Analysis causes the vibration of the hammer crusher

Hammer crusher is our common crusher equipment. If there is vibration in the hammer crusher equipment during work, we should first analyze the cause of the vibration and understand the cause before we can find the corresponding solution. Solving the vibration problem of the crusher is one of the factors that improve the production efficiency of the equipment.

Global Broken Network today summarizes the following reasons for equipment vibration:

1. The assembly gap of the crusher is too large

The equipment runs for a long time, which makes the rotor shaft and the bearing, the inner ring and the outer ring of the bearing, the cage and the ball, the gap between the outer ring of the bearing and the bearing ring is increased, and the gap is large, so that the rotor shaft runs at a high speed of 970R/MIN. The bottom, bottom, left, and right sides are swayed back and forth, so that the vibration of the entire hammer crusher is out of balance.

2. Related to the radius of the rotor shaft

The size of the radius is mainly caused by the rotor shaft not being straight. Although the radius has an effect on the vibration of the crusher, it has little effect. Due to the special working nature of the hammer crusher, the materials collide with each other in the machine by collision, impact, tapping, etc. to achieve the granularity of the body. As the main force-receiving part of the hammer crusher, the rotor shaft is also a component with more serious damage, and it is easy to form the rotor shaft bending.

3. Rotor shaft running angular velocity

Whether the angular speed of the rotor shaft is suitable or not is critical to the smooth operation of the hammer crusher. This is because the magnitude of the stress is proportional to the square of the angular velocity. If the angular velocity is too large, the stress on the shaft is large and the shaft is easily deformed. Conversely, if the angular velocity is too small, the productivity of the crusher will be affected.

4. The quality of the hammer of the crusher equipment is good or bad.

If the weight of the hammer crusher is not good, the hammer head structure will be uneven, the strength will be uneven, the wear will be different, and it will easily cause the fracture phenomenon, which will cause the whole equipment to vibrate strongly. Therefore, the mass of the hammer has an important role in balancing the operation of the hammer crusher.

5. Uneven rotor shaft

Uneven force on the rotor shaft is the main cause of the vibration of the hammer crusher. As the material enters the crusher, the rotor impacts on the rotor in the moving direction of the rotor, resulting in uneven force on the rotor shaft, resulting in imbalance of the rotor, causing machine vibration.

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