Oil seals with outer metal cases may include finishes or treatments applied to the outer edge to aid in rust protection, identification, and sealing of scratches or imperfections in the housing bore. Common finishes applied to the outside edge of metal O.D. oil seals include plain (a bonding agent of usually a yellowish-green color), a color-painted edge, and a grinded-polished edge.
Oil seals are made out of nitrile synthetic rubber with steel stiffener rings. Other rubbers such as viton, silicon, neoprene or poly acrylic can be used for specific applications. The stiffener rings may be stainless steel or brass where highly corrosive fluids are to be sealed. Springs are generally made of spring steel to IS: 4454:Gr.ll or from stainless steel or bronze for corrosion resistance
Secondly, oil seals contribute to energy efficiency by minimizing oil loss from the motor. When oil leaks from the system, it not only reduces the amount of lubricant available but also creates a potential fire hazard if it comes into contact with hot surfaces or electrical components. Additionally, frequent oil changes due to leaks can be expensive and environmentally harmful, as disposed oil can contaminate soil and water sources Additionally, frequent oil changes due to leaks can be expensive and environmentally harmful, as disposed oil can contaminate soil and water sources
⑤
Conventional oil seals are the traditional seals, which can be recognised by a spring on the inside. These oil seals are made of a metal housing that contains a rubber seal. This part is often made of elastomer and comes into contact with the surface of the rotating shaft.
1. **Preventing Leakage** Oil seals are designed to prevent the leakage of oil or other lubricants. Incorrectly sized seals can lead to costly leaks and system failures.Several variables must be considered when selecting oil seals. The physical dimensions and materials will vary depending on the environment of use. In addition, oil seals must remain lightweight, compact, and exhibit high self-lubrication performance.
Importance of Oil Seal Dimensions