Sintered bronze flanged bushings are highly efficient components known for their durability and self-lubricating properties. Made from powdered bronze, these bushings are designed to provide excellent wear resistance and reduce friction in various mechanical systems. The integrated flange offers additional support and prevents axial movement, ensuring secure and stable placement within the assembly. These bushings are engineered with tight tolerances, ensuring a precise fit and smooth operation in dynamic applications. The porous structure of sintered bronze allows for the absorption and distribution of lubricants, enhancing the bushing's performance and extending its service life.Sintered bronze flanged bushings are available in a wide range of standard sizes to accommodate different shaft diameters and application requirements. However, their manufacturing process also allows for significant customizability. Manufacturers can produce bushings in non-standard dimensions and shapes to meet specific application needs. Customization options may include variations in flange thickness, bushing length, and internal and external diameters. This flexibility ensures that the bushings can be tailored to fit unique mechanical systems, providing optimal performance and reliability. Additionally, custom sintered bronze bushings can be designed to operate under specific load and speed conditions, enhancing their suitability for specialized applications.
The production of sintered bronze flanged bushings involves a sophisticated powder metallurgy process known as sintering. This process begins with the compaction of fine bronze powder into a mold, forming a "green" compact. The compact is then subjected to high temperatures just below the melting point of the bronze in a controlled atmosphere furnace. This heating process causes the bronze particles to bond together, creating a solid, cohesive component with a porous structure. The resulting porosity allows the bushing to absorb and retain lubricants, providing self-lubricating properties that reduce the need for additional maintenance. The sintering process also enables precise control over the material composition and properties, resulting in bushings with uniform density, excellent mechanical strength, and consistent performance.
Bushing Ingredient List
| CHEMICAL COMPOSITION | ||||||
| Chemical Composition Limits (%) | ||||||
| ALLOY | COPPER | ZINC | LEAD | IRON | TIN | SILICON |
| C93200 | 81-85 | 1-4 | 6-8 | 0.2 | 6.3-7.5 | 0.005-0.08 |
| C95400 | 83 (minimum) | None | None | 3-5 | None | None |
| SAE 841 | 87.5-90.5 | None | None | 1 | 9.5-10.5 | None |
| ALUMINUM | PHOSPHORUS | MANGANESE | NICKEL (INCL.COBALT) | ANTIMONY | OTHER ELEMENTS |
|
| 0.005 | 0.15 | None | 1 | 0-0.35 | 0-0.08 Sulfur | |
| 10-11.5 | None | 0-0.5 | 0-1.5 | None | None | |
| None | None | None | None | None | 0.3 Carbon | |
| PHYSICAL & MECHANICAL PROPERTIES | |||||
| ALLOY | NOMINAL DENSITY | MODULUS OF ELASTICITY |
MELTING POINT OR RANGE |
THERMAL CONDUCTIVITY |
|
| lbs. /cu.in | ksi | degrees F | BTU/sq.ft./ft./hr./degrees F @ 68 degrees F |
||
| C93200 | 0.322 | 14,500 | 1570-1790 | 33.6 | |
| C95400 | 0.269 | 15,500 | 1880-1900 | 33.9 | |
| SAE 841 | 0.231-0.246 | Not Rated | 1800-2000 | Not Rated | |
| ELECTRICAL RESISTIVITY |
TEMPER | HARDNESS | ULTIMATE TENSILE | YIELD STRENGTH |
ELONGATION |
| ohms @ 68 degrees F |
Rockwell (unless noted) |
ksi | ksi | % | |
| Not Rated | As Cast | 65 Brinell | 35 | 20 | 10 |
| 80.2 | As Cast | 150-170 Brinell | 85 | 32-35 | 12-18 |
| Not Rated | As Pressed | H50 | 14 | 9 | 1 |
Flanged Bushing Applications
Construction and Infrastructure:
The versatility of flanged bushings makes them ideal for a wide range of applications across various industries. In the automotive sector, these bushings are commonly used in steering mechanisms, suspension systems, and transmission components, where they help reduce friction and wear. In industrial machinery, sintered bronze bushings are found in pumps, compressors, conveyors, and other heavy-duty equipment, providing reliable performance under high loads and harsh operating conditions. The aerospace industry utilizes these bushings in landing gear, control surfaces, and engine components due to their ability to withstand extreme temperatures and high stress. They are also employed in agricultural machinery, marine equipment, and various consumer goods, demonstrating their broad applicability and effectiveness.
FAQ
How to maintain bronze flange bushings to ensure optimal performance and long life?
To ensure optimal performance and extend the service life of your bronze flange bushing, regular maintenance is important. First, keep the bushing and its surroundings clean to prevent dust and debris from entering and causing wear. Secondly, although bronze flange bushings have self-lubricating properties, under high load or high temperature conditions, regular addition of lubricant can further reduce friction and wear. In addition, regular inspection of the bushing for wear is necessary. If the bushing is found to be significantly worn or damaged, it should be replaced promptly to avoid further damage to the mechanical system. Proper maintenance not only extends the life of the bushing, but also ensures the smooth operation of the entire mechanical system.
What are the advantages of the material of the bronze flange bushing and what environments is it suitable for?
Bronze flange bushings are manufactured from high quality bronze material and offer many significant advantages. Bronze offers excellent wear and corrosion resistance, allowing these bushings to perform well under high loads and harsh environments. Due to the self-lubricating properties of bronze, these bushings are very effective at reducing friction and wear and are suitable for applications requiring frequent rotation or sliding. Bronze's high strength and heat resistance enable it to maintain stable performance under high temperature conditions, which makes bronze flange bushings particularly suitable for industrial machinery, automobiles, aerospace and marine equipment and other fields. Additionally, the bronze material's ability to resist oxidation allows it to perform well in humid or corrosive environments, ensuring long-term reliable performance and low maintenance requirements.
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