Sintered Brass Bushing
The sintered brass bushing is mainly made of copper powder as raw material, and the required shape is obtained through powder metallurgy process.
- Product Introduction
Wear resistance of powder metallurgy sintered brass bushing.
After immersion in oil, it can still operate normally without lubricants and water quality lubricants, and still maintain sliding and self-lubricating functions. And it breaks through the limitations of ordinary bearings relying on oil film lubrication. It is suitable for use under conditions such as high temperature, high load, corrosion resistance, or inability to refuel.
product Parameter (specification)
|
Commodity |
Factory customized strong wear resistance powder metallurgy sintered oil brass bushing |
|
Material |
Fe, Cu9010, Cu663, (C, Sn, Zn) |
|
Max Density |
6.0 g/cm2~6.4 g/cm2 |
|
Load Capacity |
Static load 120N/mm2 ; Dynamic load 40N/mm2 |
|
Sliding Speed |
2.0m/s |
|
PV Value Limit |
2.8N/mm2·m/s |
|
Friction Coefficient |
0.05~0.22 |
|
General Tolerance |
ISO -2768 ; GB/T 1800.3-1995 |
|
Working Temperature |
-100~+200 Degrees Celsius |
|
Application |
Domestic electric, Electronic machine, Official business machines, Automobiles |
Producing Equipment
Inspection Method
Package
FAQ
Comparison between sintered brass bushings and bushings made of other materials
1.Characteristics of sintered brass bushings
• Hardness and wear resistance: Made from electrolytic copper as raw material and various trace metal elements, it is processed through high-temperature sintering and other processes, with high hardness, excellent wear resistance, and less prone to biting.
• Casting and processing performance: It has good casting and cutting performance.
• Corrosion resistance: It has good corrosion resistance in the atmosphere and fresh water, and good corrosion resistance to dilute sulfuric acid.
• Lubrication performance: Good sliding and self-lubricating performance in the absence of lubricants and water quality lubricants.
2.Comparison with Bronze Bushing
| Bushing type | Characteristic |
| Sintered brass bushing | Softer and more prone to deformation, the service life may be shorter compared to bronze bushings; External lubricants are generally required to reduce friction and wear; Has good corrosion resistance in the atmosphere and fresh water, and has good corrosion resistance to dilute sulfuric acid |
| Bronze bushing | Hard and sturdy, with a long service life; Common oil containing bearing alloy bronze bushings can adapt to high-speed and low-speed, high-temperature and low-temperature machinery, as well as food grade applications. Copper alloy bronze bushings have high corrosion resistance and are an ideal choice for marine applications |
3.Comparison with Steel Bushing
| Bushing type | Characteristic |
| Sintered brass bushing | The hardness and strength are relatively low compared to steel bushings, but they have better corrosion resistance in both atmospheric and freshwater environments; The self-lubricating performance is better than that of steel bushings, and it can also have good sliding performance in the absence of lubricants |
| Steel bushing | Usually, it has higher hardness and strength, and can withstand greater loads; But in terms of corrosion resistance, without special treatment, it is not as good as brass bushing in atmosphere and fresh water; Poor self-lubricating performance, usually requiring good lubrication conditions |
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