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13

2023-03

Working principle of Linear vibrating screen

Linear vibrating screen can sieve, classify and de-mix powder and granular materials (material range: 400 mesh non-viscous dry powder and granules with water content >7%); it can also have a coarse filtering of solid-liquid mixture, it is suitable for assembly line operation. What is the working principle structure diagram of linear vibrating screen?Linear vibrating screen working principleLinear vibrating screen adopts two motors placed in reverse to produce reverse force synchronously, forcing the screen body to do vertical movement; the material on the linear vibrating screen surface throws forward or moves in a straight line under the action of vibration force periodically, so as to achieve the purpose of material classification or impurity removal to complete the entire screening process.Linear vibrating screen functionPowder and granule grading: material grading is decided according to the screen holes of different sizes and diameters on each layer; different mesh size corresponds to different screen holes, and the hole size determines the particle size; due to the different particle sizes of the required materials, 1-7 layers of screens with different particle sizes can be selected according to user requirements; the mesh size can be selected according to the materials.Large particles or foreign matter removal : remove the part of the material that does not belong to or is superfluous, also called impurity removal; Use the different material shape, specific gravity or particle size in the linear screening to carry out impurity removalLinear vibrating screen structure diagramThe structure of linear vibrating screen mainly includes: screen box, screen mesh, dustproof cover, inlet, outlet, vibrating motor, spring, support, etc.Screen box: a variety of different thickness and strength, good hardness of steel plate, it is the main component of the linear vibrating screenScreen mesh: 4 kinds of screen mesh are available, such as carbon steel, stainless steel, brass and bronze.Dustproof cover:
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13

2023-03

Vibrating screen operation instruction

Many people will have such a question, vibrating screen quality is no problem, why still can not achieve the ideal screening effect? In fact, in addition to the quality of the vibrating screen, the screening effect is also related to the use of the vibrating screen, only operate in accordance with the standard operation, the vibrating screen normal operation can be ensured and the screening effect can be achieved. As a vibrating screen manufacturer, Yuanben will introduce the correct use of vibrating screen.1. Routine inspection before starting the machineIt is necessary to conduct a deep inspection of the vibrating screen status to see whether the starting device is good before each use, whether the contact surface with the ground is smooth, whether the bolts of each part are kept tight, whether the spring parts are missing or broken, and whether the screen mesh is broken. At the same time, check whether there is enough lubricating oil inside the exciter, if lubrication is insufficient, add lubricating oil in time. Check and clean up the sieve surface debris to avoid starting with load. Only after the above steps are completed, can the machine be started up and came into operation.2. Keep attention in operationIn the process of use, keep an eye on the running status of the vibrating screen, observe whether the overall operation of the vibrating screen remains stable, whether there is impact and friction of the moving parts, and whether there is a strange noise of the exciter. In addition, extra attention should be paid to the feeding process to ensure that the feeder is evenly fed to avoid the formation of material accumulation due to uneven feeding, which affects the screening accuracy and screening efficiency. If there is a fault such as tripping and noise during operation, it should be stopped in time for inspection, and the power must be cut off for maintenance and adjustment, please contact with the central control room, and take necessary safety precautions.3. Clean up timely after stopping the m
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13

2023-03

Analysis of the cause of vibration screen motor burning

During the operation of vibrating screen, the phenomenon of motor burning occurs from time to time especially in the hot weather in summer, what are the causes of this phenomenon? How to effectively prevent it?1.Loose anchor boltLoose foot bolt is one of the main faults that cause the vibration motor to burn, due to the special structure of the vibration motor, the eccentric blocks located at two ends which are driven by motor will generate the excitation force, the impact force on the anchor bolt can reach several hundred times per minute, or even several thousand times.Under the action of the huge excitation force, it is easy to cause the motor anchor bolt loose, one anchor bolt loose and will soon cause other bolts loose, if not found in time, it will cause the anchor bolt fracture and motor burning.Preventive measures.(1) Adopt high-strength bolts, the strength of anchor mounting or flange mounting bolt shall not be less than 8.8 grade.(2) Reinforce the anchor bolt frequently, the motor anchor bolt should be tightened several times at the beginning of operation.(3) Increase the anti-loosening device, each nut must be added under the elastic washer, double-nut fastening should be used if necessary.(4) Maintain the motor footing surface and the foundation base plate with a good contact, all anchor bolts should maintain an uniform force.Special attention should be paid to the selection of vibration motor shell materials, some vibration motor foot surface is on the housing (i.e., shell and seat are integrated), it can ensure that the shell and foot surface is integrated in processing, the level of the entire motor can also be guaranteed, so that the motor is not easy to cause loose anchor bolt during installation.There are some vibration motor foot surface is not connected to the shell, because the foot surface is fixed after installation, it is easy to produce errors due to assembly and other reasons, resulting in the foot surface is not on a level,  it will cause bolt loosening due to uneven
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