Sealing, friction reduction, removal of foreign substances
A seal is a mechanical element that generally exists between two objects or components and serves as a device or material to seal them. The main purposes of a seal are as follows: ● Sealing: Seals prevent the leakage of gases or liquids by ensuring that there are no gaps between objects or components. For example, seals are used between shafts and housings, or at the joints of pipes and tanks. ● Friction reduction: Seals also play a role in extending the lifespan of mechanical parts by reducing friction at contact surfaces. For instance, oil seals may be used between shafts and bearings. ● Isolation of different environments: Seals may be used to isolate different environments (for example, external and internal). This helps prevent the influence of foreign substances from the outside and protects internal materials or liquids. Seals come in various types depending on their shape and material. They are manufactured from various materials (such as rubber, metal, plastic, etc.) according to requirements for durability, heat resistance, and chemical resistance.
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basic information
Seals are highly diverse and designed to meet various requirements. 【Power Transmission Seals】 ● Radial Shaft Seals: Used between rotating and stationary components or between two components that have relative motion. ● Cassette Seals: Optimized to ensure the secure containment of grease or oil. They provide maximum protection against the intrusion of liquid or solid contaminants. ● V-Ring Seals: Axial shaft seals available in two types: all-rubber and those with a metal housing. 【Hydraulic Seals】 ● O-Rings: Circular rubber seals that are generally compressed to create a seal. ● Piston Seals: Maintain the sealing contact surface between the piston and the inner diameter of the cylinder. ● Rod Seals: Maintain the sealing between the cylinder head and the movable piston rod. ● Wiper Seals: Maintain the sealing contact surface with the piston rod whether the machine is stopped or in operation. ● Guide Rings: The most commonly used guides within hydraulic cylinders. Choosing the appropriate seal for specific applications is a crucial factor in improving system efficiency and reliability.
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Applications/Examples of results
● Sealing of the rotation axis ● Sealing of the hydraulic cylinder
Detailed information
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Machined Seals We also offer custom seals engineered based on the requirements of our customers. They are machined using advanced materials to accommodate a variety of applications.
Company information
Reducing friction and moving forward. For over a century, we have been fighting against friction. Today, we enable progress and contribute to a better life for people around the world by providing products, services, and engineering solutions to more than 40 industries. Overview of the SKF Group (2024) Founded on February 16, 1907 Sales of 98.7 billion Swedish Krona Over 17,000 agents in 130 countries 38,743 employees 71 factories
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