self-lubricating bushes composite bearing material developed specifically to operate with marginal lubrication and consists of three bonded layers: a steel backing strip and a sintered porous bronze matrix, impregnated and overlaid with a pigmented acetal copolymer bearing material
Graphite Embedded Bush

Graphite Embedded Bush

Discover our plain bearings: Flange bearings, sleeve bushings, and thrust washers. Customizable bushing materials available. Our products are wear-resistant, maintenance-free, and designed to withstand dirt, dust, and corrosion.

Graphite Embedded Bush,Unveiling the Future of Friction Management: The Graphite Embedded Bush with AB2/CuAl10Ni Material (Material no.: 2.0975) Flanged Bronze Graphite Bushing self lubricating Bearings.

Graphite Embedded Bush Features, By utilizing graphite-embedded brass bushings, vessel repair and construction professionals can benefit from improved durability, reduced maintenance requirements, and enhanced corrosion resistance in critical marine applications.

Graphite Solid Lubrication Materials, Self-Lubricating Materials for Extreme Condition Applications

Graphite flakes deposit along the shaft over time as a solid lubricant. The lamellar structure of graphite makes it ideal to reduce friction.

Incorporating graphite lubrication columns into copper bearings offers several benefits:

Reduced Friction: Copper bearings inherently produce friction during use. The addition of graphite lubrication columns minimizes this friction, thereby lowering energy use and heat production.

Decreased Wear: Over time, copper bearings are susceptible to wear. Graphite lubrication columns can significantly mitigate this wear, enhancing the longevity of the bearings.

Enhanced Efficiency: By decreasing both friction and wear, graphite lubrication columns improve the overall efficiency and performance of copper bearings.

In the ever-evolving landscape of mechanical engineering and machinery development, the consistent pursuit of materials and components that can withstand the rigors of industrial application remains paramount. One such advancement that has made a significant impact in various industrial sectors is the development of the Graphite Embedded Bush, specifically crafted from AB2/CuAl10Ni material (Material no.: 2.0975).

An Epitome of Low-Maintenance Operation, solid graphite lubricant

Traditional bearings and bushings, pivotal in reducing friction between mechanical parts, often require regular maintenance and lubrication to ensure smooth operation. Conversely, the Graphite Embedded Bush, notably manufactured with AB2/CuAl10Ni material, distinguishes itself by offering self-lubricating properties, providing a pathway towards reduced maintenance and operational costs. The embedded graphite particles consistently release lubrication, ensuring the machinery operates smoothly even during high-friction processes, thereby substantially extending the component’s life cycle.

With Application in Hydropower Bearings, Navigating Through High Loads with Efficacy

Machinery used in industries such as manufacturing, construction, and automotive often encounters scenarios involving high static and dynamic loads. The utilisation of AB2/CuAl10Ni material in Graphite Embedded Bushes is a strategic choice, designed to endure these high loads without compromising on performance. Its ability to maintain structural integrity and stability under substantial pressure makes it an invaluable asset in applications that demand robustness and reliability.

Enduring the Extremes: Wide Temperature Operability

Another stellar attribute of the Graphite Embedded Bush made with AB2/CuAl10Ni material is its impressive operability across a wide temperature spectrum. Whether your machinery is operating under the sweltering heat of an industrial furnace or in the bone-chilling cold of arctic explorations, this bushing ensures consistent, reliable performance, securing its position as a versatile and indispensable component in various applications.

Embodiment of Durability and Resistance

The specific alloy combination in the AB2/CuAl10Ni material not only confers excellent mechanical properties but also excellentows superior corrosion resistance and durability to the Graphite Embedded Bush. This characteristic ensures that the bushing can resist wear and tear, even in harsh environments, providing a sustainable solution that can weather both physical and temporal challenges.

A Versatile Solution Across Industries

The Graphite Embedded Bush, with its myriad of advantageous properties, finds applicability across diverse industries – from the intricate machinery of pharmaceutical manufacturing to the colossal components of construction equipment. The inherent versatility of the AB2/CuAl10Ni material and the self-lubricating properties provided by the embedded graphite, make it a go-to solution for scenarios demanding a combination of high load-bearing capacity and low maintenance.

Graphite Embedded Bush: The Future is Here and Now

The adoption of Graphite Embedded Bushes, especially those manufactured with AB2/CuAl10Ni material, signals a forward stride in mechanical engineering, addressing the perennial challenges of friction management, durability, and maintenance. By incorporating these advanced components into your machinery, you not only ensure optimal operational efficiency but also embark on a journey towards innovative, sustainable, and future-ready industrial applications.

In a world that continually seeks smarter, more efficient, and sustainable solutions, the Graphite Embedded Bush stands tall as a testament to innovative engineering, offering a glimpse into the future of industrial machinery and mechanical design.

Graphite pattern bushings made from high-tensile brass alloys are specialized components designed for superior performance in demanding industrial applications. These bushings incorporate solid lubricants, such as graphite, into a high-strength brass alloy, providing self-lubricating properties that reduce friction and wear, thereby enhancing machinery efficiency and longevity.

Material Composition and Properties

High-Tensile Brass Alloy

High-tensile brass is an alloy primarily composed of copper and zinc, with additional elements such as aluminum, manganese, and iron to enhance its mechanical properties. A common composition for high-tensile brass used in these bushings is CuZn25Al6Fe3Mn3, which includes:

  • Copper (Cu): 60-65%
  • Zinc (Zn): 24-25%
  • Aluminum (Al): 3-7.5%
  • Iron (Fe): 2-5%
  • Manganese (Mn): 3-4%

This composition provides the alloy with high tensile strength, excellent wear resistance, and good corrosion resistance, making it suitable for high-load and high-wear applications.

Graphite Integration

The integration of graphite into the brass alloy serves as a solid lubricant. Graphite’s self-lubricating properties reduce the need for additional lubrication, which is particularly beneficial in environments where traditional lubricants are impractical or where maintenance is challenging. The graphite reduces friction and wear, extending the service life of the bushings and the machinery they are part of.

Applications in Vessel Repair and Construction

Graphite-embedded brass bushings find numerous applications in vessel repair and construction:

  • Propeller shaft bearings: These bushings can withstand the high loads and corrosive environment of propeller shafts while providing continuous lubrication.
  • Rudder bearings: The self-lubricating properties ensure smooth rudder operation even in challenging conditions.
  • Deck equipment: Winches, cranes, and other deck machinery benefit from the low maintenance requirements of these bushings.
  • Engine mounts: The vibration-damping properties of graphite-embedded bushings make them suitable for engine mounting applications.

Graphite pattern bushings made from high-tensile brass alloys are used in a variety of industrial settings, including:

  • Marine Industry: Due to their excellent corrosion resistance and ability to withstand harsh marine environments.
  • Construction and Mining Machinery: For their high load capacity and durability under heavy stress and wear.
  • Automotive and Aerospace: Providing smooth, low-friction surfaces between moving parts, reducing wear and tear.
  • Metallurgical Equipment: Used in continuous casting machines and rolling mills due to their high strength and wear resistance.

The Science of Self-Lubrication Advantages

  • Self-Lubricating: The embedded graphite provides continuous lubrication, reducing maintenance needs and operational costs.
  • High Strength and Durability: The high-tensile brass alloy can withstand significant mechanical loads and stresses, making it ideal for heavy-duty applications.
  • Corrosion Resistance: The alloy’s composition ensures excellent resistance to corrosion, particularly in marine and other harsh environments.
  • Wear Resistance: The combination of high strength, hardness, and graphite integration results in superior wear resistance, extending the lifespan of the bushings.
  • Graphite is a good solid lubricant that is normally added to a bronze type bearing. Solid plugs of graphite are usually inserted into holes in the base bronze

In conclusion, graphite pattern bushings made from high-tensile brass alloys are a robust and efficient solution for various industrial applications, offering significant advantages in terms of self-lubrication, strength, durability, and corrosion resistance.

Sliding Bearing, Self-lubricated Bronze Bearings, graphite bronze bushings
Selection of Self-lubricated Bearings graphite bronze bushings
Self-lubricated Bearings Material Compostion and Properties graphite bronze bushings
Code (650#) (650#S1) (650#S2) (650#S3) (650#S4) (HT250) (Gcr15)
Code CuZn25Al5Mn3Fe3 CuZn25Al5Mn3Fe3 CuAl9Fe4Ni4Mn2 CuSn5Pb5Zn5 CuSn12 HT250 Gcr15
Density 8.0 8.0 8.5 8.9 9.05 7.3 7.8
Hardness HB > 210 > 250 > 150 > 70 > 80 > 190 HRC>58
N/mm2 Tensile strength > 750 > 800 > 800 > 200 > 260 > 250 > 1500
Elongation% > 12 > 8 > 15 > 10 > 8 > 5 > 15

Coeicien of linear

expansion 10-5/℃

1.9 1.9 1.9 1.8 1.8 1.0 1.1
Limit Temp ℃ -40~+300 -40~+150 -40~+400 -40~+400 -40~+400 -40~+400 -40~+400
Max.load N/mm2 100 120 150 60 70 80 200
m/min Max.speed (Dry) 15 15 20 10 10 8 5
Max.PV N/mm2 *m/min 200 200 60 60 80 40 150
300N/mm2 <0.01 <0.005 <0.04 <0.05 <0.05 <0.015 <0.002
                   
Self-lubricating Bronze Bering Base Material Code
Material
Codes
China Brands
GB1176-87
International
ISO 1338
Germany
DIN
Japan
JIS
America
ASTM(UNS)
England
BS
France
NF
Applicable conditions
(650#) ZCuZn25Al6Fe3Mn3 GCuZn25Al6Fe3Mn3 DIN1709
G-CuZn25Al5
H5102
CAC304
B30-92
C86300
HTB2   High-load, low-speed applications are commonly used.

(650

#S1)

ZCuZn25Al6Fe3Mn3 GCuZn25Al6Fe3Mn3 DIN1709
G-CuZn25Al5
H5102
CAC304
B30-92
C86300
HTB2   Over high load , low speed,High load used

(650

#S2)

ZCuSn5Pb5Zn5 GCuPb5Sn5Zn5 DIN1705
G-CuSn5ZnPb
H5111
BC6
B30-92
C83600
LG2 CuPb5Sn5Zn5 GCuPb5Sn5Zn5 for Mid-load, low-speed

(650

#S3)

ZCuAl9Fe4Ni4Mn2 GCuAl10FeNi5 DIN17656
G-CuAl10Ni
H5114
AlBC3
B30-92
C95500
AB2 CuAl10Fe5Ni5 GCuAl10FeNi5, commonly utilized for mid-load and mid-speed applications.
(HT250) GB5675-85
HT250
    FC250 ASTM
Class40
    HT250 for Mid-load ,low speed
                                     
Solid Lubricant Bearing, graphite bronze bushings
Lubricant Features Typical application
SL1
Graphite+add
Exceptional resistance to chemical attacks and minimal friction, with a temperature limit of 400°C. Suitable for general machinery and atmospheric conditions
SL4
PTFE+add
Lowest in friction and good of water Lubrication,Temp limit 300℃ Ship, hydraulic turbine, gas turbine, and so on.
 
 

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