Self Lube Plate
Self Lube Plate
High-Performance Self-Lubricating Bronze Bushing Solutions & Technologies. Minimize downtime, extend service life, and reduce costs for dynamic applications.
The Evolution And Efficiency Of Self-Lube Bearing Plate: Spotlight On Plugged Graphite Aluminium Bronze Bearings EN 1982
Self lubricating Plate Alloy
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Metal base metal alloy grade
Plain Sliding Bearing and Plate Specifications
| Grade | bronze | bronze | bronze | bronze | Bronze |
|---|---|---|---|---|---|
| Material | CuZn25Al5Mn4Fe3 | CuSn5Pb5Zn5 | CuAl10Ni5Fe5 | CuSn12 | CuZn25Al5Mn4Fe3 |
| Density (g/cm³) | 8 | 8.9 | 7.8 | 8.9 | 8 |
| HB Hardness | >210 | >70 | >150 | >95 | >250 |
| Tensile Strength (N/mm²) | >750 | >200 | >600 | >260 | >800 |
| Yield Strength (N/mm²) | >450 | >90 | >260 | >150 | >450 |
| Elongation (%) | >12 | >15 | >10 | >8 | >8 |
| Coefficient Linear Expansion (×10⁻⁵/°C) | 1.9 | 1.8 | 1.6 | 1.8 | 1.9 |
| Max. Temp. (°C) | -40 to +300 | -40 to +400 | -40 to +400 | -40 to +400 | -40 to +150 |
| Max. Load (N/mm²) | 100 | 60 | 50 | 70 | 120 |
| Max. Load (Dry) (N/mm²/mm) | 15 | 10 | 20 | 10 | 15 |
| Max. PV (Lubrication) (N/mm² * m/s) | 200 | 60 | 60 | 80 | 200 |
| Compression Deformation at 300N/mm² | <0.01mm | <0.05mm | <0.04mm | <0.05mm | <0.05mm |
The graphite-infused bronze bearing is a self-lubricating component utilizing graphite as its lubricating agent, which effectively lessens friction and wear. These bearings are specifically designed to function optimally in settings where traditional oil lubrication is impractical or unwelcome, such as in high-temperature, high-load, low-speed, or contamination-sensitive applications.
Embedded within the bronze structure are graphite plugs or dots, which serve as the solid lubricant. In operation, these graphite elements are thermally activated, expanding to create a lubricating film over the contact surfaces. This film significantly lowers friction and wear, thereby enhancing the bearing’s load-bearing capabilities.
The merits of using self-lubricating graphite bronze bearings are manifold:
- Maintenance-Free: They inherently maintain their lubrication, negating the need for additional greasing or oil, which means less upkeep.
- Extended Lifespan: Thanks to their self-lubricating nature, these bearings are less susceptible to the wear and tear seen in externally lubricated counterparts, leading to a longer operational life.
- Harsh Environment Adaptability: They are especially suited for extreme conditions characterized by high temperatures, loads, and potential for contamination or corrosion, as well as environments with significant radiation exposure.
- Friction and Wear Reduction: The graphite-induced lubricating film decreases both friction and wear, further increasing the bearing’s capacity.
To incorporate graphite bronze bearings into your systems, look for vendors that offer this technology. Viiplus, for instance, supplies self-lubricating graphite slide plates, while JSP offers solid bronze bearings enhanced with graphite for lubrication.
Lubricant Features and Typical Application
| Lubricant | Features | Typical Application |
|---|---|---|
| Graphite+add | Good wear performance and chemical stability, temperature limit 400°C | Suit for general machines and under atmosphere |
| PTFE+add | Lowest friction coefficient and good water lubrication, temperature limit 300°C | Suit for water and seawater lubricant, such as ship |
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Metal Bushing (Lubricated Metal) -Self-Lubricating Bushing Materials
Bushings are specialized, self-lubricating metal components widely utilized across various industries due to their durability and low maintenance requirements. Self-lubricating metal bushings are engineered to function without additional lubrication in numerous applications, thereby minimizing maintenance needs. These bushings are available in various series and configurations, such as flanged bushings and split bearings, to meet specific application requirements.
Metal-Polymer Anti-Friction Plain Bearings
Metal-Polymer Composite Self-lubricating Bushing Material
Steel Back + Porous Bronze Sinter + PTFE





