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oilless bearings CB85-1815
Principle of Oil-free Bearings
The working principle of oil-free bearings is mainly based on specially formulated solid lubricants, which lubricate the bearings during operation, thereby reducing friction and wear. Oil-free bearings are designed to achieve good friction reduction without external lubricants, and are suitable for occasions where lubrication and oil film formation are difficult.
Principle of Oil-free Bearings
Specially formulated solid lubricants: Oil-free bearings are loaded by a metal matrix, while specially formulated solid lubricants lubricate. These solid lubricants can be released during the operation of the bearings to form a thin film that reduces friction and wear.
Self-lubricating ability: Oil-free bearings have self-lubricating ability, which means that they can run for a long time without external lubricants, reducing maintenance requirements.
Applicable scenarios: Especially suitable for heavy loads, low speeds, reciprocating or swinging, and other occasions where lubrication and oil film formation are difficult, and are not afraid of water flushing and other acid erosion and scouring.
Classification and characteristics of oil-free bearings
Dry lubricated bearings: usually made of polymer, metal composite or ceramic materials, containing solid lubricants such as PTFE (polytetrafluoroethylene), graphite, etc.
Sliding bearings: made of metal materials such as bronze, aluminum bronze, etc., whose surface is specially treated to form a microscopic concave-convex structure, and use the sliding lubrication formed by the oil film between the bearing and the shaft to reduce friction.
Ceramic bearings: have good wear resistance and corrosion resistance, can work at high temperature, high speed and harsh environment, and usually do not require external lubricants.
Advantages and limitations in industrial applications
Advantages: Oil-free bearings can significantly reduce manufacturing costs, operating costs, and maintenance costs, while simplifying the design process and improving the performance and life of machinery.
Limitations: Although oil-free bearings perform well in many cases, they may not be the best choice in some applications that require a lot of lubrication or specific lubrication conditions. In addition, although oil-free bearings reduce the need for external lubrication, regular inspection and maintenance are still required to ensure their long-term stable operation.
In summary, oil-free bearings have shown significant advantages in industrial applications through their unique lubrication mechanism and self-lubricating ability, especially in situations where lubrication and oil film formation are difficult. However, when selecting oil-free bearings, their applicability and limitations still need to be considered to ensure optimal performance and cost-effectiveness
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