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Lip seal, O-ring seal, Scraper, Hydraulic seal, Plain bearing
Text version of the page
| 5> | ||||||||||||||||||||||||
| Radial Oil Seal | ||||||||||||||||||||||||
| ■ RADIAL OIL SEAL ■ The seal General Rotary shaft lip seals are components designed in a ring form, fitted between machine parts in relative rotation, with the function of separating oil or grease from the inside and dirt, dust, water etc. from the outside. The rotary shaft seals are generally composed by an elastomeric diaphragm, shaped in a "lip form" and reinforced with a co-vulcanised metal insert. The sealing lip is energised with a "Garter Spring". | ||||||||||||||||||||||||
| Seal design The sealing lip design corresponds to the current state of art and is based on many years of experience in a wide range of application fields. The sealing edge can either be ready moulded or trimmed by mechanical cutting. The total radial force of the sealing lip is given by elastomer pre-tension together with tensile spring force. The former depends on the deformation and elasticity of the rubber material, geometry of the sealing lip and interference between shaft and seal. Outer sheath can be either flat or wavy, fitting in both cases into ISO H8 bore. | ||||||||||||||||||||||||
| Outer sheath | ||||||||||||||||||||||||
| Spring retaining lip Spring groove | ||||||||||||||||||||||||
| Figure 6 Designations for Rotary shaft lip seals (extract from ISO 6194) | ||||||||||||||||||||||||
| W//A | ||||||||||||||||||||||||
| Latest information available at www.tss.trelleborg.com Edition April 2007 | ||||||||||||||||||||||||
| TRELLEBORG SEALING SOLUTIONS | ||||||||||||||||||||||||
| 18 | ||||||||||||||||||||||||