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Regardless of whether the main component of an industrial centrifuge or an experimental centrifuge is a transmission component, and the bearing is an important part of the transmission component, a generally experienced centrifuge purchaser will ask the manufacturer a series of questions about the bearing when purchasing the centrifuge.
Here are a few examples of bearing heating:
1. It may be due to overload or overload;
2. It is possible that heat is generated by mechanical friction;
However, the main problem is whether the bearings are imported or not. Some users purchase low-cost bearings in order to reduce costs, which causes the bearings to heat up and become hot, which causes the bearings to burn out.
Therefore, we must first emphasize the need to purchase imported bearings. Centrifuges are high-speed equipment, high-speed bearings need to use good bearings, high-quality authentic bearings can ensure the long-term normal operation of the centrifuge, the service life of up to 10 years.
Second, we must pay attention to the lubrication of the machine, the selection of high-quality high-temperature lithium grease, the difference of lithium grease is another major cause of bearing heat. In addition, you should check with your meticulous situation, assuming that the mechanical friction will be accompanied by noise, the mechanical parts will have obvious wear and the bearing will be loose, then it should be a bearing problem, and the bearing needs to be changed.
Third, the concentricity of the centrifuge spindle and the bearing housing during the processing is accurate. Under normal circumstances, people pay less attention to the concentricity. The tendency of the spindle concentricity is easy to form the bearing heat.
Fourth, during the machining of the main shaft and the housing, the tolerance is not in place, and the clearance between the inner ring (outer ring) and the ball (column) of the bearing is too small.
Many manufacturers now omits the fueling device in order not to affect the strength of the spindle, making it difficult for users to maintain. In fact, it is possible to design a fueling device on the main shaft that does not affect the strength of the main shaft.