SELF-LUBRICATING SINTERED BRONZE BUSHINGS
Self-lubricating sintered bronze bushings
Bushes suitable for high speed and low load. Possibility of solid lubricant (graphite or MoS2). Good friction factor. Silent working. Reduced tolerances.
Our Bearings and bushings produced in Italy and Europe refer to DIN 30910-3:2004-11 and SELFOIL UNE 96002:2023 for the definition of technical and chemical standards.
Self-lubricating sintered bronze bushings in SINT A50 bronze and SELFOIL bronze are mechanical components used to reduce friction and wear in applications involving rotary or oscillating movements. They are composed of bronze powders that undergo a sintering process to form a porous structure.
The main characteristics and advantages of self-lubricating sintered bronze bushings include:
1. Self-lubrication: the bushings are impregnated with solid lubricants such as graphite or molybdenum disulfide during the sintering process. This allows for continuous lubrication, reducing friction between the bushing and the shaft, thus improving system efficiency and longevity.
2. Wear resistance: due to the presence of solid lubricants, self-lubricating bronze bushings offer greater resistance to wear and fatigue compared to other materials. They can withstand high loads and repetitive operating cycles without rapid degradation.
3. Vibration absorption: the porous structure of bronze bushings allows them to absorb vibrations and mechanical stresses, thereby reducing noise and unwanted vibrations.
4. Corrosion resistance: bronze is a corrosion-resistant material, making self-lubricating sintered bushings suitable for use in various environments, including aggressive ones.
5. Wide temperature range: bronze bushings can operate in a wide temperature range, allowing them to be used in high or low-temperature applications.
Self-lubricating sintered bronze bushings find applications in various sectors, including:
- Automotive industry: they are used in plain bearings for engines, transmissions, suspensions, and other mechanical parts subjected to rotary or oscillating movements.
- Industrial machinery: they are employed in heavy equipment such as earth-moving machines, cranes, compressors, appliances, pumps, and many other industrial applications.
- Marine sector: they are used in marine applications such as propeller shafts, rudders, and other components subjected to marine conditions.
- Food and pharmaceutical applications: thanks to their ability to operate in corrosive environments and their wear resistance, self-lubricating bronze bushings can also be used in sectors requiring high hygiene standards.
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