copper alloy bearing with oil groove
copper alloy bearing with oil groove
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Leverage the Power of CuSn5Pb5Zn5 Bushings with Grease Groove Design
The effectiveness of a bushing in mechanical applications isn’t solely determined by the material from which it is made, but also by its design features. For bushings made from CuSn5Pb5Zn5, a leaded tin bronze known for its good friction properties and high durability, one design enhancement that significantly boosts their performance is the integration of grease grooves. This article will discuss the utility of this design in detail.
Understanding CuSn5Pb5Zn5 Material
CuSn5Pb5Zn5, also known as Leaded Tin Bronze, is a bronze alloy primarily composed of copper (around 85%), with additions of tin (5%), lead (5%), and zinc (5%). It offers a good combination of durability, corrosion resistance, and excellent machinability due to the presence of lead. These attributes make it ideal for bushings that are subjected to moderate loads and speeds.
The Grease Groove Design
One key characteristic of CuSn5Pb5Zn5 bushings is the potential to incorporate a grease groove design. These are essentially channels or grooves that are machined into the inner surface of the bushing. They serve a crucial purpose – to distribute lubricant evenly across the moving parts.
The grease groove design can take many forms, including straight, spiral, or even a custom design. Each has its advantages and specific use cases:
1. Straight Grooves: These are simple, straight channels cut along the length of the bushing. They are suitable for linear movements or oscillating motions where the load is constant.
2. Spiral Grooves: These are helical channels that spiral around the inner surface of the bushing. They are particularly useful for rotary movements as they effectively distribute the lubricant in a circular motion.
3. Custom Designs: Depending on the application, a custom groove design might be necessary. This could be a combination of straight and spiral grooves, double start spirals, or other complex designs.
The Benefits
The inclusion of grease grooves in CuSn5Pb5Zn5 bushings offers several benefits:
1. Enhanced Lubrication: Grease grooves ensure a more even and thorough distribution of lubricant, reducing the friction between the bushing and the mating component.
2. Extended Component Life: By reducing friction and providing consistent lubrication, grease grooves can help extend the life of the bushing and the entire mechanical assembly.
3. Reduced Maintenance: With improved lubrication, the frequency of manual lubrication is reduced, leading to lower maintenance needs and costs.
4. Improved Performance: With a consistent layer of lubrication, the mechanical components can operate more efficiently, resulting in improved overall performance.
The combination of CuSn5Pb5Zn5 material and grease groove design results in a bushing that is capable of performing reliably under various conditions. This pairing brings together the strength and machinability of the leaded tin bronze with the practicality of improved lubrication, thus enhancing the performance and life cycle of mechanical systems where these bushings are used.
Whether you’re dealing with heavy machinery, automotive parts, or other industrial equipment, consider the advantages of CuSn5Pb5Zn5 bushings with a grease groove design for your application needs.
Bronze casting and machining parts
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Finished cast bronze bearings copper alloy bushings provide a simple, economical way to use cast CNC bronze bearings with high bearing, good corrosion resistance, dimensional processing any of the characteristics. Meanwhile, we can provide different cast bronze bearings according to different conditions, and in accordance with the requirements of processing different forms, it has higher dimensional accuracy than class copper rolling bearings
CNC Bronze Cast Bearing Technical Parameters
| Trademark | 650# | 650S1 | 650S2 | 650S3 | 650S5 |
| Material | CuZn25Al5Mn4Fe3 | CuSn5Pb5Zn5 | CuAl10Ni5Fe5 | CuSn12 | CuZn25Al5Mn4Fe3 |
| Density | 8 | 8.9 | 7.8 | 8.9 | 8 |
| Hardness HB | >210 | >70 | >150 | >95 | >235 |
| Tensile Strength | >750 | >200 | >600 | >260 | >780 |
| Yield Strength | >450 | >90 | >260 | >150 | >450 |
| Elongation % | >12 | >15 | >10 | >8 | >8 |
| Linear Expansion Coefficient | 1.9×10-5 /℃ | 1.8×10-5 /℃ | 1.6×10-5/℃ | 1.8×10-5/℃ | 1.9×10-5/℃ |
| Operating Temperature | -40~+300℃ | -40~+400℃ | -40~+400℃ | -40~+400℃ | -40~+400℃ |
| Max. Dynamic Load | 100 | 60 | 50 | 70 | 120 |
| Max Speed(Dry) | 15 | 10 | 20 | 10 | 15 |
| Maximum PV Value(Oil) | 200 | 60 | 60 | 80 | 200 |
| Compression 300N/mm2 | <0.01mm | <0.05mm | <0.04mm | <0.05mm | <0.005mm |
Bronze CNC Machining Bronze Groove Brass Parts – Casting Foundry
Copper alloy bearing with oil groove, Machining services laser Cutting
1. High-strength brass bearing lubricating by oil in oil groove
2. It inherits the traditional functions of tin bronze bearings. Due to the use of high-strength brass, its hardness doubled
3. life of the product doubled compared with the general bronze bushings under low-speed conditions,
4. High load capacity, suits for heavy load application.
Bronze Bearing Groove Type Available Forms
we can also be processed according to customer requirements, tolerances groove bronze bearing reference standard size table.
Copper Bronze Sleeve Bearing
From high-strength graphite rods constitute brass inlay, high hardness, high wear resistance, there is ……
Here is a simplified chart that depicts different groove types that can be utilized in bronze bearing design. It’s worth mentioning that the specific configurations may vary based on the individual needs of the application.
| Groove Type | Description | Best Used For |
|---|---|---|
| Straight Grooves | Straight channels cut along the length of the bearing. | Linear movements or oscillating motions where the load is constant. |
| Spiral Grooves | Helical channels spiraling around the inner surface of the bearing. | Rotary movements, as they effectively distribute the lubricant in a circular motion. |
| Double Start Spiral Grooves | Two independent spiral grooves that start at two points in the bearing. | High-speed rotary movements, as they provide two separate lubrication pathways for enhanced distribution. |
| Circular Grooves | Circular channels cut into the bearing, usually in a concentric pattern. | Applications where equal distribution of lubricant in all directions is necessary, such as in spherical bearings. |
| Radial Grooves | Grooves that radiate outward from the center of the bearing. | Rotary or oscillating movements where lubricant needs to be directed outward from the center. |
| Combination Grooves | A custom arrangement of two or more groove types. | Complex movements or applications where a single groove type doesn’t provide adequate lubrication. |
Please note that this is a general guide, and the specific groove design should be chosen based on the individual operational parameters, including load, speed, direction of movement, and lubrication requirements. Always consult with a bushing specialist or a mechanical engineer to choose the most appropriate groove design for your application.
Bronze Bushing Application
1. Stressed joints of excavators
2. Large gearboxes.
Bronze Bearings Technical Parameter
- Base material: CuZn25A16Fe3Mn3 ( C86300 bronze bearings)
- Ultimate dynamic load: 100N/mm²
- Base hardness: HB210-270
- Friction Coef. μ: 0.04-0.16
- Max operating temperature: 170℃
- Max sliding speed: 1.5m/s
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