?How to extend the life of hydraulic seals

??Let's extend the service life of hydraulic seals can start from the material, Xinhua Xu developed hydraulic seal is a high hardness of the rubber or glass fibers with polyurethane vinegar, poly Thalidomide, Teflon and other materials, friction small loss in oil pressure rises too high degree of tightness, long service life.

??Knowing hydraulic seals installed at ambient temperature and pressure to use the size of the selected materials and design good products according to the motion characteristics of the sealing portion, the type of oil, oil pressure, speed, temperature selected desirable seal in the hydraulic installation front seals should use the specification or drawings to be checked. Seals shall comply with standard dimensions: surface to be smooth, flat, non-aging (hard, brittle), no cracks. For the seal, lip should be sharp, no scratches, lip parting of the excess glue wiper round, spring and notch edge of the crater defect depth of not more than l mm.

??Installation of hydraulic seals should be checked curvature of the axis of curvature of the shaft tolerance should be corrected or replaced due to the curvature of the shaft tolerance, will produce eccentric rotation, causing vibration, the seal prone to failure leakage.

??When the hydraulic seals installed through the keyway, shaft chamfering and other sharp at the casing and can be used to help guide cone seal is scratched by preventing lip also coated with a removable film (thickness of the above-mentioned sharp parts 0.076 a 0.25mm), to be adopted after the removal of the seal. At the