Requirements of shaft and groove for hydraulic seal |
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Add time£º16-08-11 13:39:52 Excerpt£ºhttp://www.othchina.com |
To maximize the performance of hydraulic seal excellent and durability, and avoid installation improper damaged seals, shaft sealing surface and groove are needed appropriate processing. When installed, Hydraulic sealing lip must face the pressure side.
¡¡¡¡Shaft ¡¡¡¡¡öShaft surface hardness¨R40HRC(poor lubrication or high speed occasion¨R 58HRC) ¡¡¡¡¡öGrinding and polishing the surface to remove the sharp angle, the surface roughness Ra=0.2¡«0.5 um,vacuum applications Ra¨Q0.2um ¡¡¡¡¡öShaft dimensional tolerances h11 ¡¡¡¡¡öFace conduction angle 15¡ã to 30¡ã ¡¡¡¡Groove ¡¡¡¡¡öSurface roughness Ra¨Q0.8um ¡¡¡¡¡öGroove dimensional tolerances H8 ¡¡¡¡¡öFace conduction angle 5¡ã to 15¡ã
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