TC skeleton oil seal
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- Product Description
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The sealing principle of the skeleton oil seal: Because there is an oil film controlled by the oil seal edge between the oil seal and the shaft, this oil film has fluid lubrication characteristics.
Analysis of the sealing principle: Under the action of the skeleton oil seal, the rigidity of the oil film just makes the contact end of the oil film and the air form a crescent surface, which prevents the leakage of the working medium and realizes the sealing of the rotating shaft.
The sealing ability of the oil seal depends on the thickness of the oil film on the sealing surface. If the thickness is too large, the oil seal will leak; if the thickness is too small, dry friction may occur, causing wear of the oil seal and the shaft; if there is no oil film between the sealing lip and the shaft, it is easy to cause heat and wear. Therefore, during installation, some oil must be applied to the sealing ring, and at the same time ensure that the skeleton oil seal is perpendicular to the axis line. If it is not perpendicular, the sealing lip of the oil seal will drain the lubricating oil from the shaft, which will also cause excessive sealing lip. wear. In operation, the lubricant in the housing slightly seeps out to form at the sealing surface.
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