3-Layer Composite Bronze-Backed Bushing Material Strip Sheets are
specifically designed to provide enhanced durability, wear
resistance, and conductivity in a wide range of industrial
applications. These strips sheets consist of three distinct layers:
Bronze Backing Layer: The bronze backing layer serves as the
foundation of the composite material, providing excellent strength
and corrosion resistance. Bronze is a copper-based alloy with a
range of added metals that improve its properties, making it ideal
for bearing applications.
Intermediate Layer: The intermediate layer, often made of a polymer
or other synthetic material, provides cushioning and vibration
damping. This layer helps to reduce noise, improve wear resistance,
and enhance the overall performance of the bushing.
Surface Layer: The surface layer is typically made of a
hard-wearing material such as steel or sintered metal. This layer
comes into direct contact with the rotating shaft or other moving
parts, ensuring smooth operation and minimal wear. The surface
layer is also often treated with lubricants or coatings to further
reduce friction and extend the life of the bushing.
The combination of these three layers results in a bushing material
that is both strong and flexible, able to withstand heavy loads and
frequent movement while maintaining a smooth and reliable
operation. The bronze backing layer provides the necessary strength
and corrosion resistance, while the intermediate and surface layers
work tog to optimize wear resistance, vibration damping, and
overall performance.
3-Layer Composite Bronze-Backed Bushing Material Strip Sheets are
available in a variety of sizes, thicknesses, and material
compositions to meet the specific requirements of different
applications. Wh you're looking for a high-strength,
corrosion-resistant bushing for use in harsh environments or a
lightweight, low-friction option for high-speed applications, these
composite bushings are sure to meet your needs.
Self-lubricating Composite Du-B Bronze bushings material to
manufactuer your bushings.
Tell us about your application
composite bushing material strips or sheets. . -lead overlay
The composite bushing is the higher performance self-lubricating
bearing material available anywhere. It offers a combination of
properties and capabilities unmatched by any other self-lubricating
bearing material and, consequently, has the broadest application
range
Composite 3 layer bushing bearings combine the advantages of many
conventionally lubricated, metallic plain bearings—particularly
high load capacity and dimensional rigidity—with the design
freedoms of self-lubricating materials, including the ability to
operate successfully well beyond the scope of conventional
lubricants.
The high-performance self-lubricating bearing bushing material
1. Bronze Backing
This bronze backing gives bushing its exceptionally high load
carrying capacity; thin, compact design; excellent heat
dissipation; and dimensional and structural rigidity.
2. Porous bronze inner structure This comprises a nominal 0.010
inch (0.25 mm) thick layer of carefully sized bearing quality
bronze powder which is sintered onto the steel backing. This porous
structure is impregnated with a homogeneous mixture of
(polytetrafluoroethylene) and lead. In addition to providing
maximum thermal conductivity away from the bearing surface, this
unique bronze inner structure also serves as a reservoir for the
-lead mixture
The Material shall consist of 3 layers, a bronze backing strip, and
a sintered interlocking porous matrix, impregnated and overlaid
with / lead mixture
Characteristics
| Characteristics | | | | |
| Bronze Backing | Material: CuSn 6 Composition by mass | | | | |
| Sn | | 5 to 7.50 | % |
| P | ≤ | 0.35 | % |
| Pb | ≤ | 0.10 | % |
| Fe | ≤ | 0.10 | % |
| Zn + Ni | ≤ | 0.50 | % |
| Others | ≤ | 0.30 | % |
| Reminder Cu | | | |
| Thickness hardness HB - ISO 6506 (All Parts) | | (2.1`0.15) 80 to 160 | mm |
| Bronze Internalayer | Material: CuSn 10 Composition by mass | | | | |
| Sn | | 10 to 12 | % |
| Pb | ≤ | 1.00 | % |
| P | | 0.25 to 0.4 | % |
| Si | ≤ | 0.17 | % |
| Fe | ≤ | 0.15 | % |
| Ni | ≤ | 0.15 | % |
| Others | ≤ | .50 | |
| Saturation with -Pb thickness | | ≥ | 25 |
Sintered Bronze Composite Material - maintenance-free
This low friction overlay, approximately 0.001 inch (0.025 mm)
thick, provides an excellent initial transfer film which
effectively coats the mating surface of the bearing assembly,
forming an oxide type solid lubricant film. As this film is
depleted, the relative motion of the mating surface continues to
draw material from the porous bronze layer. When conditions are
severe, the feed of lubrication is increased. The peaks of porous
bronze coming in contact with the mating surface generate localized
heat and, due to the high thermal expansion rate of the , force
additional lubricant to the bearing surface. The relative motion of
the mating parts wipes the lubricant over the interface,
continuously restoring the low friction surface fill
Plain & Self-Lubricating Bearings(Bushing Material: Sintered Bronze
with )
Bronze backed with bronze powder dry bushing material layer
Sliding layer + Lead
Porous Bronze Sinter
Bronze Backing
