Introduce

Engine camshaft seal is a rubber sealing element used on engine camshafts. The camshaft is an important component of the engine. It powers valve opening and closing, as well as controlling intake and exhaust timing and valve lift. Its primary duty is to keep lubricating oil from seeping out of the camshaft bearings and external debris out of the camshaft region. The seals are fitted in the area between the camshaft and the engine case at the front and back ends of the camshaft. It is constructed of rubber or a rubber-metal combination and has high flexibility and sealing characteristics.

Technical data

Material NBR
Density  1.0 – 1.2 g/cm³
Hardness 40 – 90 (Shore A)
Tensile strength 5 – 20 MPa
Elongation at break 200 – 600%
Compression deformation 15 – 30%

Certification standard

  • ISO 9001: The International Organization for Standardization (ISO) quality management system certification standard. It guarantees that manufacturers adhere to quality management standards when designing, developing, manufacturing, and providing services.
  • ISO/TS 16949: This is an international quality management system certification standard for supply chain management, which is especially relevant to the automobile sector. It is based on ISO 9001 and includes extra standards unique to the automobile sector.
  • The American Society for Testing and Materials (ASTM) has produced a rubber material specification known as ASTM D2000. It specifies the physical qualities, chemical resistance, and other attributes of rubber materials so that makers and users may precisely determine their appropriateness.
  • SAE J200: The Society of Automotive Engineers (SAE) issued this rubber material categorization system. It classifies rubber materials into grades and categories and specifies material performance standards for each.
Advantage and Function
  1. Sealing function: The main function of the engine camshaft seal is to ensure a good seal between the camshaft and other parts of the engine when the engine is running, and to prevent lubricating oil, coolant and other liquids or gases from leaking from the camshaft area of the engine. Keep the engine in normal working order.
  2. Anti-wear and durable: Because the seal uses rubber materials with high wear resistance, such as nitrile rubber (NBR) or fluorine rubber (FKM), the engine camshaft seal can withstand the friction and wear caused by the high-speed rotating camshaft. The service life is greatly increased.
  3. High temperature resistance: When the engine is running, the camshaft seal will be exposed to high temperature for a long time, so it needs to have good high temperature resistance. The seal can still maintain its elasticity and sealing performance under high temperature conditions.
  4. Chemical resistance: engine camshaft seal can withstand long-term corrosion by engine lubricating oil, coolant and other chemicals. The selected rubber material has excellent oil resistance and chemical resistance, ensuring that the seal remains stable and reliable in harsh chemical environments.
  5. Reduce energy consumption: The design and material selection of seals can reduce energy losses. Effective sealing can reduce the leakage of lubricating oil, coolant and other media, ensure efficient operation of the engine system, and reduce friction and energy loss.
  6. Improve engine performance and reliability: Proper installation and use of engine camshaft seal can best exert the sealing ability and help improve engine performance. It can ensure the normal operation of the lubrication system, reduce mechanical wear and damage, and extend the service life of the engine.
Conclusion

The engine camshaft seal is a rubber sealing device found on engine camshafts that are responsible for controlling valve opening and shutting, intake and exhaust timing, and valve lift. Its primary duty is to keep lubricating oil from escaping from the camshaft bearings and outside debris from entering the camshaft region. The seal is constructed of rubber or a rubber-metal combination and has high flexibility and sealing characteristics. It is anti-wear, long-lasting, resistant to high temperatures, and chemically resistant, assuring stability and dependability in tough chemical situations. Proper seal installation and usage may increase engine efficiency, reduce energy consumption, and extend engine life.