Reasons for heating of vibrating screen bearings

Bearings are crucial components for maintaining the normal operation of the vibrating screen. During normal operation, bearings should run smoothly and without any noise. However, due to poor quality or improper operation of the vibrating screen, bearings are prone to overheating, causing wear and even fracture, which seriously affects the normal use of the vibrating screen.

1.Insufficient lubrication

During the use of bearings, the internal lubricating oil is gradually consumed. If the amount of lubricating oil is too small, the friction force will increase during operation, resulting in heating phenomenon. In severe cases, it can cause bearing damage. If there is too much oil, there may also be slipping problems, causing the bearing temperature to rise. Therefore, during the use of the vibrating screen, the bearing oil level should be regularly checked, and oil should be injected in a timely manner. When injecting oil, be careful not to fill it up and leave one-third of the space.

2. Insufficient free space

Working clearance is an important quality indicator of bearings and a crucial parameter for their normal operation. If the working clearance of a bearing is too small, it can cause an increase in the friction torque of the bearing and generate a large amount of heat during operation, leading to bearing heating and damage. Therefore, when installing the equipment, pay attention to adjusting the original clearance of the bearings to the standard value.

3. Incorrect use of lubricating oil

If the selection of lubricating oil is inappropriate, or impurities such as dust enter the interior of the bearing, causing the inability to form a uniform lubricating oil film inside the bearing, it will not be able to reduce friction and lead to an increase in bearing temperature. Mixing different types of lubricating oils may lead to chemical reactions, causing the oil to deteriorate and clump, reducing lubrication effectiveness. Therefore, suitable lubricating oil should be selected. If replacing with other types of grease, the original grease should be cleaned first to avoid mixing different types of grease. In addition, it is necessary to keep the bearing seal intact to prevent dust from entering.

4. Poor bearing quality or unreasonable selection

If it is found after inspection that the heating of the bearing is not caused by the above reasons, it is necessary to consider whether there is a quality problem with the bearing itself. During the working process of bearings, the high rotational speed brings significant impact loads to the bearings when the vibrating screen is fed. Only when the type, rotational speed, size and other data of the bearings match the vibrating screen can they work normally and stably. Once the bearing selection is unreasonable or there are quality problems such as cracks and peeling, it is easy to cause high temperature during operation, even fracture, and equipment failure. Therefore, Green Machinery reminds you that when purchasing a vibrating screen, you should choose a large brand to ensure that the bearing quality is up to standard and the working process runs stably.