Aluminum bronze alloys represent an important subgroup of bronze alloys, characterized by a combination of high strength, excellent corrosion and wear resistance. One such alloy is Pb2/Aluminum Bronze, which contains a small amount of lead. This versatile alloy finds a variety of applications in industries such as aerospace, marine, heavy machinery, and automotive. Its role in the manufacturing of sleeve bearings, idler spacers, worm shaft bearing bushes, nut thrust spacers, gear thrust spacers, and support bushes is highly acknowledged and appreciated.

1. Pb2/Aluminum Bronze Sleeve:

Sleeve bearings, also known as bushings, are essential components that reduce friction between rotating shafts and stationary supports. Pb2/Aluminum Bronze sleeves possess superior strength, wear resistance, and excellent machinability, making them ideal for high-load, high-speed applications. These sleeves maintain their structural integrity even under strenuous conditions, minimizing the risk of breakdowns and increasing overall equipment life.

2. Idler Spacer:

Idler spacers are mechanical elements designed to maintain an appropriate distance or position between rotating parts. When made from Pb2/Aluminum Bronze, these spacers showcase excellent corrosion resistance and durability. Given their tolerance to environmental extremes and resistance to wear, these spacers are critical for smooth operation in heavy-duty machinery.

3. Worm Shaft Bearing Bush:

Worm shaft bearing bushes are essential components in worm gears, serving as the interface between the shaft and the gear housing. Pb2/Aluminum Bronze makes a top choice for these components, as the alloy is heat-resistant, possesses a low coefficient of friction, and provides excellent load-bearing capabilities. This allows the worm gear assembly to operate efficiently and reliably, even in high-stress environments.

4. Nut Thrust Spacer:

Nut thrust spacers are vital in machinery to manage axial loads and prevent damage from contact between components. Pb2/Aluminum Bronze nut thrust spacers provide excellent wear resistance, combined with their anti-galling properties. This allows machinery components to move smoothly while handling high loads, preventing premature wear and tear.

5. Gear Thrust Spacer:

Gear thrust spacers made from Pb2/Aluminum Bronze are high-strength, wear-resistant components that can handle heavy loads in high-speed gear assemblies. They can withstand the heat generated by rapid gear movement while maintaining their physical and mechanical properties.

6. Support Bush:

Support bushes provide a smooth surface for moving parts, reduce vibration, and decrease wear in assemblies. Pb2/Aluminum Bronze support bushes, with their superb load-carrying capacity, wear resistance, and corrosion resistance, make for an excellent choice in heavy-duty applications where failure is not an option.

In conclusion, Pb2/Aluminum Bronze’s superior physical and mechanical properties make it an excellent choice for numerous applications, including sleeves, spacers, and bushes. Whether you’re working with high-speed gear assemblies or high-stress environments, Pb2/Aluminum Bronze can provide a reliable solution to keep your machinery operating smoothly and efficiently. It is a testament to the remarkable versatility of bronze alloys in industrial applications.

Aluminum Bronze Bushings and Manganese Bronze Bushings, although similar in some ways, have distinctive characteristics that make them more or less suitable for certain applications. Here’s a comparison between the two types of bushings:

Aluminum Bronze Bushings (C95400):

As the name suggests, aluminum bronze bushings are made from an alloy of copper and aluminum. The aluminum content, typically ranging from 10% to 11.5%, makes these bushings extremely strong and highly resistant to wear and corrosion. These qualities make them particularly suitable for use in heavy-duty applications and harsh environments where other materials might fail.

These bushings can handle high loads, operate at low speeds, and withstand intermittent or oscillating motion, making them versatile for various applications. Additionally, they have a wide operating temperature range, from -40°C to +300°C, enabling them to function effectively in a range of environmental conditions.

Manganese Bronze Bushings (C86300):

Manganese bronze bushings are made from an alloy of copper, zinc, and manganese (typically between 2.5% and 5%). Like their aluminum bronze counterparts, manganese bronze bushings also exhibit excellent strength and wear resistance. However, they’re especially known for their high impact resistance and ability to resist deformation under heavy loads.

These bushings are also suitable for heavy-duty applications, but they shine in environments that require high impact resistance. They perform well in both dry and lubricated environments, adding to their versatility.

Conclusion:

While both types of bushings offer exceptional performance in high-load and low-speed applications, the choice between aluminum bronze and manganese bronze will largely depend on the specific demands of the application. Factors like operating environment, required impact resistance, need for corrosion resistance, and temperature range should all be taken into account when making your selection.

By using the right bronze bushing material in the right place, you’re not only ensuring optimal performance but also increasing the reliability and lifespan of your machinery, ultimately saving time and resources in the long run. Consulting with a material expert or engineer can provide valuable insights into selecting the most suitable bushing for your specific needs.

Lubrication options include:

1. Oil grooves: These are grooves designed within the bearing surface to distribute oil evenly and ensure smooth operation.
2. Sintered layers: These layers are made from powdered metal particles that are fused together through a sintering process, resulting in a porous structure that retains lubricant.
3. Plugged graphite lubricants: Graphite plugs are embedded into the bushing, providing a continuous supply of lubricant during operation, reducing friction, and increasing the lifespan of the component.
4. Lubricant indents: Small indentations or pockets are machined into the bushing’s surface to hold lubricant, which is gradually released during operation.
5. Lubricant through holes: Holes are drilled through the bushing to allow for the direct application of lubricant, ensuring optimal lubrication during operation.

Bronze Bearing C954 bronze w/ without graphite plugs

C954 bronze, also known as Aluminum Bronze or C95400, is a high-strength, corrosion-resistant material with excellent wear properties. It is commonly used in the manufacturing of bearings, bushings, and other wear-resistant components. C954 bronze bearings can be found with or without graphite plugs, depending on the specific application requirements.

Graphite-plugged C954 bronze bearings provide the advantage of self-lubrication, which significantly reduces friction and wear, leading to a longer service life. These bearings are particularly suitable for applications where regular maintenance or lubrication is difficult, or in situations where high loads and low speeds are expected.

Similar or Equivalent Specification

When selecting bronze bushing materials for industrial applications, it is crucial to consider factors such as load capacity, wear resistance, corrosion resistance, and compatibility with the specific application. Before using low-maintenance sliding bronze bushings, it is recommended to lightly lubricate the sliding surfaces with grease. This helps distribute the solid lubricant from the embedded spots throughout the sliding zone during operation.

Generally, 25-35% of the sliding surface contains embedded solid lubricant deposits. However, deviations may occur depending on the shape and size of a particular bushing part. The size and arrangement of solid lubricant deposits can also vary within different products and sizes.

In case of wear or damage, it is possible to repair slide bushings, ensuring a longer service life for your components. As a leading supplier in the highly competitive aluminum bronze bushings industry in China, our enterprise is committed to providing high-quality bushings that cater to a wide range of industrial applications.

When choosing the right bronze bushing material for your application, consult with an engineer or bushing expert who can guide you in selecting the most suitable material based on your specific requirements and operating conditions. By selecting the appropriate bronze bushing material, you can ensure optimal performance, reliability, and longevity for your equipment and machinery.

Bronze Bushing Material

We produce all the special designs at short notice!

We are proud to offer a wide range of bronze bushing materials and can produce custom designs on short notice to meet your specific requirements. Here is a list of some common bronze alloys, their respective designations, and mechanical properties:

1. CuSn7ZnPb (RG7)
   • DIN: CuSn7ZnPb
   • ASTM: C93200
   • Scandinavian: JM1
   • British: 1400 LG 2
   • Yield Strength: 130 N/mm2
   • Tensile Strength: 270 N/mm2
   • Elongation: 13%
   • Hardness: 75 HB
2. CuSn10
   • DIN: CuSn10
   • ASTM: C90700
   • Scandinavian: JM2
   • British: 1400 PB1
   • Yield Strength: 140 N/mm2
   • Tensile Strength: 290 N/mm2
   • Elongation: 13%
   • Hardness: 80 HB
3. CuSn12
   • DIN: CuSn12
   • ASTM: C90800
   • Scandinavian: JM3
   • British: 1400 PB2
   • Yield Strength: 150 N/mm2
   • Tensile Strength: 280 N/mm2
   • Elongation: 5%
   • Hardness: 95 HB
4. CuPb15Sn
   • DIN: CuPb15Sn
   • ASTM: C93800
   • Scandinavian: JM4
   • British: 1400 LB1
   • Yield Strength: 100 N/mm2
   • Tensile Strength: 210 N/mm2
   • Elongation: 7%
   • Hardness: 65 HB
5. CuPb10Sn
   • DIN: CuPb10Sn
   • ASTM: C93700
   • Scandinavian: JM5
   • British: 1400 LB2
   • Yield Strength: 100 N/mm2
   • Tensile Strength: 220 N/mm2
   • Elongation: 8%
   • Hardness: 70 HB
6. CuAl10Ni
   • DIN: CuAl10Ni
   • ASTM: C95500
   • Scandinavian: JM7
   • British: 1400 AB2
   • Yield Strength: 300 N/mm2
   • Tensile Strength: 680 N/mm2
   • Elongation: 13%
   • Hardness: 160 HB
7. CuSn10 (RG10)
   • DIN: CuSn10
   • ASTM: SAE 62
   • Scandinavian: JM12
   • British: 1400 G1-C (BC3)
   • Yield Strength: 140 N/mm2
   • Tensile Strength: 260 N/mm2
   • Elongation: 7%
   • Hardness: 80 HB
8. CuZn25AI5
   • DIN: CuZn25AI5
   • ASTM: C86300
   • Scandinavian: JM18
   • Yield Strength: 480 N/mm2
   • Tensile Strength: 750 N/mm2
   • Elongation: 8%
   • Hardness: 220 HB
9. CuSn5ZnPb (RG 5)
   • DIN: CuSn5ZnPb
   • ASTM: C83600
   • Scandinavian: SS5204
   • British: 1400 LG2

Graphite plugs provide self-lubrication. Graphite has some unusual properties that make it an excellent lubricant.

Design of lubrication hole and grooves

STANDARD BRONZE BUSHINGS DIMENSIONS FOR LUBRICATION GROOVES

Designing lubrication holes and grooves for standard bronze bushings is crucial for optimal performance and longevity. Here are some guidelines for the dimensions and features of lubrication grooves and holes:

1. Length of lubrication groove: The length of the lubrication groove should be approximately 70-80% of the bronze bearing width. This ensures that sufficient lubrication is provided while maintaining the structural integrity of the bushing. All edges of the groove should be rounded to prevent stress concentration and promote smooth lubricant flow.
2. Lubrication hole location: A lubrication hole should be located inside the lubrication groove, allowing the lubricant to be distributed evenly across the bearing surface. This helps to minimize friction and wear between the mating components.
3. Lubricant supply from housing: If the lubricant is supplied from the housing, a groove should be added to the outer diameter (OD) of the bushing. This groove transports the lubricant from the housing to the inside of the bearing, ensuring that the entire bearing surface receives adequate lubrication.

When designing the lubrication system for your bronze bushings, it is important to consider factors such as the operating environment, load, and speed to ensure that the lubrication system effectively reduces friction and wear. Properly designed lubrication grooves and holes, combined with appropriate lubricants, will help to extend the service life of your bronze bushings and improve the overall performance of your application.

• Length of lubrication groove should be 70-80% of bronze bearing width, and all edges should be rounded

• A lubrication hole should be located inside the lubrication groove

• If lubricant is fed from the housing, a groove on the OD should be added to transport the lubricant to the inside of the bearing.

Here is the chemical composition of Aluminum Bronze Bushings according to ASTM B505/B505M-18:

• Copper (Cu): 83.00% minimum
• Iron (Fe): 3.00% – 5.00%
• Nickel (Ni): 1.50%
• Aluminum (Al): 10.00% – 11.50%
• Manganese (Mn): 0.50%

VIIPLUS offers different bronze materials depending on your specific applications and the tolerances of the bronze bushings. The solid metal bushings in their series provide much tighter tolerances than wrapped bushing types, making them suitable for a wide range of applications where precision and durability are crucial.

By using Aluminum Bronze Bushings, you can expect improved performance, reduced maintenance costs, and a longer service life for your equipment. These bushings are ideal for applications in aerospace, marine, automotive, and other industries where heavy loads, challenging environments, and reliability are of utmost importance.

Aluminum Bronze Bushing Chemical Composition

1. Ability to operate without oil for extended periods: Aluminum Bronze Bushings can function with minimal or no lubrication, making them ideal for applications where regular maintenance is difficult or impossible.
2. Extremely high load capacity, good anti-wear, and low friction: These bushings can withstand high loads while exhibiting excellent wear resistance and low friction, ensuring reliable performance and long service life.
3. Ideal for low-speed, high-load applications: Aluminum Bronze Bushings are particularly well-suited for low-speed operations with high loads, as their material properties provide optimal support under such conditions.
4. Suitable for various motion types: These bushings can handle reciprocating, oscillating, or intermittent motion, making them versatile for a wide range of applications where forming an oil film may be challenging.
5. Good chemical resistance and anti-corrosion properties: Aluminum Bronze Bushings are resistant to many chemicals and exhibit excellent corrosion resistance, allowing them to perform well in harsh environments or where exposure to corrosive substances is likely.
6. Wide temperature operating range: These bushings can function in a broad temperature range, from -40°C to +300°C, making them suitable for applications with extreme temperature variations or high-temperature operating conditions.

With their unique features and capabilities, Aluminum Bronze Bushings are an excellent choice for various industries and applications that require high-performance, low-maintenance, and durable components.

1. Cast bronze base: The bronze material used in the bushing allows it to withstand high loads, offering excellent strength and durability. C95400 Aluminum Bronze, in particular, is known for its high strength, wear resistance, and corrosion resistance, making it an ideal choice for heavy-duty applications.
2. Solid lubricant plugs: These embedded plugs provide self-lubrication for the bushings, eliminating the need for external lubrication sources. This self-lubricating feature allows the bushings to perform effectively even under severe conditions, such as high or low temperatures and low speeds.
3. Maintenance-free operation: The combination of the cast bronze base and solid lubricant plugs results in a maintenance-free bushing solution. This is particularly beneficial for applications with high loads and intermittent or oscillating motion, where regular maintenance or lubrication may be challenging or impractical.
4. Versatility: The Aluminum Bronze Bushings Series excels in a wide range of operating conditions, including high and low temperatures, and is suitable for various motion types. This makes it a versatile solution for many industries and applications where durability, reliability, and minimal maintenance are essential.

In summary, the Aluminum Bronze Bushings structure, with its cast bronze base and embedded solid lubricant plugs, offers a reliable and maintenance-free solution for a variety of applications. These bushings are especially well-suited for high-load situations and environments where regular lubrication is difficult or not feasible.

1. Cast bronze base: The bronze material used in the bushing allows it to withstand high loads, offering excellent strength and durability. C95400 Aluminum Bronze, in particular, is known for its high strength, wear resistance, and corrosion resistance, making it an ideal choice for heavy-duty applications.
2. Solid lubricant plugs: These embedded plugs provide self-lubrication for the bushings, eliminating the need for external lubrication sources. This self-lubricating feature allows the bushings to perform effectively even under severe conditions, such as high or low temperatures and low speeds.
3. Maintenance-free operation: The combination of the cast bronze base and solid lubricant plugs results in a maintenance-free bushing solution. This is particularly beneficial for applications with high loads and intermittent or oscillating motion, where regular maintenance or lubrication may be challenging or impractical.
4. Versatility: The Aluminum Bronze Bushings Series excels in a wide range of operating conditions, including high and low temperatures, and is suitable for various motion types. This makes it a versatile solution for many industries and applications where durability, reliability, and minimal maintenance are essential.

The Aluminum Bronze Bushings structure, with its cast bronze base and embedded solid lubricant plugs, offers a reliable and maintenance-free solution for a variety of applications. These bushings are especially well-suited for high-load situations and environments where regular lubrication is difficult or not feasible.

Self-Lubricating Components: Additional Lubrication for Aluminum Bronze Bushing Components with Graphite

In some cases, Aluminum Bronze Bushings with embedded graphite plugs may require additional lubrication for optimal performance. Graphite is a solid lubricant with unique properties that make it an excellent choice for self-lubricating components. However, for applications with particularly challenging operating conditions or extremely high loads, supplementary lubrication can further enhance the bushing’s performance and extend its service life.

Load Ratings for Aluminum Bronze Bushings:

Load ratings for aluminum-bronze bushings can vary depending on the specific application and operating conditions. However, the standard handbook PV values for aluminum-bronze bushings, whether they are graphited or conventional, are as follows:

1. Maximum PV (pressure-velocity) value: 40,000
2. Maximum Pressure (P) value: 4,500 psi
3. Maximum Velocity (V) value: 225 fpm (feet per minute)

Please note that these values serve as general guidelines, and individual applications may differ. It is essential to consult with an engineer or bushing expert to determine the appropriate load ratings and lubrication requirements for your specific application. By taking into account factors such as the operating environment, load, speed, and motion type, you can ensure the optimal performance and longevity of your Aluminum Bronze Bushings.