Carbon Graphit Bushing Bearing

Carbon Graphit Bushing Bearing

Carbon graphite bushing bearings are high-performance components. Composed of carbon graphite material, they possess excellent self-lubricating properties, reducing friction and wear. With good thermal conductivity and resistance to high temperatures, they can operate stably in various industrial applications, ensuring smooth and efficient machinery movement.

Excellent self-lubrication
The unique crystal structure of carbon graphite material gives it an inherent excellent self-lubrication performance. In actual work, it can form a thin and stable lubricating film on the contact surface by virtue of its own characteristics. This film greatly reduces the direct friction between components, and can significantly reduce the friction coefficient even in the case of little or no oil when lubricant is scarce. As a result, component wear is greatly reduced and the overall service life of the equipment is significantly extended. At the same time, since there is no need to add lubricants frequently, the maintenance workload and cost are sharply reduced, and the time for equipment downtime for maintenance is also greatly shortened. In some special scenarios such as aerial work equipment and deep-sea exploration instruments, because it is extremely inconvenient to add lubricants, the self-lubrication of carbon graphite bushing bearings highlights an incomparable advantage, ensuring that the equipment can continue to operate stably.
Good high temperature resistance
The carbon graphit bushing bearing can withstand quite high temperatures. Its special material composition gives it the ability to maintain structural integrity and stable performance in high temperature environments. Even if it is in high temperature conditions for a long time, it will not soften or deform like ordinary bearing materials, and its lubrication ability can still be maintained at an effective level. In the peripheral equipment of high-temperature furnaces in the metallurgical industry and the transmission devices of high-temperature reactors in the chemical industry, carbon graphite bushing bearings can calmly cope with extreme high temperatures, ensure the accuracy of the equipment under high temperature conditions, and enable the entire production system to operate in an orderly and continuous manner, without causing production interruptions or product quality degradation due to high-temperature failure of the bearings.
Strong chemical stability
Carbon graphite bushing bearings show a high tolerance to many chemical substances. Whether it is strong acids, strong alkalis, or various organic solvents, it can handle them safely and will hardly react chemically with them and suffer corrosion. In the chemical production workshop, there are all kinds of corrosive chemicals, and carbon graphite bushing bearings are installed in chemical production equipment, which can operate stably for a long time and effectively resist the erosion of the surrounding chemical environment. In the sewage treatment device, the various complex chemical components contained in the sewage cannot cause damage to it. This strong chemical stability effectively prevents bearing damage caused by corrosion, builds a solid line of defense for the long-term safe and stable operation of the equipment, and ensures that the equipment can perform its functions reliably in harsh chemical environments for a long time.
Good thermal conductivity
It has excellent heat conduction efficiency. When the equipment is running, heat will inevitably be generated in the bearing part, and the carbon graphite bushing bearing can quickly conduct this heat away. Its good thermal conductivity effectively prevents excessive heat accumulation in the bearing part, thereby avoiding a series of problems caused by overheating. For example, the mechanical properties of the material will not deteriorate due to local overheating, and the dimensional accuracy will not change due to thermal expansion and contraction. This plays a key role in maintaining the high precision and overall performance of the bearing. In high-speed mechanical equipment, such as precision machine tools, high-speed motors, etc., good thermal conductivity can keep the bearing in a suitable operating temperature range at all times, greatly improving the stability of the equipment operation, reducing the probability of failures caused by temperature factors, and thus improving the equipment's working efficiency and product processing quality.

carbon graphit bushing bearing
carbon graphit bushing bearing
carbon graphit bushing bearing

 

 

Product material details table
 

 

Carbon graphite bearings and bushings material properties
Material Material grade Chemical composition (mass fraction)/% Minimum① densityD,①②
/g.cm³
Radial crushing strength K Oil contentP₁④
element Minimum Maximum 10³psi MPa (Volume fraction)/% Minimum Maximum
Bronze (low graphite) CT-1000-K19 Copper, tin, graphite,
other⑤
Margin

9.5

0

0
Margin

10.5

0.3

2.0
19 130 24⑥ 6.0 6.4
CT-1000-K26 Copper, tin, graphite,
other⑤
Margin

9.5

0

0
Margin

10.5

0.3

2.0
26 180 19 6.4 6.8
CT-1000-K37 Copper, tin, graphite,
other⑤
Margin

9.5

0

0
Margin

10.5

0.3

2.0
37 260 12 6.8 7.2
CT-1000-K40 Copper, tin, graphite,
other⑤
Margin

9.5

0

0
Margin

10.5

0.3

2.0
40 280 9 7.2 7.6
Bronze (Medium Graphite) CTG-1001-K17 Copper, tin, graphite,
other⑤
Margin

9.5

0.5

0
Margin

10.5

1.8

2.0
17 120 22⑦ 6.0 6.4
CTG-1001-K23 Copper, tin, graphite,
other⑤
Margin

9.5

0.5

0
Margin

10.5

1.8

2.0
23 160 17 6 7
CTG-1001-K30 Copper, tin, graphite,
other⑤
Margin

9.5

0.5

0
Margin

10.5

1.8

2.0
30 210 9 7 7
CTG-1001-K34 Copper, tin, graphite,
other⑤
Margin

9.5

0.5

0
Margin

10.5

1.8

2.0
34 230 7 7 8
Bronze (high graphite) CTG-1004-K10 Copper, tin, graphite,
other⑤
Margin

9.2

2.5

0
Margin

10.2

5.0

2.0
10 70 11⑧ 6 6
CTG-1004-K15 Copper, tin, graphite,
other⑤
Margin

9.2

2.5

0
Margin

10.2

5.0

2.0
15 100 6 7
①These data are based on finished material. ②Oil-containing. The density of the oil is assumed to be 0.875 g/cm³.
③At the conditions of graphite content (5%) and the highest density (6.6 g/cm³), the material contains only trace amounts of oil. At 3% graphite and a density of 6.2-6.6
g/cm³, the oil content may be 8% (volume).
④With increasing density, the minimum oil content decreases. The values ​​shown in the table are valid up to the upper density limits given.
⑤The maximum iron content is 1%.
⑥At a minimum oil content of 27%, the density range is 5.8-6.2 g/cm³, and the constant K is 105 MPa.
⑦At a minimum oil content of 25%, the density range is 5.8-6.2 g/cm³, and the constant K is 90 MPa.
⑧At a graphite content of 3%, the minimum oil content is 14%.

 

 

 

Application areas of carbon graphit bushing bearing
 

 

Chemical Industry
 

The environment of chemical production is extremely complex and highly corrosive. Many chemical processes involve strong acids, such as sulfuric acid, hydrochloric acid, strong alkalis such as sodium hydroxide, and various organic solvents, such as benzene and acetone. Carbon graphite sleeve bearings have excellent chemical stability. Their special material structure prevents them from easily reacting chemically when in contact with these corrosive media, thus effectively resisting erosion. In chemical pumps, they can operate stably for a long time, avoiding pump leakage or failure caused by bearing corrosion, and ensuring smooth transportation of chemical fluids. For reactor stirring devices, bearings that continue to operate in corrosive materials rely on their anti-corrosion properties to reduce wear caused by corrosion, greatly reducing the frequency of frequent maintenance and replacement of bearings, effectively ensuring the continuity of the entire chemical production process, improving the efficiency and safety of chemical production, and reducing the economic losses caused by equipment downtime and maintenance.

The chemical industry can wean itself off fossil feedstocks. Here's how |  World Economic Forum

Food and Pharmaceutical Industry

 

Hygenic design in the food & pharma industry | fortop

The food and pharmaceutical industry has almost stringent requirements for the cleanliness of the production environment. The self-lubricating performance of carbon graphite sleeve bearings has become a key advantage, and no additional grease lubrication is required during operation. In pharmaceutical equipment, centrifuges rotate at high speed to separate substances, and mixers continuously stir raw materials. If traditional bearings that require grease lubrication are used, grease may be mixed into the pharmaceutical raw materials. Carbon graphite sleeve bearings eliminate this risk of contamination and strictly meet the hygiene standards for pharmaceutical production. In food processing equipment, conveyors continuously transport food materials, and filling machines accurately fill food products. The self-lubricating property of the bearings not only ensures the normal and stable operation of the equipment, but also maintains a highly clean production environment, avoiding the potential threat of grease to food quality and safety, and ensuring that consumers can safely consume related foods and medicines.

 

 

Why Choose Us
 

 

National High-Tech Enterprise:

As a national high-tech enterprise, Jiande Weijia Technology Co., Ltd. has been actively engaged in scientific and technological research and development and production and manufacturing, and is committed to providing high-quality products and services to our customers.

Application Areas:

Our products are widely used in machinery, electronics, electrical appliances, medical devices, hand/power tools, communications, motorcycles and automobiles. The quality is stable and reliable and is widely praised by customers.

modular-7

System Certification And Product Quality:

The company has obtained ISO9001:2015 and IATF16949:2016 management system certification, and continuously improves product quality and service levels to meet the growing needs of customers. The company has an independent laboratory to conduct strict quality inspections on each batch of products to ensure that each product meets customer requirements. We firmly believe that trust is built on quality and service, so we pay attention to product quality and customer service.

Partners:

The product market and major partners are from Europe and the United States, indicating that our product quality has been recognized by the international market.

 

Maybe You Still Want To Know
 
 

Q: 1: Can the base material used in this product remain stable in a high temperature environment?

A: Its base material has excellent high temperature resistance. Under high temperature conditions, the structure of the material will not change easily, and it can withstand high temperatures without softening, deforming or losing its original mechanical properties. This allows it to be used in some scenes with high working temperatures, such as in the transmission devices around some industrial furnaces. Even if it is under the influence of high temperature radiation and heat conduction for a long time, it can still function stably, ensuring the normal operation of the equipment, reducing the risk of failure downtime caused by high temperature, greatly improving the reliability and safety of equipment operation, and also reducing the maintenance costs caused by frequent replacement of parts damaged by high temperature.

Q: 2: What are its lubrication characteristics? Does it require frequent maintenance?

A: This product has unique self-lubricating properties. Its own structure and composition enable it to maintain a relatively low friction coefficient during operation even without a continuous external supply of lubricant. This self-lubricating ability reduces the reliance on additional lubrication measures and performs well in many environments where manual lubrication operations are difficult or frequent addition of lubricants is not convenient. For example, inside some sealed and small-space equipment, or in places where environmental

Q: 3: How durable is it in an environment with chemical substances?

A: It shows strong durability in the face of various chemical substances. It can effectively resist the erosion of chemical substances such as acid, alkaline or organic solvents. In environments such as chemical production workshops and pharmaceutical factories where there are a large number of corrosive chemicals, its special material can prevent chemical reactions with chemical substances, thereby avoiding structural damage and performance degradation caused by corrosion. Compared with some ordinary materials, it has a longer service life in such harsh chemical environments. For example, if this material is used for some rotating parts in chemical pipelines, it can reduce the frequent replacement of parts due to chemical corrosion, ensure the continuity of the chemical production process, and reduce the risk of production interruption and economic losses caused by equipment maintenance and replacement of parts.

Q: 4: Can its carrying capacity meet the general requirements of industrial equipment?

A: It has a certain load-bearing capacity and can meet the general requirements of many industrial equipment. It can withstand the corresponding force in both radial and axial loads. In some medium-load industrial equipment, such as ordinary mechanical transmission devices, small processing equipment, etc., it can stably support rotating parts and ensure the normal operation of the equipment. The stability of its load-bearing capacity ensures that during the operation of the equipment, there will be no excessive wear, deformation or damage due to the load. This provides a reliable guarantee for the stable operation of industrial equipment, reduces equipment failures and safety hazards caused by insufficient bearing capacity, helps to improve the efficiency and quality of industrial production, and prolongs the overall service life of the equipment.

Q: 5: How does it perform in high-speed equipment?

A: It has a good performance in high-speed equipment. Its low friction coefficient makes the heat generated relatively less during high-speed rotation, thereby reducing the impact of high temperature on itself and surrounding parts. At the same time, its material properties ensure the structural stability under high-speed operation, and it will not easily deform or break due to factors such as centrifugal force. For example, if this material is used in the rotor support of some high-speed motors or the rotating shaft connection of high-speed centrifuges, it can effectively reduce energy loss, improve the operating efficiency of the equipment, and ensure the reliability and safety of the equipment during long-term high-speed operation, reduce the number of equipment shutdowns and repairs caused by bearing problems, and improve production continuity and economic benefits.

Q: 6: How is the adaptability of this material in a humid environment?

A: Answer: It has good adaptability in a humid environment. Even in a high humidity environment, it will not quickly deteriorate, rust or lose its original performance due to the intrusion of water. In some humid environments such as water conservancy engineering equipment and mechanical devices for seaside operations, it can maintain stable mechanical properties and ensure the normal operation of the equipment. Its surface characteristics and internal structure can effectively prevent moisture from having adverse effects on it and reduce corrosion and wear caused by moisture. For example, in some rotating parts of a turbine, which are in a humid and water-flushed environment for a long time, the use of this material can reduce the maintenance frequency, improve the operating reliability of the equipment, and ensure the continuous operation of related operations such as hydropower generation.

Q: 7: What are the advantages of this product in energy saving?

A: From the perspective of energy saving, it has many advantages. Due to its low friction coefficient, the friction between the equipment and other parts is small during operation, which means that under the same power drive, the equipment can operate more efficiently and reduce energy loss during friction. For example, if this product is used in various transmission devices in industrial production lines, the load of power sources such as motors can be reduced, thereby reducing power consumption. Moreover, because it can maintain good performance under special working conditions such as high temperature and high speed, it avoids additional energy consumption caused by performance degradation, such as the energy consumed by cooling equipment due to overheating, or the energy consumed by frequent maintenance and replacement of parts, etc., achieving energy-saving effects from multiple links, helping enterprises reduce production costs and improve energy utilization efficiency, meeting the requirements of modern industry for energy conservation and emission reduction.

 

 

 

 

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