| 摘要 |
The seal between a surface (10) of a machine component (1) with rotational symmetry, and a radial shaft sealing ring (2), has a sealing lip (3) of a polymer material. Its sealing edge (6), formed by two angled surfaces (4,5), is in contact with the surface (10) to be sealed. The first angled surface (4), towards the zone to be sealed, forms a sharper cone angle (8) with the rotary axis than the angle (9) at the other angled surface (5). The surface (10) to be sealed has a spiral groove (11) with a rounded groove base (12) in a radius of 0.4-1.6 mm, and the groove depth is≤15 mu m. |
