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Bronze Bushing

Bronze Bushing

What is Bronze Bushing

 

 

Bronze bushings are used extensively in the energy and power generation sectors. Wind turbines use bronze bushings for gearbox assemblies, yaw mechanisms, and blade pitch systems. Bronze's wear resistance and durability help the bearings perform under challenging environmental conditions and continuous movement.

Benefits of Bronze Bushing
 

High strength and load carrying capacity

Bronze has excellent mechanical properties, with high strength and load-bearing capacity. This makes bronze bushings suitable for heavy-duty applications, able to withstand large radial and axial loads.

 

Corrosion resistance

Bronze is naturally resistant to corrosion, making bronze bushings suitable for use in harsh and corrosive environments. This corrosion resistance ensures the longevity of the casing, even when exposed to moisture, chemicals and other potentially damaging substances.

 

Noise reduction

Bronze bushings have noise-reducing properties that help reduce noise and vibration generated during equipment operation. This makes them particularly valuable in applications where noise reduction is critical to creating a conducive work environment.

 

Wear resistance

Bronze is known for its excellent wear resistance, helping to reduce friction between moving parts and minimize wear and tear. This feature ensures that the bronze bushings have a longer service life and do not need to be replaced as frequently, thus reducing downtime and maintenance costs.

 

Self-lubricating properties

One of the outstanding features of bronze bushings is their inherent self-lubricating capabilities. When in contact with mating surfaces, the bronze material forms a thin oxide layer that acts as a lubricant. This self-lubricating property reduces the need for additional lubrication and promotes smooth, friction-free motion.

 

low coefficient of friction

Bronze bushings have a low coefficient of friction, resulting in minimal resistance between the bushing and mating components. This means improved energy efficiency and reduced power consumption, especially in rotating or reciprocating motion applications.

 

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Why Choose Us
 

Competitive prices
We offer our products at competitive prices, making them affordable for our customers. We believe that high-quality products should not come at a premium, and we strive to make our products accessible to all.

 

Rich experience
Has a long-standing reputation in the industry, which makes it stand out from its competitors. With over many years of experience, they have developed the skills necessary to meet their clients' needs.

 

Efficient and convenient
The company has established marketing networks around the world to provide high-quality services to customers in an efficient and convenient manner.

 

Quality assurance
In terms of quality assurance, the company strictly follows the standards and norms of the industry quality system. Adopt industry-leading testing equipment to ensure product quality and good reputation.

 

Professional service
We can accept factory inspection and goods inspection at any time. Technical discussion, research and development of new products, and complete after-sales service.

 

High quality products
We always put customer needs and expectations in the first place, refine on, continuous improvement, to seek every opportunity to do better, to provide customers with their expectations of quality products, to provide customers with the most satisfactory service at anytime.

 

Long Bronze Bushing

 

Types of Bronze Bushings

Bronze bushings are cylindrical metal bearings that are used in various industries to provide support and reduce friction betweenmoving parts. They are commonly made from a mixture of copper and tin, which gives them their characteristic bronze color andexcellent durability. Bronze bushings are known for their ability to withstand high temperatures and heavy loads, making them idealfor use in machinery and equipment that undergo frequent movement. There are several types of bronze bushings that are designedto meet specific needs and requirements in different applications. One common type is the plain bronze bushing, which is a simple,solid cylinder with a smooth inner surface that provides a low-friction interface for moving parts. Another type is the flanged bronzebushing, which has a flange at one end to provide extra support and stability in applications where axial movement is a concern.Additionally, there are also self-lubricating bronze bushings that are impregnated with lubricating materials to reduce friction andmaintenance requirements. In addition to these types, there are also oil-impregnated bronze bushings that are designed to providecontinuous lubrication in high-speed and high-temperature applications. These bushings contain small pores that are filled withlubricating oil, which is released gradually as the bushing wears down. This self-lubricating feature helps to extend the lifespan ofthe bushing and reduce the need for frequent maintenance. Overall, the different types of bronze bushings offer a range of optionsfor manufacturers and engineers to choose from based on their

 
Applications of Bronze Bushings
 

 

Industrial Machinery
Bronze bushings are critical for various manufacturing machinery. They are used in pivot points, rotating shafts, and other parts in presses, milling machines, and lathes. Bronze’s ability to provide low-friction and reliable movement under heavy loads gives manufacturing processes the precision and efficiency they require.

 

 

Automotive
The automotive industry relies on bronze bushings in suspension components such as sway bars, control arms, and vehicle suspension systems. Bronze bushings deliver improved handling and smooth rides by offering resilience under heavy loads and dampening vibrations.

Aerospace

The aerospace industry uses bronze bushings in flight control systems, control surfaces, landing gear assemblies, and other aircraft components. Bronze bushings offer reliability to perform under the harsh conditions aircraft are subject to, including wide temperature fluctuations and high speeds.

Marine

The marine industry relies on bronze bushings for deck equipment, ship steering mechanisms, and propulsion systems. Because bronze can withstand heavy loads and resist corrosion in environments prone to saltwater exposure, it is ideal for marine applications.

Energy and Power Generation

Bronze bushings are used extensively in the energy and power generation sectors. Wind turbines use bronze bushings for gearbox assemblies, yaw mechanisms, and blade pitch systems. Bronze’s wear resistance and durability help the bearings perform under challenging environmental conditions and continuous movement. Hydroelectric power plants also rely on bronze bushings to support critical components like turbine shafts for generating electricity from water.

 

 

Maintenance and Care of Bronze Bushings

Bronze bushings are commonly used in a variety of industries for their durability and ability to withstand heavy loads. Thesecomponents are made of a combination of copper and tin, which gives them their characteristic bronze color. Bronze bushings aredesigned to reduce friction and support mechanical parts, making them essential for machinery and equipment that requiresmooth and efficient movement. Maintenance and care of bronze bushings is crucial to ensure their longevity and optimalperformance. One important aspect of maintenance is ensuring that the bushings are properly lubricated. This helps reduce frictionand wear on the bushings, extending their lifespan. Additionally, regular inspection of the bushings for signs of wear or damage isimportant to catch any issues early on and prevent more serious problems from occurring. Proper installation of bronze bushings isalso key to their maintenance. Ensuring that the bushings are installed correctly and securely will help prevent premature wear anddamage. It is also important to follow the manufacturer's guidelines for maintenance and care, as they may provide specificrecommendations for lubrication, cleaning, and inspection. By taking these steps, users can ensure that their bronze bushingscontinue to perform effectively and efficiently.

Shaft Sleeve Metric Bronze Bushings

 

 
 
Materials Used in Bronze Bushing
01.

SAE 660 (also known as C93200 or SAE 660 Bearing Bronze)

This is a widely used bearing bronze alloy consisting of approximately 83% copper, 7- 10% tin, and small amounts of other elements like zinc, lead, and nickel. It offers good wear resistance and machinability and is suitable for various applications, especially in industrial and automotive equipment.

02.

Aluminum Bronze (C95400 and C95500)

 

These bronze alloys contain a higher percentage of aluminum, copper, and other elements. Aluminum bronze bushings offer excellent corrosion resistance and increased load-carrying capabilities, making them suitable for marine applications and heavy machinery.

03.

SAE 841 (C86300 or SAE 841 Oil-Impregnated Bronze)

 

This bronze alloy is designed explicitly for self-lubricating bushings. It contains approximately 84-87% copper, 8-12% tin, and around 3-5% other elements like iron and carbon. These bushings work well in applications where continuous lubrication is difficult to achieve.

04.

Phosphor Bronze (C51000 and C54400)

 

Phosphor bronze bushings contain a small amount of phosphorus, which improves wear resistance and reduces friction. They are commonly used in applications that require resistance to corrosion and wear.

 

Importance of Bronze Bushings in Various Industries

 

Bronze bushings are commonly used in various industries for their durability, versatility, and reliability. These components are madeof a mix of copper and tin, making them strong and resistant to wear and tear. In industries such as automotive, aerospace, marine,and construction, bronze bushings play a crucial role in ensuring smooth operation of machinery and equipment. They are used toreduce friction between moving parts, absorb shock and vibration, and provide support and stability. In the automotive industry,bronze bushings are used in various applications such as suspension systems, steering mechanisms, and engine components. Theyhelp to reduce friction and wear between moving parts, resulting in improved performance and longevity of the vehicle. In theaerospace industry, bronze bushings are used in aircraft landing gear, control systems, and engine components. Their ability towithstand high temperatures and extreme conditions make them ideal for use in aircrafts. In the marine industry, bronze bushingsare used in propeller shafts, rudders, and steering systems. They provide excellent corrosion resistance, making them ideal for usein saltwater environments. In the construction industry, bronze bushings are used in heavy machinery, cranes, and elevators. Theirability to withstand heavy loads and constant movement make them essential components in ensuring the safety and efficiency ofthese machines. Overall, bronze bushings are indispensable in various industries for their strength, durability, and versatility.

 

Solid Bronze Bushings

 

What Is the Difference Between a Bronze Bushing and a Bearing

The two words - bushing and bearing - get thrown around a lot together. Sometimes they are even used interchangeably. But while they are very similar, they do have a slight difference. Let’s take a look at why this confusion is so prevalent. A bearing is a component piece that is decided to help two different parts move without too much friction between them. There are different designs for how this works, such as ball bearings, roller bearings, needle bearings, sleeve bearings, flange bearings, etc. Depending on what you are using the bearing for, you will choose the best design. A bushing is a type of bearing. They are also referred to as plain bearings or sleeve bearings. It moves in a sliding motion between two moving surfaces, also reducing friction.

 

Discover 5 Bearing Design For Graphite Bronze Bushing

 

Graphite impregnated bronze bushing
These bushings are made by adding graphite inserts to the bronze material during the casting process. They do not require prolonged lubrication and are suitable for high loads. They have a low coefficient of friction and are wear-resistant

 

Plug graphite bushing
In this design, a solid lubricant graphite-based plug is incorporated into the bronze material. This makes self-lubricating bushings particularly suitable for applications where maintenance is a challenge and traditional greases and lubricants may burn out due to elevated temperatures.

 

Chemical composition casing
These bushings are made of a high-strength bronze alloy with a permanently embedded PTFE solid lubricant. They are suitable for underwater applications and are specified by hydraulic authorities and engineering departments.

 

Oil-free flanged graphite self-lubricating bearings
This design uses flange bearings with graphite self-lubricating plugs. They are oil-free and available in a variety of flange bearings and graphite self-lubricating bushings

 

Cast bronze bearings
These bearings are made of high-strength bronze alloy and have good wear and corrosion resistance. They are used in a variety of applications including aerospace, oil and gas, and marine/defence

 

 

Why Do We Use Bronze Bushings

In addition to other useful properties such as strength and reasonable cost, bronze is also "self-lubricating" to some extent. Bronze bushings can accommodate minor imperfections in the shaft and can also fill minor imperfections through friction. It can also be formulated to be porous and allow liquid lubricant to migrate through the metal to the area where the bushing shaft contacts.

Metric Bronze Bushings

 

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Our Factory

Changzhou pufa machinery co., LTD, established in 1986, is a professional copper alloy manufacturer which specializes in casting, extrusion and finish machining. After more than 30 years of development, our company is now covering an area of more than 20,000 square meters and have 120 employees.

 

 
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FAQ
 
 

Q: What is a bronze bushing?

A: Bronze bushings are widely used in the energy and power generation fields. Wind turbines use bronze bushings for gearbox components, yaw mechanisms and blade pitch systems. Bronze's wear resistance and durability help bearings perform under challenging environmental conditions and continuous motion.

Q: How do bronze bushings extend equipment life?

A: Bronze bushings' wear resistance and ability to handle heavy loads reduce friction and wear between components, extending equipment life and reducing the need for frequent replacement.

Q: Can bronze bushings be used in high temperature environments?

A: Bronze bushings can withstand moderate high temperatures, but selecting the appropriate bronze alloy with higher temperature resistance is critical for extreme high temperature conditions.

Q: How do I choose the right bronze bushing for my industrial equipment?

A: When selecting a bronze bushing, consider load capacity, operating speed, temperature range and specific application requirements. Consult your bearing supplier or industry expert for guidance.

Q: Do bronze bushings require regular maintenance?

A: While bronze bushings are generally low maintenance, if the self-lubricating type is not used, it is critical to monitor them regularly and ensure proper lubrication. Regular inspection and replacement when necessary will help achieve optimal performance and longevity.

Q: Are there any environmental considerations for bronze bushings?

A: Bronze is a metal that can be recycled, making bronze bushings an environmentally friendly choice. Additionally, their long lifespan reduces waste and resource consumption compared to less durable alternatives.

Q: How are bronze bushings made?

A: Cast Bronze Bushings are produced using a traditional casting process where molten metal is shaped in molds. This contrasts with Oil-Impregnated Bronze Bushings, which are created through powder metallurgy, resulting in a porous structure that is then infused with lubricating oil.

Q: Why are bushings made of bronze?

A: Cast bronze bushes are more resistant to corrosion and so ideal for wet environments. Sintered bronze bushings are ideal for applications under high and low speeds conditions and a wide range of temperatures.

Q: Do bronze bushings need oil?

A: SKF solid bronze bushings can be lubricated with either oil or grease. The lubricant not only improves the sliding properties, but also reduces wear and prevents corrosion. While oil is used in exceptional cases, solid bronze bushings are typically grease lubricated.

Q: Do bronze bushings need to be greased?

A: Unlike self-lubricating polymer options, bronze bushings require abundant amounts of lubricating grease to keep industrial equipment running.

Q: What are the advantages of bronze bushings?

A: Bronze bushings offer exceptional mechanical properties, including wear resistance, durability, high-load capacity, and corrosion resistance. Compared to plastic bushings, bronze bushings deliver improved performance and longevity, making them a cost-effective solution for demanding applications.

Q: Are bronze bushings strong?

A: A bronze bushing is harder and less likely to break or deform than those made of other materials. Like plastic, bronze bushings are long-lasting and corrosion resistant. As noted above, their strength allows them to hold up under impact.

Q: Why do we use bronze bushings?

A: Bronze bushings offer exceptional mechanical properties, including wear resistance, durability, high-load capacity, and corrosion resistance. Compared to plastic bushings, bronze bushings deliver improved performance and longevity, making them a cost-effective solution for demanding applications.

Q: Is bronze bushing good?

A: Bronze bushings are known for their excellent load-bearing capacity. Combined with graphite plugs' self-lubricating properties, they can handle high loads and pressures without significant wear and damage.

Q: How do bronze bushings work?

A: Bronze bushings with graphite plugs are a type of bearing made from bronze and graphite materials. They are commonly used in applications where self-lubrication and resistance to wear are important. The bronze material provides strength and durability to the bushing, while the graphite plugs act as solid lubricants.

Q: What are bronze bushing made of?

A: Unlike oil-impregnated bushings, cast bronze bushings are not formed from powder. Instead, they are formed from a solid or hollow bronze cast bar that undergoes machining processes designed to achieve a precise final shape. First bronze is continuous or centrifugally cast into a solid or hollow bar.

Q: How thick is bronze bushing?

A: Thick-walled bronze bushings feature a standard wall thickness between 0.0625 and 0.156 inches. In comparison, the wall thickness of a plastic bushing is much thinner, typically anywhere from 0.0468 to 0.0625 inches.

Q: Why are bushings made of bronze?

A: Cast bronze bushes are more resistant to corrosion and so ideal for wet environments. Sintered bronze bushings are ideal for applications under high and low speeds conditions and a wide range of temperatures.

Q: What grade is bronze bushing?

A: Bush Material Grade: The grade of bush material is pivotal in determining its properties and suitability for various applications. For instance: Phosphor Bronze might come in grades like C51000 or C52100, each having unique tin and phosphorus contents. Bearing Bronze might be available as SAE 660 or C93200.

Q: Are bronze bushings strong?

A: A bronze bushing is harder and less likely to break or deform than those made of other materials. Like plastic, bronze bushings are long-lasting and corrosion resistant. As noted above, their strength allows them to hold up under impact.

We're well-known as one of the leading bronze bushing suppliers in China since 1986, featured by quality products and competitive price. Please feel free to wholesale custom bronze bushing made in China here from our factory. For OEM service, contact us now.

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