Oil seals, which are also known as rotary shaft seals, fluid seals or grease seals, play an important role in closing down the gaps between moving and stationary elements of mechanical equipment.
2. Silicone – Used in specific applications where only light loads are applied.
For instance, in automotive engines, these seals prevent engine oil from escaping, ensuring efficient lubrication and reducing wear on critical parts
Figure 6: Oil seals for cars
J: Additional code is added here as an identifier when two or more seals have exactly the same type codes and dimensional numbers.
2. Silicone Molded Gaskets Silicone gaskets are known for their、,、。The skeleton oil seal structure consists of three parts: the oil seal body, the reinforced skeleton and the self-tightening coil spring. The sealing body is divided into bottom, waist frame oil seal structure diagram, cutting edge and sealing lip according to different parts. Generally, the inner diameter of the skeleton oil seal in the free state is smaller than the shaft diameter, that is, it has a certain interference. Therefore, after the oil seal is installed on the oil seal seat and the shaft, the pressure of the oil seal edge and the contraction force of the self-tightening coil spring will produce a certain radial tightening force on the shaft. After a period of operation, the pressure will rapidly decrease or even disappear. , Therefore, adding a spring can compensate for the self-tightening force of the oil seal at any time.
Cassette seals are designed to maximise grease or oil retention and protection against liquid or solid contaminants. These seals are provided with their own bushings in which dirt is kept out and oil/grease kept in by a multi-lip seal.
In line with global environmental standards, spark plug manufacturers in China are increasingly focusing on sustainable practices and eco-friendly materials. Compliance with environmental regulations and the adoption of green manufacturing processes are becoming integral to the production of spark plugs. Customers seeking spark plugs and wires can inquire about the environmental policies and certifications of suppliers to align with their sustainability goals.
NGK, for instance, is renowned for its Iridium IX series, which boasts exceptional durability and improved fuel efficiency. Bosch, on the other hand, is known for its double platinum spark plugs that guarantee a longer service life and better performance. Denso, a pioneer in the field, offers an array of spark plugs designed to withstand extreme conditions, while Champion's Platinum Power range is celebrated for its reliability and enhanced ignition capabilities.The most common oil seals are the ERIKS types R, RST, M and MST, which correspond respectively to types A, AS, B and BS according to DIN 3760/ISO 6194.