The self-lubricating multilayer composite bushing is a high-performance wear-resistant component that combines the advantages of various materials. Constructed primarily from carbon steel, it incorporates copper powder and (Polytetrafluoroethylene) filler to enhance its lubricating properties and overall durability.
The carbon steel base provides the bushing with exceptional strength and rigidity, ensuring it can withstand heavy loads and demanding operating conditions. The copper powder, on the other hand, acts as a natural lubricant, reducing friction and wear between moving parts. This not only prolongs the lifespan of the bushing but also contributes to smooth and efficient operation.
The filler further enhances the lubricating capabilities of the bushing. is known for its excellent chemical resistance, non-stick properties, and low friction coefficient. By incorporating into the composite material, the bushing achieves even smoother operation and reduced wear over time.
The multilayer design of the composite bushing allows for optimal distribution of materials, ensuring even wear and consistent performance throughout its lifespan. This design also provides flexibility in terms of material selection, allowing for customization to meet specific application requirements.
In summary, the self-lubricating multilayer composite bushing, with its carbon steel base, copper powder, and filler, offers a robust and reliable solution for applications requiring high wear resistance and smooth operation. Its superior lubricating properties and durability make it an ideal choice for a wide range of industrial applications.
Self-Lubricating Multilayer Composite Bushing
Carbon Steel + Copper Powder + ( + Pb + Filler)
Carbon-based lead-free lubricating bearings Cylindrical Sleeve Bushes | VSB-10
VIIPLUS VSB-10 is backed with copper-plated steel with porous bronze sintered on the steel and polymes (+Pb) imbedded into the bores of the bronze. By combining the metals and the polymers tog, its products are endowed with the lower friction coefficient and good capacity of anti-abrasion and self-lubrication. Moreover, the steel back is plated with a erosion-prevention layer. Products of VSB-10 series are widely applied in printing, weaving and tobacco producing machines, gymnastic equipments, etc.
Carbon-based lead-free lubricating bearings Cylindrical Sleeve Bushes have same features as the VSB-10, but without lead.
Typical application
Typicai applicaton
Application: the printing, woven, tobacco and gymnastic machinery, etc.
same application as the normal VSB-10, but much more for automotive industry, food industry, medicines, drink machines and so on which not allowed to use the lead and difficulty forming the oil film or need lubrication parts.
| Performance Index | Data |
| Max Load | Static Load | 250N/mm² |
| Max Load | Dynamic Load | 140N/mm² |
| Max Load | Oscoillation Load | 60N/mm² |
| Linear Velocity V | Dry Lubrication | 2.5m/s |
| Linear Velocity V | Oil Lubrication | >5m/s |
| PV value limit | Dry Lubrication | 1.8N/mm²· m/s |
| PV value limit | Oil Lubrication | 3.6N/mm²· m/s |
| Friction coef μ | Dry Lubrication | 0.08~0.20 |
| Performance | Data |
| Friction coef μ | Oil Lubrication | 0.02~0.12 |
| Mating Axis | Hardness | >220 HB |
| Mating Axis | Roughness | Ra=0.4~1.25 |
| Working temperature | -200~+280℃ |
| Thermal conductivity | 40W/(m·k) |
| Coefficient of linear expansion | 11×10-6K-1 |
| Outside surface Plating | copper/tin |
We can also develop according to customers special request while out of this table.
Carbon Steel + Copper Powder + (lead-free)
Structure And Composition
· Metal-Polymer Composite Self-lubricating Bushing Material
· Steel Back + Porous Bronze Sinter +
· + lead-free
Technical Data
| Dynamic load limit | 140N/mm² |
| Static Load max | 250N/mm² |
| PV limit | 1.8~3.6N/mm²*m/s |
| Speed limit | ＞2m/s |
| Temp.limit | -195°C~280°C
|
| Friction coefficient | 0.04~0.20 |
Microsection
 | Sliding layer
+ lead-free
Porous Bronze Sinter
Steel Backing
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Bearing forms available in standard dimensions
· Cylindrical bushes
· Flanged bushes
· Thrust washers
· Flanged washers
· Sliding plates
viiplus products are widely used in all industrial fields
Widely used in hydraulic and pneumatic industries, forging machine tool industry, plastics machinery industry, lifting and handling machinery, port machinery, office, fitness machinery, textile machinery, food packaging, filling machinery, chemical machinery, printing and packaging, paper making machinery, automobiles, railways Steam locomotives, shipbuilding industries, presses, metallurgical machinery, construction machinery, etc.
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Self-Lubricating Multilayer Composite Bushing | Carbon Steel Copper Powder Filler Images
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