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.

bronze slide plate Oil-Free Slide Plates : - Press Die Components components for press process

The Evolution And Efficiency Of Self-Lube Bearing Plate: Spotlight On Plugged Graphite Aluminium Bronze Bearings EN 1982

In the realm of mechanical engineering and design, the significance of bearings, particularly self-lube Bearing Plate, cannot be overstated. They play a pivotal role in reducing friction and wear between moving parts, enhancing the efficiency and lifespan of machinery. Among the innovations in this field, plugged graphite aluminum bronze bearings, conforming to the EN 1982 standard, stand out for their unique properties and applications.

Self-Lube Bearing Plate, Cast bronze C93200 (SAE 660) sleeve bearings, also known as bearing bushings or slide plates, offer exceptional durability and performance.

Self-lube Bearing Plate are designed to operate without the need for additional lubrication. This capability not only reduces maintenance requirements but also enhances performance in environments where lubrication is challenging or where contamination risks from lubricants need to be minimized. These Bearing Plate incorporate materials or technologies that enable them to maintain a film of lubricant between the contact surfaces, thereby reducing wear and friction.

The Composition of Plugged Graphite Aluminum Bronze Bearing Plate

Plugged graphite aluminum bronze bearings are a remarkable combination of two key elements: the aluminum bronze alloy and embedded graphite plugs. Aluminum bronze, conforming to the EN 1982 standard, is known for its high strength, excellent corrosion resistance, and good wear resistance, making it an ideal material for bearing plate applications.

  1. Aluminum Bronze Alloy: This alloy typically contains aluminum, copper, and other elements like iron, nickel, or manganese, which enhance its mechanical properties and corrosion resistance.
  2. Graphite Plugs: Graphite is a solid lubricant known for its ability to withstand high temperatures and its natural lubricity. When embedded in the aluminum bronze matrix, these graphite plugs provide consistent lubrication, reducing the coefficient of friction and wear on the bearing.

Advantages of Plugged Graphite Aluminum Bronze Bearings Plae

  • Self-Lubrication: The key advantage of these bearing plate s is their self-lubricating feature, provided by the graphite plugs. This characteristic is particularly beneficial in applications where lubrication is difficult or could cause contamination.
  • Durability: The combination of aluminum bronze and graphite ensures that these bearings have a long service life, even under high loads and in harsh environments.
  • Corrosion Resistance: Aluminum bronze is renowned for its excellent resistance to corrosion, particularly in marine and acidic environments, which is critical for bearings plate used in such conditions.
  • Operational Efficiency: By reducing the need for maintenance and the risks of failure due to inadequate lubrication, these bearings enhance the overall efficiency and reliability of machinery.

Applications of Plugged Graphite Aluminum Bronze Bearings

These bearings are versatile and can be used in various industrial applications, including:

  • Marine Industry: Their corrosion resistance makes them ideal for use in saltwater environments, such as in ship propeller shafts and deck machinery.
  • Manufacturing Equipment: In conveyors, pumps, and automated machinery, where continuous operation is essential, these bearings provide reliable performance with minimal maintenance.
  • Energy Sector: In hydroelectric plants, wind turbines, and other energy generation equipment, they ensure efficient and long-lasting operation.

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

Metal-Polymer Plain Bearings Grease Lubricated
Metal-Polymer Plain Bearings Grease Lubricated
Bronze Bearings made of CuSn8 with Lubrication Indents
Bronze Bearings and Bronze Sleeve Bushings made of CuSn8 with Lubrication Indents
Cast Bronze Bushings with Solid Lubricant Inserts
Cast Bronze Bearings with Solid Lubricant Inserts
Bimetal Plain Bearings
Steel + CuPb10Sn10 with indents
Steel Bronze Bushing
Steel Backing and Bronze Overlay
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lubrication-free Bearing bushing products

Self-lubricating Bushing For High Performance And Low Maintenance