One-on-one interactive post on centrifugal fan technology
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What causes many grooves to form on the inner ring of the shaft and on the shaft itself at the non-driving end of the centrifugal blower?
Can I ask about the problems with air-cooled axial flow fans?
The main reasons are as follows: The fit between the inner ring of the bearing and the shaft is generally a transition fit; when the degree of interference is low, the shaft is prone to slide within the inner ring during operation, resulting in wear of the shaft. Under good lubrication conditions, if the surface roughness of the machined shaft is too high, and considering the material and hardness of the bearing inner ring as well as those of the shaft, it is easy for wear to occur on the shaft, resulting in the formation of grooves. I hope this will be helpful to you! Shandong Zhanggu is dedicated to serving you!
The air-cooled axial flow fans have not been addressed for now
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