Stirrer shaft bushing seal
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Dear sea friends: The material of the mixer shaft is the same as that of the container’s main body. What is the purpose of the shaft lining rubber?
Corrosion resistance and wear resistance; suitable for temperatures below 85 degrees. Now there are high-temperature adhesives that work fine at temperatures below 110 degrees!
The material of the stirring shaft is the same as that of the container, so corrosion resistance should be no problem. How effective is rubber lining in resisting corrosion?
For wear resistance, it depends on the solid content of your material as well as the size of the solid particles. Generally, rubber lining is used in two layers for shafts, and in three layers for mixers! Of course, this isn’t fixed; it depends on the circumstances!
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Is it necessary to use gasketing in this case? Anticorrosion is definitely not necessary, and wear resistance also seems a bit questionable.
There are indeed such uses in reality, so it’s a bit puzzling; aside from wear resistance, it seems there’s no other explanation.
I also think it’s unnecessary; the material is the same in either case, so it will definitely meet the anti-corrosion requirements； Say wear-resistant? The linear velocity on the inner wall of the mixing tank is the highest; therefore, it is impossible to line the shaft instead of the inner wall. High temperature? It doesn’t seem that extreme either. Proposed by the owner? Ask further about the reason
I really don’t know what the purpose is; we have designed rubber linings for the stirring shafts to prevent gas-phase corrosion. How do you handle the gas phase part of this container?
The purpose of lining with rubber is to prevent corrosion. But since you say the container and the shaft are made of the same material, has the container been treated? If the medium does not require corrosion protection, then there is no need for bearing grease either!