Common failures and maintenance methods of vibrating screen
Vibrating screen is one of the indispensable equipment in crushing equipment and sand making equipment. It plays a vital role in the entire production line. The following is a summary of common failures and maintenance methods of vibrating screen.
1. The vibration motor rotates slowly and the bearing heats up. This situation indicates that the usual maintenance has not kept up, and the bearing is lack of grease. If it is newly added grease, it is a problem with the quality of the grease or the addition is too full. Inferior oil causes it. The bearing blocks the labyrinth seal, so the quality of the grease is very important.
2. The screening quality of the vibrating screen is poor. The reason is that improper operation has many responsibilities. It may block the mesh, increase the fine particles in the screened material and increase the moisture, so that the material layer on the screen is too thick, and the feeding is uneven. The two sides of the screen may not be stretched tightly. If the shaft is eccentrically vibrating, the belt may be weak during driving, the belt may be too loose, and the mechanical problems may be solved. You can reverse rotation for a period of time to improve the screening quality.
3. If the rigidity of the screen box has been insufficient and the horizontal level is not accurate, the beam will break, and the material will flow abnormally if it is still running. It may also be improper operation, that is, feed imbalance is also one of the reasons. The material flow on the screen surface of the vibrating screen is abnormal. First, the rigidity of the screen box is insufficient, there is a critical frequency, and the connecting bolts have been vibrated loose, even to the extent that they are fully vibrated, that is, tighten. Second, the horizontal level of the screen box is not accurate. Find the fault from the support seat of the supporting foot spring or the spring itself, change the spring or change the size of the support, and it may be caused by the damage of the screen surface. Just replace the screen.
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