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Large vibrating screen is extensively used in coal processing because of its large production capacity. In this study, a novel large vibrating screen with duplex statically indeterminate mesh beam structure (VSDSIMBS) was presented. The dynamic model of VSDSIMBS was proposed, and characteristic parameters were obtained by theoretical calculations.
Get PriceA vibration test and modal analysis has been completed, in order to improve the use reliability and extend service life of the large vibrating screen. Accurate natural frequency, modal shape, modal damping and some other modal parameters is got in the presented work.
Get PriceFinally, the hammering test was done to verify the theoretical analysis. And it also provided a necessary theoretical basis for the design and improvement of the entire shaker. Statics and Modal Analysis for Large Vibrating Screen | Scientific.Net
Get Price2009-9-1 · Dynamic characteristic of the vibrating screen was researched and dynamic simulation method of large screening machines was explored. We used finite element method (FEM) to analyze dynamic characteristic of large vibrating screen with hyperstatic net-beam structure.
Get Price2015-6-1 · 2.2. The Similarity Experiment of Modal Parameters of the Large Vibrating Screen. The prototype of the 27 m 2 large linear vibrating screen with width of 3.6 m and length of 7.5 m is shown in Figure 1(a).The single-point excitation and multipoint response method was used to test the modal parameters and the HP5423A structure dynamic analyzer was used to get frequency response …
Get Price2020-6-18 · A method for damping spring failure diagnosis of a large vibrating screen is proposed in based on static deformation test. Influence of material and produced loads on screen vibration is analysed in [ 67 , 68 ].
Get Price2014-4-25 · Based on the statics theory, a novel and feasible twice-suspended-mass method (TSMM) was proposed to deal with the seldom-studied issue of fault diagnosis for damping springs of large vibrating screen (LVS). With the static balance characteristic of the screen body/surface as well as the deformation compatibility relation of springs considered, ...
Get Price2017-12-15 · Coals often cause structural damage of a large vibrating screen during large-scale screening process. In this paper, structural vibration and strain signal of a vibrating screen were tested and analyzed for investigating the dynamic influence of screening coals on the vibrating screen.
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Get PriceA vibration test and modal analysis has been completed, in order to improve the use reliability and extend service life of the large vibrating screen. Accurate natural frequency, modal shape, modal damping and some other modal parameters is got in the presented work. The result shows that there is one order frequency near working frequency of the vibrating screen and the modal shape is whole ...
Get PriceThe test results obtained are in good agreement with simulation results, and accord with conclusions made from FE analysis Topics: large vibrating screen, duplex statically indeterminate mesh beam structure, dynamic theoretical model ...
Get Price2009-9-1 · Abstract. 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. Dynamic characteristic of the vibrating screen was researched and dynamic simulation method of large screening machines was explored.
Get PriceCompared with a traditional unilateral-driven large vibrating screen, the proposed dual-side excitation large vibrating screen (DELVS) has a simpler screen structure and less vibration mass, which might improve its reliability. A DELVS with metal cylindrical coiled springs is theoretically and experimentally studied in this paper. With the rotation considered, a fundamental three-degree-of ...
Get PriceStatics and modal analysis for large vibrating screen. The 3D modeling software of Solidworks was used in the paper for the 3D modeling of large banana vibration shaker. And then the 3D model was imported into Ansys Workbench for finite element analysis. The overall stress and strain distribution of the shaker could be got under static loading.
Get PriceThe working frequency selection of the ZK30525 vibrating screen was studied using ANSYS. Integrating the dynamic performance simulation analysis of the vibrating screen structure, the variation laws of beams’ vibration displacements changing with different exciting frequencies were researched. These beams include six beams, with one discharging beam and one in-material beam.
Get PriceSimilar Experimental Study of Test Model and Prototype of Vibrating Screen WANG Yongyan ZHANG Zerong(College of Electromechanical Engineering,Qingdao University of Science and Technology,Qingdao 266061)
Get Price2017-12-15 · Dynamic influence of screening coals on a vibrating screen. Fuel ( IF 5.578 ) Pub Date : 2017-12-15 , DOI: 10.1016/j.fuel.2017.12.041. Liping Peng,Zhenqian Wang,Wenda Ma,Xihui Chen,Yuemin Zhao,Chusheng Liu. Screening is an indispensable unit operation in coal preparation. Coals often cause structural damage of a large vibrating screen during ...
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Get PriceDynamic characteristic and reliability of the vibrating screen are important indicators of large vibrating screen. Considering the influence of coupling motion of each degree of freedom, the dynamic model with six degrees of freedom (6 DOFs) of the vibrating screen is established based on the Lagrange method, and modal parameters (natural frequencies and modes of vibration) of the rigid body ...
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Get Price2019-7-30 · novel large vibrating screen with a duplex statically in-determinate mesh beam structure. rough the model analysisresultcomparisonswith thetraditionalvibrating screen, the superiority of this structure was verified [12]. Jiang et al. established a dynamic model and stability equations of the variable linear vibration screen and in-
Get PriceMain Features of Linear Vibrating Screen (Linear Screen) 1. Precision design: Compact design and simple structure, it is easy to assembly, operate and maintain, ideally suited for automatical operation in production line. 2. High screening efficiency: With high precision, large processing capacity, low noise and energy consumption, fully sealed ...
Get Price1. Large swing sieve parts shock absorbing spring is a key component in the vibrating screen. The selected model, quantity, material, etc. are calculated based on the excitation force and dynamic and static load parameters of the equipment.
Get Price2019-11-25 · A large number of mixed materials in different shapes and sizes are sent to sieve surface where only the selected particles will reach and touch the screen surface, while others will be filtered. The vibration in screen box will make the materials loose and the small particles will be separated and passed through the gap and transferred to the ...
Get Price2018-3-15 · Proper mechanical design of a large vibrating screen is vital to ensure the safety, reliability and stability of the screen operation. Generally, a vibrating screen is designed based on a linear single degree of freedom (s-dof) or an uncoupled 2-dof vibration model [8] , [9] .
Get PriceLarge-scale line vibrating screen is one of the most common used vibrating screen whose side panel crack fault is most common and the harm brought is maximum [1,2]. So, the research and monitoring for side panel crack of large-scale line vibrating screen has very important practical significance.
Get PriceOptimization of Vibrating Parameters for Large Linear Vibrating Screen. This thesis aims at the maximal productivity per unit power for linear vibrating screen. By means of MATLAB optimization technology, the optimal mathematical model of linear vibrating screen is established.On the basis of the actual design parameters for the 27m 2 linear ...
Get PriceFounded in 2009, Xinxiang Xianchen Vibration Machinery Co., Ltd.It is a vibration machinery and equipment company integrating R&D, design, production and sales. Xinxiang Xianchen Vibration Machinery Co., Ltd. It has a modern large-scale plant with an annual production capacity of more than 1,800 vibrating screen equipment.
Get PriceAbstract 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. Dynamic characteristic of the vibrating screen was researched and dynamic simulation method of large screening machines was explored.
Get PriceMain Features of Linear Vibrating Screen (Linear Screen) 1. Precision design: Compact design and simple structure, it is easy to assembly, operate and maintain, ideally suited for automatical operation in production line. 2. High screening efficiency: With high precision, large processing capacity, low noise and energy consumption, fully sealed ...
Get Price1. Large swing sieve parts shock absorbing spring is a key component in the vibrating screen. The selected model, quantity, material, etc. are calculated based on the excitation force and dynamic and static load parameters of the equipment.
Get Price2019-11-25 · A large number of mixed materials in different shapes and sizes are sent to sieve surface where only the selected particles will reach and touch the screen surface, while others will be filtered. The vibration in screen box will make the materials loose and the small particles will be separated and passed through the gap and transferred to the ...
Get PriceProduct Description. Tumbler screen is a special design of a new efficient screening machine in order to meet the requirements of large output and high density screening. The simple sifting is done by looking at the screen with eyes and screening with hands. The shaking sifting machine is a mechanical with simulation of that.
Get PriceA vibration test and modal analysis has been completed, in order to improve the use reliability and extend service life of the large vibrating screen. Accurate natural frequency, modal shape, modal damping and some other modal parameters is got in the presented work. The result shows that there is one order frequency near working frequency of the vibrating screen and the modal shape is whole ...
Get PriceLarge linear vibrating screen is composed of screen box, vibration motor, vibration damping system and underframe. The screen box is composed of tank body, upper cover, screen ...
Get Price2021-6-21 · vibrating screen, test screen, direct row screen, air flow screen, swing screen, vibration motor, various conveying and lifting equipment and others Vibration equipment accessories. Products are widely used in chemical, metal, mining, abrasives ...
Get PriceThe robust screen frame is manufactured, depending on the application, either in welded or in bolted and glued design. These screens can be driven by one or several IFE exciter drives or by a pair of IFE unbalanced motors. IFE linear motion vibrating screens can be equipped with all different kinds of screen mats available on the market.
Get PriceCustomer wanted to replace an existing vibrating screen due to frequent mechanical failure issues. Existing screen technology utilized the traditional brute force drive with large shafts, bearings, and motors. In the application, brute force screen technology typically had a useable life of around 1 year before mechanical failure occurred.
Get PriceSimilar Experimental Study of Test Model and Prototype of Vibrating Screen WANG Yongyan ZHANG Zerong(College of Electromechanical Engineering,Qingdao University of Science and Technology,Qingdao 266061)
Get Price2021-3-4 · Test run. 1. Close the power switch and run the machine empty for 20-30 minutes. The motors on both sides of the screen body should rotate in opposite directions in order to effectively counteract the lateral force. If the direction is not correct, please adjust the three-phase power supply. 2.Should confirm that the vibrating motor is running ...
Get Price2021-7-11 · GN Industrial Vibrating Screen’s Screen Type. Wedge Wire Screen Panel. Screen Open Size: 0.2-30mm. Wedge wire screen panels are welded, and the holes are wedge-shaped holes, not easy to block. Various opening specifications can be customized, …
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