AHS3661 vibrating screen as the object study. Analysis shows that in the absence of cracks, the simulated …
Research on impact characteristics of screening coals on vibrating screen based on discrete-finite element method. Zhenqian Wang School of Mechanical and Vehicle Engineering, Linyi University, ... which then affects the reliability of the vibrating screen. In this study, an orthogonal experiment was designed, and the …
1. Introduction. With the increasing demand for cleaner coal, modern coal washing plants are becoming popular in various coal enterprises [].Vibrating screen is an important screening device in coal processing plant [].The operation status of that has a significant impact on the efficiency and safety of coal processing, and severe failure will …
For the finite element model of the vibrating screen, hexahedral and tetrahedral meshing with different sizes were used based on the structural forms of …
Long et al. derived a finite element model for a cracked beam subjected to a bidirectional base excitation in a vibrating screen, and conducted a computer simulation to examine the influence of the crack depth on the natural frequencies of the beam [6].
Vibrating flip-flow screens (VFFSs) provide an effective solution for deeply screening moist and fine-grained minerals, and an accurate dynamic model of VFFSs is critical for its dynamic analysis and optimization, thereby improving the vibration stability and symmetry of VFFSs. In this paper, uniaxial tension, uniaxial compression, plane tension, and shear …
In this paper a finite element analysis (FEA) on a reconfigurable vibrating screen (RVS) is carried out to determine whether the structure will perform as desired …
Firstly, to make sure the accuracy of simulation, the three-dimensional finite element model of a vibration screen is strictly built to maximize consistency with the real screen, and …
In this paper, we simulated the complex particle flow-behavior and screening efficiency on a linear vibrating screen using the Discrete Element Method (DEM). The …
Fatigue failure analysis of vibrating screen spring by means of finite element simulation: a case study XIV International Conference on Computational Plasticity. Fundamentals and Applications COMPLAS 2017 E. Oñate, D.R.J. Owen, D. Peric and M. Chiumenti (Eds) FATIGUE FAILURE ANALYSIS OF VIBRATING SCREEN SPRING BY
According to the structure and mechanical characteristics of vibrating screenthe beam-shell element model was put forwardand the solution of key problem in finite element modeling was given.Using ...
In this study, to focus on the problems of a negative pressure vibrating screen, a three-dimensional model of the exciter and the screen is established by using the modeling software, and a finite ...
The finite element model of the combined vibrating screen was established by using ANSYS. Modal characteristic analysis and static analysis on the whole unit of screen box were done, and natural frequencies and modal shapes in the top 15 orders were obtained, distribution regularities of stress and deformation of each part of the screen box under …
Further analysis would include employing finite element method to determine stress levels in undamaged and damaged coil spring along with numerical estimation of fatigue life. View full-text Article
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The stretching of the vibrating screen surface is approximately 2.5%. Therefore, in this study, the Mooney–Rivlin model with two parameters was selected for finite element analysis of the vibrating screen surface. The two-parameter Mooney–Rivlin model is represented by Equation (7).
In order to study the stress distribution of dual-frequency vibrating screen and ensure the screen box has sufficient strength and longevity, a finite element model of dual-frequency vibrating screen was built, and the stress, modes and fatigue life of the screen box were analyzed. The results indicate that, the stress concentration appears at the contacting …
behavior has been studied by means of finite element analysis and compared with data obtained from a real case scenario, in which a helical spring failed. The 3D …
The finite element model was finished in ANSYS, as shown in Fig 3. Fig. 3. Finite element model of vibrating screen PKOK k~ Å'~ =¯ ~Å'~¯ Å'ƺ Ư=~ ~ …
DOI: 10.1016/J.CSEFA.2017.04.001 Corpus ID: 116442590; Failure and sensitivity analysis of a reconfigurable vibrating screen using finite element analysis @article{Ramatsetse2017FailureAS, title={Failure and sensitivity analysis of a reconfigurable vibrating screen using finite element analysis}, author={Boitumelo …
Based on this, the dynamic models of the beam structure can be established by applying the finite element method, taking into account the motion characteristics of the vibrating screen beam. The model can better reflect the inherent relationship between the dynamic performance of the system and its structural and material parameters in a more ...
In order to enhance the stability and reliability of the vibrating screen, modal and harmonic response characteristics were simulated and analyzed using the finite element method. The final assembly model was established in Creo, serving as an intermediate format for material definition and mesh accuracy verification. The analysis …
Modal characteristics and finite element analysis of the screen box for ultra-heavy vibrating screen. Proceedings of the Third International Conference on Information and Computing, 4-6 June 2010. IEEE, New York.
Finite element model of vibrating screen 4. Modal analysis Modal analysis is mainly to solve the natural characteristics of the system, including natural frequency and natural vibration mode. The ...
A drive beam from a vibrating screen fractured in service. ... These investigations are mainly focused in developing finite element models for stress and modal analysis. This work presents the results of a failure analysis investigation conducted to analyze the fracture of a drive beam of a vibrating screen from the mining industry. The ...
for Finite Element Analysis. The assembly of the modified vibrating sifter is as shown in fig. 2. Fig. 2Modified Vibrating Sifter C. Finite Element Analysis FEA is carried out to verify the design. Meshing and pre-processing (applying forces and constraints) is done using Hypermesh V12 whereas actual processing is done
Abstract: The model of ultra-heavy vibrating screen has been established by using finite element analysis software ANSYS, the stress distribution of the screen box has been revealed under static load, meanwhile, analyses dynamic characteristics of the screen box structure for ultra-heavy vibrating screen, then, has gotten the low order natural …
Dynamic analysis of a dashpots equipped vibrating screen using finite element method. Physicochemical Problems of Mineral Processing, 57 (2021), pp. 112-126, 10.37190/ppmp ... Modal characteristics and finite element analysis of screen Box for ultra-heavy vibrating screen. 2010 third international conference on information and …
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