V-ring
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(1) Choose appropriate sealing material and hydraulic oil, as well as adaptability to working temperature and compatibility with oil. (2) The geometric position accuracy (concentricity) of the sliding parts relative to the sealing element is high. Good materials (such as hard chrome plating) and fine surface roughness can extend the service life For oil seals used in hydraulic pumps and motor journals, not only is the roughness of the sliding surface Ra within 0.25m, but also hard chromium plating is required on its surface. During specific use, it is necessary to adjust the radial spring force of the oil seal lip appropriately according to the specific situation to make it moderately loose. In addition, an installation sleeve or thin gasket should be used to protect the sealing ring during installation to prevent the lip edge from rolling or twisting, which may cause the spring to slide out The commonly used rolling processing method for the inner surface of hydraulic cylinder not only improves surface roughness, but also undergoes cold work hardening treatment on its surface, which is beneficial for extending the service life of the sealing ring. In addition, the pressure used, the length and type of sliding surface also have a significant impact on the service life. Therefore, the "scheduled inspection" time should be determined based on these conditions Require the sealing surface to be in good lubrication condition and prevent dirt from entering. The use of oil that meets the specified cleanliness level and the correct installation method are also necessary conditions.
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Address: Economic Development Zone, Julu County, Xingtai City, Hebei Province
Landline:0319-3795888
Fax:0319-3798886
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