BYD - F3 - Oil seal before bending

Due to the presence of an oil film controlled by the oil seal edge between the oil seal and the shaft, the oil film has fluid lubricating properties. Under the action of the surface tension of the liquid, the rigidity of the oil film just makes the oil film and the air contact end form a crescent surface, preventing the leakage of the working medium, thereby realizing 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 oil seal and shaft wear; there is no oil film between the sealing lip and the shaft, which will easily cause heat and wear.

Product parameters