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More often than Manufacturers admit, Designers plan for, or Operators staff for, a vibrating screen succeeds and self-destructs. This is a problem. It can magnify with larger vibrating screens. Design and …
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support structure for vibrating screens, in a modular structural steel building, which forms a part of a modularized mining plant. Initially, the paper discusses the concepts of modular construction and the fundamentals of vibratory screens. Then, the issues about design of metallic structures supporting vibratory screens are addressed.
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Wang Lijun, Zhang Chuangen, Ding Zhenjun. Optimization of the structure of the cleaning sieve of the corn harvester[J]. Journal of Agricultural Machinery, 2016, 47(9): 108--114. ... Ning Youjun. Dynamic simulation analysis of screening process and effect of linear vibrating screen[J]. Mechanical Design and Research, 2020, 36(02): 163--168 ...
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Therefore, adequate design of a building that supports suspended vibrating screens requires accurately interpretating the manufacturer's data, choosing an optimal structural analysis model and applying the appropriate …
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put forward a parallel double sieve box structure, then the spatial Lissajous trajectory vibrating screen is designed. Keywords: Lissajous spatial trajectory Vibrating screen Design 1 Introduction Vibrating screen is the key equipment for material separation and is widely used in construction, mining, agriculture and petroleum [1].
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Aiming at the design defects of the existing structure of the linear vibrating screen, the finite element analysis model of the linear vibrating screen was established by Abaqus finite element analysis software. The modal characteristics and dynamic stress distribution were studied, and an improved scheme was proposed.
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In order to effectively reduce the failure rate of vibrating screens, a vibration monitoring system design was proposed based on the structure and working principle. The system should be able to monitor the operating state of the vibrating screen in real time, including vibration amplitude, frequency, axial displacement, etc., and be able to detect abnormal …
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This research provides a reference for the design of the domestic circular vibrating screen. ... The structure of the vibration exciter is relatively complex, which will affect the calculation ...
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The authors present a new design of a hyperstatic net-beam structure and an optimal dynamic analysis of the vibrating screen. Finite element models of the screen were …
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The authors present a new design of a hyperstatic net-beam structure and an optimal dynamic analysis of the vibrating screen. Finite element models of the screen were developed and the new screen proves to have much higher structural strength with an enhanced dynamic behavior.
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Design of Vibrating Screen Separation Equipment for Powder Materials, Yanbiao Wei, Chong Tao, Lei Zheng, Mingyu Huang ... The vibrating screen has absolute advantages in the sorting equipment due to its simple structure, reliable operation and large processing capacity. Therefore, the vibrating screen is widely used in powder material sorting ...
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Vibrating screens are renowned for their simple, durable, and sturdy structure. The unique structure of vibrating screens makes them less expensive than complicated vibrating screeners. Not only this, but the operational cost of vibrating screens is low as it consumes much less power and energy, resulting in reduced operating costs. 2.
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PDF | On Jan 1, 2015, Qiulan Guo published Structure analysis and optimal design of the vibrating screen girder of hoisting machinery | Find, read and cite all the research you need on ResearchGate
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This paper presents the design methodology for carrying out vibration analysis of the support structure for vibrating screens, in a modular structural steel building, which forms a part of a …
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The reliability is a key factor for the design and manufacture of large vibrating screen. In the paper, we presented a new large vibrating screen with hyperstatic net-beam structure.
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In reality, a large vibrating screen, which has a screen surface width of no less than 3.6 m and a screening area of no less than 20.0m 2, usually oscillates with extremely complex dynamic characteristics of the screen body [10,11].As shown in Fig. 2 (b), generally, except for the dominated strong alternating load yielded by two box-type exciters, a large vibrating screen …
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Three approaches were followed: (i) an industry survey and comparison of existing conventional vibrating screens, (ii) a survey of new trends in vibrating screen machines, and (iii)...
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DOI: 10.2991/ISRME-15.2015.322 Corpus ID: 109002246; Structure analysis and optimal design of the vibrating screen girder of hoisting machinery @inproceedings{Guo2015StructureAA, title={Structure analysis and optimal design of the vibrating screen girder of hoisting machinery}, author={Qi Guo}, booktitle={International Conference on Interaction Sciences}, year={2015}, …
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The design of structures supporting vibrating screens J.J. ROZENTALS* (Member) Synopsis Vibrating screens are one of the most common sources of troublesome medium frequency vibrations in the mineral dressing industry. Two methods of designing supporting structures are discussed in this paper, and some observations from practical experience are ...
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Because the three- layer circular vibrating screen works at a frequency of 13 Hz, the sweep frequency range of the harmonic response analysis is 10-15 Hz, and the influence of the exciting force on the vibrating screen is analyzed every 0.5 Hz. The equivalent stress cloud diagram of the vibrating screen at the operating frequency of 13 Hz is
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For large linear vibrating screens, the design standards now require an increased number of cycles. 3,4 However, the structural failure of the beam structure of large vibrating screens is common during actual processing operations, which causes disruptions in the entire processing system. 5–7 Consequently, it's crucial to consider the ...
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In this paper, the modal analysis and dynamic simulation of a large linear vibrating screen are carried out by using Abaqus, a large general finite element software, and an …
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In the working process, due to the inappropriate design of the structures and the unsuitable parameter settings, the vibrating screen is prone to underload or overload conditions, which results in ...
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The kinetic characteristics of screen mesh during the screening process, directly reflecting its bearing condition, are the basis of further optimization design of screen mesh (Chen, Yu, Gong, & Wang, 2021; Tang, Niu, Xiong, & Jie, 2020).Scholars have studied the kinetic and structure characteristics of laboratory scale vibrating of screen mesh loaded with materials.
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Dynamic design of large vibrating screen structure by FEM is an advanced technology that is quite different from the traditional static design method. Expect for the fundamental dynamic analysis and the optimal design of the screen body by FEM analysis, the DEM can also be used to obtain the dynamic load of coal particles on the screen ...
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In the Chinese national standard GB50385-2018, Design Standards for Large Headframes in Mines, simulation methods should be used for dynamic analysis of large headframe structures in mines [19].
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In this work, an attempt has been made to screen the coal of size −2 + 1 mm from −3 + 1 mm using a 2 mm screen mesh in the vibrating screen generated at different moisture content, angle, and ...
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We used finite element method (FEM) to analyze dynamic characteristic of large vibrating screen with hyperstatic net-beam structure. Multi natural frequency, natural modes of …
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The design of vibrating screen mainly considers the structure, dynamics, user interface and control system and other performance aspects. Its design principles are clear design goals, safety and maintainability.
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Demand for large vibrating screen is huge in the mineral processing industry. As bending and random vibration are not considered in a traditional design method for beam structures of a large vibrating screen, fatigue damage occurs frequently to affect the screening performance. This work aims to conduct a systematic mechanics analysis of the beam …
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