Bearing Housing Protection - The Significance
Bearings are a type of component that works on accuracy. They need to be fueled with an adequate amount of clean lubricant so that they can survive for a long time. Even the slightest contamination within the bearings can cause major damage in terms of equipment reliability and uptime. Nowadays, however, one can get a bearing protector that helps maintain the cleanliness of the lubricant and thus prolongs the potential life span of the rotating equipment. In addition, the bearing protector also prevents damage to the lubricant.
Source of contamination
The main source of contamination within the bearing housing is airborne water vapor or water stream obtained from the hose-down operation. Traditional style maze seals or lip seals are not very effective in maintaining bearing housing i.e. Free from foreign pollution. Contamination can also be caused by contaminants entering either through the breather vent or from a non-pressure balanced stable level lubricant. In fact, oil contamination can also be caused by the oil ring content, which users often skip considering.
Measures to avoid contamination
To avoid contamination, one needs a suitable bearing housing seal, as the process of breathing inside the bearings (exchange of internal and external air) during the operation and switching period of shutdown attracts contaminants from the environment. Can do This exchange of air takes place in the affected houses as during operation, the temperature rises which increases the amount of gas and during shutdown the number of gas shrinks with the decrease in temperature. Poor-fitting or open seal of the bearing housing promotes more movement of contaminated air laden with moisture.
The obvious solution to this problem is to shut down all means of air exchange. Breath vents for use must either be removed or plugged well. A pressure compensation constant level lubricant is a better choice than a non-pressure balanced constant lubricant. Finally, the most reliable thing to avoid all kinds of external contamination is the face seal. The use of face seals as per the recommendations for a given rotating device can keep the bearing housing completely free from all external contamination.
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