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How to deal with the heat of the vibration screen

How to deal with the heat of the vibration screen
When the vibration screen is in use, if there is a fever, how to deal with it, let's find out how to deal with the heat of the vibration screen.

1. Unreasonable bearing selection

Bearings have high requirements on the type of use, speed limit, installation size, clearance, and self-lubricating performance. Ordinary bearings are easily damaged under harsh working conditions.

Solution: choose special bearings. Commonly used vibration screen bearings generally include cylindrical roller bearings and spherical roller bearings. Both have large radial bearing capacity. The former also bears a higher speed limit, and has strong bearing capacity for dynamic and static loads, but requires higher co-axiality of the bearing seat hole; the latter has good adjustment. It can compensate for the misalignment problem caused by the machining of the bearing seat hole, but it cannot bear pure axial load.

2. Uneven force during bearing assembly. For example, in the process of cold loading, the inner and outer rings of the bearing are subjected to uneven forces, resulting in a certain deflection of the inner and outer rings of the bearing relative to the shaft or bearing hole, and the wear is faster during operation.

Solution: Use special tooling in the bearing assembly process to make the inner ring or outer ring press evenly and assemble in place.

3. The large error of the vibration screen causes the abnormal operation of the screen body and damages the bearing and generates heat.

Solution: The ideal working state of the vibration screen is that the whole machine runs smoothly and the amplitude is consistent everywhere. Therefore, the production and installation accuracy of the product should be strictly controlled to ensure that the position does not shift while feeding.

4. The fixing bolts of the vibration exciter are loose, or the anti-loosening spring washer is not added, resulting in vibration and heat damage to the bearing.

Solution: When the exciter is used for the first time, recheck the fastening bolts after running for 2h and 50h, and tighten them immediately if they are found to be loose.