The output of vibrating screen and its damage rate is proportional to the larger the output, the higher the frequency of use is easier to fail, this is the inevitable result, then the vibration screen network common fracture reasons and the corresponding solutions are summarized as follows:
There are 4 main reasons for the failure of vibrating screen box cracking and beam fracture:
1. The screen box side plate is not thick enough or the diameter of the beam pipe is small, resulting in the screen machine can not adapt to the harsh production environment, cracking phenomenon;
2. Vibration screen deflection vibration caused by cracking;
3. The connection between the vibrator and the screen box is loose or the fasteners such as the screen screen in the screen box are loose, which resonates with the vibrating screen and causes cracking failure;
4 production load is too large, resulting in equipment overload operation, can not bear the occurrence of screen box cracking, beam fracture failure;
What are the solutions to the cracking of the vibrating screen side plate and the fracture of the screen beam? According to the formation of different reasons of the vibrating screen failure should take what solution to deal with.
YK circular vibrating screen
1, the strength of the equipment itself is not enough to cause fault transformation processing
For some of the early equipment, the steel plate used in the screen box is δ16mm steel plate, only in the shaker near the reinforcement plate, but not in the other 4 main stress points, namely the four support feet, the screen box near the support feet will crack several times during operation.
Treatment method: by processing the reinforcement plate, using the original bolt hole on the screen box, install the reinforcement plate near the 4 supporting feet, in order to strengthen the strength of the side plate of the screen box.
2, vibration screen deflection caused by the transformation of the fault treatment
1) unbalanced supporting foot screen box deflection
After running for a period of time, affected by the material imbalance, will cause the support foot damping spring deformation is inconsistent, cause unbalance, irregular vibration track, vibration screen pendulum, both sides of the screen box pull each other, a little longer will cause the screen box tear, beam fracture.
Treatment method: Improve the feeding situation by modifying the shaker into the hopper, and regularly measure the height of the damping spring of the supporting foot to ensure the balance of the supporting foot.
2) shaker failure or inconsistent force caused by the screen box pendulum
Vibrating screen vibrator such as the operation of the eccentric block loose fall, maintenance process on the bearing tanker amount caused by inconsistent resistance, will lead to vibration screen amplitude inconsistent, asynchronous and other problems, resulting in irregular vibration track.
Treatment method: Check all parts regularly to ensure that the equipment is fault free, and when lubricating, quantitative lubrication is used for each shaker bearing to ensure that the resistance of grease in each shaker to the shaker is roughly the same, to ensure that the vibration track is normal.
Vibration screen box cracking, beam fracture of various reasons, according to the specific situation analysis and improvement, by checking the vibration screen load, vibration, parts of the installation fastening situation, find the cause of the accident, to solve the problem, to ensure the safe and smooth operation of the equipment.
3. Modification and treatment of resonant fault
In actual production, due to the harsh working environment, the screen press plate will loosen, and the screen material will produce plastic deformation. After running for a period of time, the screen relaxation and vibration screen steel beam relative vibration, when the relative vibration and vibration of the vibration of the screen itself resonance, it will have a great threat to the screen box and beam.
Treatment method: To improve the vibrating screen surface support bars, increase the number of supporting bars in the middle of the screen (from 3 to 5), and each root is consistent with the middle of the root, with the installation of fixed bolt function, through a plurality of pressing plate, to ensure that the screen fixed reliable, unable to reach resonance.
4. Reconstruction measures for equipment failure caused by production load
First of all, we need to know why overload occurs. Details are as follows:
1) Influence of material characteristics
Material viscosity is large, difficult to screen, so that the formation of thicker material layer on the screen surface, resulting in the upper material in the appropriate size can not screen, the actual load exceeds the rated load of the equipment, causing failure.
Treatment method: can properly increase the tilt Angle of the vibrating screen, so that the screen surface sliding speed increases, the thickness decreases.
2) Influence of screen selection
Large mines, generally choose polyurethane material screen, which is divided into plate screen and strip screen two kinds, the former long service life, good material conditions, suitable for selection. But if the material is difficult to screen, easy to cause screen area material, resulting in equipment overload operation failure.
Bar screen because it is conical, in the case of the same standard aperture, its above aperture is larger than plate screen, so the bar screen has better through performance.
Treatment method: Replace the original plate screen with strip screen.
In short, the customer in the use of the operation method is correct, whether to carry out regular cleaning and maintenance work is more important, and these are usually the source of frequent vibrating screen failures, so the scientific and reasonable use of screening equipment can really improve production efficiency and product quality.
About Transportation
After you place the order and pay the deposit, we will start to arrange the production and contact the ocean freight transportation agency to reserve the position. Two days before the end of production, you need to complete the final payment. Then, we inform the ocean cargo transportation agent company that it is ready to come to the factory to pull the goods to the port. On the day of delivery, we will send the customer the factory video and pictures, and mark the corresponding English name of each product and product parts with a marker to prevent the customer from not knowing what each part is after receiving the goods. At the same time, we will put the English version of the product instructions in the cargo box. We generally select freight forwarders with preferential prices for customers to deliver goods for you. The shipping method can be FOB or CIF. You can also choose EXW, and then contact the goods agent company yourself.
FAQ
1. Who are we?
Our headquarters is located in Henan, China, and our factory was established in 2002. At present, there are more than 100 workers, technical engineers, foreign trade sales personnel, and administrative personnel. The factory covers an area of more than 2000 square kilometers and is mainly engaged in vibrating screening and conveying and feeding equipment.
2. How do we guarantee the quality?
Always provide pre-production samples before mass production; Always carry out a final inspection before shipment.
3. What can you buy from us?
You can purchase a vibrating screen, roller screens, rotary screens, vacuum conveyors, mixer, and customized vibrating machinery and conveying equipment in our factory.
4. What are our strengths?
As one of the old enterprises in the screening industry, Tianfeng has provided a large number of screening equipment and systems at home and abroad. Mass production, rapid delivery, stable quality, affordable price, and excellent after-sales service have become the symbols of Tianfeng.
5. What services can we provide?
Accepted delivery conditions: FOB, CFR, CIF, EXW, CIP, FCA, CPT, DDP, express;
Accepted payment currency: USD, EUR, RMB;
Type of payment accepted: telegraphic transfer, letter of credit, express remittance, credit card, PayPal, Western Union remittance, cash, custody;
Oral: English, Chinese, French.
6. What information do we need to help you choose a perfect machine?
-Name and characteristics of raw materials.
-Purpose of use: remove impurities, filter, and grade.
-Processing capacity: kg/h, L/h.
-Raw material size: (mesh or mm).
-How many floors do you need?
-Voltage, frequency, phase (single-phase or three-phase) Note: You'd better send us the relevant pictures or materials you want to filter, which can ensure that we recommend the appropriate machine for you.
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