JDB650 bushing bronze with graphite plugs

JDB650 bushing bronze with graphite plugs

Say goodbye to the hassle of frequent lubrication maintenance. Our self-lubricating technology ensures smooth operation and reduces wear and tear, extending the lifespan of your equipment. Experience uninterrupted productivity and cost savings as you bid farewell to the need for messy lubricants and time-consuming upkeep.

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Manufacturing on Demand, alternative solutions

JDB650 bushing bronze with graphite plugs

Bronze bushings embedded with graphite plugs combine the robustness of bronze with the lubricating qualities of graphite. The strength and resilience of the bronze provide a sturdy structure, while the graphite plugs serve as embedded solid lubricants. These plugs gradually release lubricating particles during motion, enhancing the self-lubricating feature that significantly reduces friction with the interacting shaft or moving components. This characteristic lessens wear and prolongs the service life of the bushing. Primarily utilized in scenarios demanding high-load capacity and low-speed operation, where traditional lubrication might be challenging or inadequate, these bushings are celebrated for their minimal maintenance needs. They offer some level of corrosion resistance, perform efficiently under both wet and dry conditions, and can withstand a broad spectrum of temperatures. Such bushings are deployed across various sectors, including oil and gas, industrial machinery, certain maritime environments, and agricultural tools, where direct lubrication is impractical, costly, or impossible. Their self-lubricating property ensures optimal performance even under strenuous loads and at slow speeds. Crafted from continuous cast bronze bar stock, these sleeve bushings are machined to precision, then milled to incorporate solid graphite-based lubricant plugs, making them ideal for applications where standard lubricants could evaporate due to extreme heat.

Steel Mills & Machinery: Enhancing Performance with Oilless Bushings and Bearings

The JDB650 bushing is a self-lubricating bronze bushing that contains graphite plugs. The bronze material provides excellent wear resistance and high load-bearing capacity, while the graphite plugs act as a solid lubricant that reduces friction and wear between the bushing and the shaft. The graphite plugs in the bushing provide continuous lubrication, eliminating the need for external lubrication. These bushings are commonly used in applications such as hydraulic cylinders, injection molding machines, heavy machinery, steel mills, construction equipment, and marine applications. They are known for their low maintenance requirements, corrosion resistance, and ability to operate in a wide range of temperatures. The self-lubricating features of the JDB650 bushing make it an ideal choice for applications where maintenance is difficult and where conventional lubrication methods are impractical or insufficient.

Steel mills and machinery play a crucial role in various industrial sectors, and ensuring their optimal performance is essential for productivity and efficiency. One key component that significantly impacts their functioning is the use of oilless bushings and bearings. These self-lubricating materials offer a range of advantages, including anti-slip properties, high temperature and corrosion resistance, and quick availability for short overhaul schedules. In this article, we will explore the applications and benefits of oilless bushings and bearings in steel mills and machinery, highlighting their role in enhancing performance and reliability.

Advantages of Oilless Bushings and Bearings

  1. Self-lubrication for Dry and Hot Running Applications: Oilless bushings and bearings excel in dry and hot running conditions. Their self-lubricating properties ensure smooth operation and reduce friction, recognized to enhanced performance and prolonged service life.
  2. Anti-Slip Properties: Slippery surfaces can hinder the efficiency and safety of machinery. Oilless bushings and bearings provide excellent anti-slip properties, allowing for secure and stable operation even under challenging working conditions.
  3. High Temperature and Corrosion Resistance: Steel mills and machinery often operate at high temperatures and are exposed to corrosive environments. Oilless bushings and bearings are designed to withstand these harsh conditions, ensuring reliable performance and minimizing downtime.
  4. Quick Availability for Short Overhaul Schedules: Time is of the essence in industrial settings. Oilless bushings and bearings offer the advantage of quick availability, enabling timely maintenance and reducing production interruptions during short overhaul schedules.

Applications of Oilless Bushings and Bearings

Oilless bushings and bearings find extensive applications in steel mills, continuous casting, and cold/hot rolling mills machinery and equipment. The versatility and reliability of these components make them indispensable in various crucial areas, including:

  1. Ladle Trunion Bushing: The ladle trunion bushing supports and facilitates the movement of the ladle, ensuring smooth and efficient operations during steel pouring and transfer processes.
  2. Ladle Tilting Bushing: Oilless bushings are used in ladle tilting mechanisms, enabling controlled and precise tilting motions for accurate pouring and handling of molten steel.
  3. Cold & Hot Shearing Machine Plates: Oilless bushings are integrated into shearing machine plates to reduce friction and enhance cutting precision, ensuring smooth and accurate shearing operations.
  4. Coiler/Un-coiler Sliding Plate: These sliding plates, equipped with oilless bushings, enable seamless movement and precise control in coiling and uncoiling processes, reducing wear and tear and improving overall efficiency.
  5. Universal Joints Slipper Plates: Oilless bushings in universal joint slipper plates facilitate the smooth transmission of power and motion, ensuring reliable and efficient operation of machinery.
  6. Electric Arc Furnace Guide Bushes: Oilless bushings are utilized in electric arc furnace guide systems to guide and support the movement of electrodes, enhancing the stability and accuracy of the melting process.
  7. Knife Gap Guide & Wear Plates: In steel cutting applications, knife gap guide and wear plates with oilless bushings deliver exceptional precision and durability, minimizing friction and ensuring smooth cutting operations.
  8. Other Steel Melting, Casting, and Forming Machinery: Oilless bushings and bearings are employed in various other machinery involved in steel melting, casting, and forming processes, providing reliable performance and minimizing maintenance requirements.

JDB650 Metric Cylindrical Bushes – MADE IN CHINA, JDB650 Metric Cylindrical Bushes

The JDB650 bushing is a self-lubricating bronze bushing that contains graphite plugs. The bronze material provides excellent wear resistance and high load-bearing capacity, while the graphite plugs act as a solid lubricant that reduces friction and wear between the bushing and the shaft.

This type of bushing is commonly used in applications where oil or grease lubrication is not practical or possible, such as in high-temperature environments, high-speed applications, or in environments where contamination may occur. The self-lubricating properties of the JDB650 bushing make it an ideal choice for applications where maintenance is difficult or costly.

Some common applications for JDB650 bushings include:

  • Hydraulic cylinders
  • Injection molding machines
  • Heavy machinery
  • Steel mills
  • Construction equipment
  • Marine applications

Overall, the JDB650 bushing is a reliable and durable choice for applications where self-lubrication is necessary, and it is widely used in a variety of industrial settings.

bushing catalog

JDB650 Metric Cylindrical Bushes, Metallic Self-lubricating Bearings, Material 650# + Graphite, d8 Mating shaft d8
e7 light load
f7 High precision

The JDB650 Metric Cylindrical Bushes are a type of metallic self-lubricating bearing that contains graphite for improved lubrication. The material used for the bushing is 650# bronze, which is known for its high strength, wear resistance, and corrosion resistance.

The JDB650 bushing is designed to fit a mating shaft with a diameter of d8. The e7 light load designation indicates that this bushing is suitable for applications with low loads, while the f7 high precision designation indicates that it has a high level of accuracy and can be used in applications where precise positioning is required.

Some of the advantages of the JDB650 Metric Cylindrical Bushes include:

  • Self-lubricating: The graphite plugs in the bushing provide continuous lubrication, eliminating the need for external lubrication.
  • High load capacity: The bronze material used for the bushing has a high load capacity, making it suitable for heavy-duty applications.
  • Corrosion resistance: The bronze material is resistant to corrosion and can withstand harsh environments.
  • Low coefficient of friction: The graphite plugs in the bushing reduce friction and wear between the bushing and the shaft, improving efficiency and reducing maintenance requirements.

Overall, the JDB650 Metric Cylindrical Bushes are a reliable and durable choice for applications where self-lubrication is necessary and low loads are present, and high precision is required. They are commonly used in the automotive, aerospace, and industrial sectors.

JFB650 Metric Flange Bushes

JFB650 Metric Flange Bushes are a reliable and durable choice for applications where self-lubrication is necessary, and moderate loads and speeds are present. They are commonly used in the automotive, aerospace, and industrial sectors.

JFB650 Metric Flange Bushes are a type of self-lubricating metallic bearing that is designed with a flange for easy installation and improved stability. The flange design helps to prevent the bushing from rotating or moving axially, which can improve the overall performance and lifespan of the bearing.

The JFB650 bushing is made of a 650# bronze material that contains graphite plugs for improved lubrication. This material is known for its high strength, wear resistance, and corrosion resistance, making it a popular choice for heavy-duty applications.

The JFB650 Metric Flange Bushes are designed to fit onto a shaft with a mating diameter of d8. They are suitable for use in applications with low to medium loads and moderate speeds.

Some of the advantages of the JFB650 Metric Flange Bushes include:

  • Self-lubricating: The graphite plugs in the bushing provide continuous lubrication, eliminating the need for external lubrication.
  • High load capacity: The bronze material used for the bushing has a high load capacity, making it suitable for heavy-duty applications.
  • Corrosion resistance: The bronze material is resistant to corrosion and can withstand harsh environments.
  • Flange design: The flange helps to prevent the bushing from rotating or moving axially, improving overall performance and lifespan.

JDB bushings are a type of self-lubricating bushings made of high-strength brass or bronze alloys, commonly used in the oil and gas industry. These bushings provide excellent wear resistance and low friction, making them suitable for high-load and low-speed applications, such as pumps, compressors, and valves.

The self-lubricating properties of JDB bushings come from the embedded solid lubricant, typically graphite, which continuously releases lubricating particles to reduce friction and prevent seizure. This makes JDB bushings ideal for applications where conventional lubrication is difficult or impossible.

JDB bushings can operate in a wide range of temperatures and environments, including corrosive and abrasive conditions commonly found in the oil and gas industry. Additionally, their high strength and resistance to fatigue make them suitable for long-term and heavy-duty use.

Overall, JDB bushings are a reliable and efficient solution for various oil and gas applications, providing reduced maintenance, longer service life, and improved performance.

code material Material alloy

ISO 1338
japan usa germany
500#SP CuZn25AI6FeMn3 CuZn25AI6FeMn3 H5102
CAC304
B30-92
C86300
DIN1709
G-CuZn25N2.0598
500#SP1 CUZn25AI6FeMn3 CuZn25AI6FeMn3 H3102
CAC304
B30-92
C86300
DIN1709 G-CuZn25N2.0598
500#SP5 CuZnAIFeMn3 CuZn25AI6FeMn3 H3102
CAC304
B30-92
C86300
DIN1709 G-CuZn25A/2.0598
CuAI10Fe3 CuA10Fe3 HS114
CAC703
B30-92
95800
DIN1714 GB-Cu Al 1ONl/2.1096
CuSn5Pb5Zn5 QSn5-5-5 H5111
CAC406
B30-92
C83600
DIN1705 G-CuZn25N2.0598

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