Metal-Polymer – Lead-free Bushing Solutions
Hydraulic Self-lubricating Bearing and Bushing
Hydraulic Self-Lubricating Bearings: An Overview
Hydraulic self-lubricating bearings, also known as engineering bushings, are essential components in various industries, such as automotive, aerospace, and construction. They are designed to provide low friction, wear resistance, and maintenance-free operation. This type of bearing is commonly used in hydraulic cylinders, pumps, motors, and other applications where traditional lubrication methods are not feasible or sufficient.
Key Features of Hydraulic Self-Lubricating Bearings:
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Low Friction: These bearings are designed with low friction coefficients to reduce energy consumption and increase the overall efficiency of the systems they are integrated into.
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Wear Resistance: Made from materials such as bronze, stainless steel, and polymer composites, these bearings exhibit high wear resistance, providing extended service life and reducing the need for frequent replacements.
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Maintenance-Free: The self-lubricating nature of these bearings eliminates the need for regular lubrication, reducing maintenance costs and downtime.
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Versatility: Hydraulic self-lubricating bearings can be manufactured in various shapes and sizes, making them suitable for a wide range of applications.
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Environmental Benefits: By reducing the need for external lubrication, these bearings minimize the risk of environmental contamination from lubricants, contributing to a more sustainable industrial ecosystem.
Manufacturing Process of Self-Lubricating Bearings:
The manufacturing process of self-lubricating bearings typically involves the following steps:
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Material Selection: The materials used for the bearing must possess the necessary properties, such as wear resistance, low friction, and compatibility with the working environment.
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Bearing Design: The bearing design must take into account factors such as load capacity, operating conditions, and application requirements.
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Machining: The bearing components are machined to precise dimensions and tolerances to ensure proper fit and function.
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Lubricant Impregnation: Self-lubricating bearings are impregnated with lubricants, such as PTFE or graphite, which are embedded in the bearing material or applied as a coating.
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Quality Control: Rigorous quality control measures are employed to ensure the bearings meet the required specifications and performance criteria.
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Packaging and Shipping: The finished bearings are packaged and shipped to customers for integration into various applications.
Cylinders Bushing Applications:
Hydraulic self-lubricating bearings, or cylinder bushings, are commonly used in the following applications:
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Hydraulic Cylinders: These bearings are ideal for piston rod and cylinder bore applications, where they can reduce friction and wear between moving parts.
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Pumps and Motors: Self-lubricating bearings can be utilized in pumps and motors to minimize wear and extend the service life of the components.
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Heavy Equipment: Construction equipment, such as excavators and loaders, can benefit from the use of self-lubricating bearings, which help reduce maintenance and improve reliability.
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Aerospace and Automotive: In vehicles and aircraft, these bearings can be used in suspension systems, steering components, and other moving parts to enhance performance and reduce maintenance requirements.
Hydraulic self-lubricating bearings offer numerous advantages for various applications, providing an efficient, low-maintenance, and environmentally friendly solution for reducing friction and wear in moving components. Their versatility, durability, and ease of use make them an ideal choice for a wide range of industries and applications.
Hydraulic Bushing Applications:
Our easy assembly bushings are designed for a wide range of hydraulic applications, providing a space-saving and reliable solution. They are particularly well-suited for access platforms, construction machinery, and pumping applications. Some of the most common applications include:
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Hydraulic cylinders: Our bushings ensure smooth operation and reduced wear in hydraulic cylinders, resulting in improved performance and durability.
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Pumps and motors: Our easy assembly bushings enhance the efficiency of hydraulic pumps and motors by reducing friction and ensuring proper alignment.
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Valves and actuators: Our self-lubricating bushings facilitate smooth and reliable operation of hydraulic valves and actuators.
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Machine tools and CNC equipment: Our bushings deliver high-precision performance and long service life, making them suitable for machine tools and CNC equipment.
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Robotics and automation systems: Our bushings contribute to the efficient operation of robotics and automation systems by reducing friction and wear.
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Heavy machinery in construction, mining, and agriculture: Our easy assembly bushings provide reliable and cost-effective solutions for heavy machinery in various industries, ensuring improved performance and reduced maintenance requirements.
Contact Us:
As a trusted and reliable bushing supplier, we are committed to providing high-quality hydraulic bushings tailored to your specific needs. To learn more about our easy assembly bushings and how they can improve the performance of your hydraulic systems, please feel free to contact us. Our team of experts is ready to assist you in selecting the best bushing solution for your application.
Key Features of Steel Backed PTFE Bushings for Hydraulic Cylinders:
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Self-lubricating: PTFE is an inherently self-lubricating material, which eliminates the need for additional lubrication in the hydraulic cylinder. This reduces maintenance requirements and increases the overall efficiency of the system.
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Low friction: PTFE has one of the lowest coefficients of friction among solid materials. The low friction between the bushing and the piston rod in the hydraulic cylinder results in reduced wear, increased efficiency, and longer service life.
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High load capacity: The steel backing provides the bushing with excellent load-carrying capacity, making it suitable for heavy-duty hydraulic cylinder applications.
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Corrosion resistance: PTFE is highly resistant to chemicals and corrosion, ensuring that the bushing maintains its performance even in harsh environments or when exposed to corrosive substances.
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Temperature resistance: PTFE can withstand a wide range of temperatures, from cryogenic levels to high heat, making steel backed PTFE bushings suitable for use in hydraulic cylinders operating under extreme temperature conditions.
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Noise reduction: The combination of steel and PTFE materials can help in reducing noise and vibration generated by the hydraulic cylinder system, contributing to quieter operation and improved performance.
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Extended service life: The combination of self-lubricating PTFE and a strong steel backing results in a bushing with an extended service life, reducing the frequency of replacement and minimizing downtime.
Steel backed PTFE bushings are an excellent choice for hydraulic cylinder applications due to their superior performance, durability, and low maintenance requirements. They are widely used in industries such as construction, mining, agriculture, automotive, and aerospace, where hydraulic cylinders are essential components of various equipment and machinery.
Material
- Modified PTFE 0.01~0.03mm
- Spherical bronze powder 0.2-0.3mm/li>
- Steel back 0.7-2.3mm
- Plating layer: tin layer thickness is about 0.005mm, or layer thickness is about 0.08mm
Bearings are components that fix and reduce the friction coefficient of load during mechanical transmission. Its main function is to support the mechanical rotating body to reduce the friction coefficient of the mechanical load during the transmission process of the equipment. According to the different friction properties of moving elements, bearings can be divided into two types: rolling bearings and sliding bearings.
In order to ensure the smooth and reliable operation of the bearing, most of the bearings are lubricated with lubricating oil. The purpose is to reduce the internal friction and wear of the bearing and prevent burning and sticking: prolong the fatigue life of the bearing; discharge friction heat or heat from the outside. ; At the same time, the oil film also has a certain ability to absorb vibration. However, one of the biggest disadvantages of adding lubricating oil is that good sealing performance is required, otherwise leakage will occur, and some equipment with special requirements does not allow leakage of lubricating oil, so people use other lubricating materials to replace lubricating oil, invented Oil-free bearings not only have the advantages of lubricated bearings, but also eliminate environmental pollution caused by leakage.
Key Features of Hydraulic Composite Bushings:
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Self-lubricating: Hydraulic composite bushings use a fluid, such as oil or water, as a lubricant. This reduces friction between the moving parts, decreasing wear and tear and increasing the lifespan of the components. The self-lubricating nature of these bushings eliminates the need for periodic maintenance, such as lubrication and replacement, thus reducing downtime.
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Reduced friction and wear: The combination of hydraulic fluid and composite materials significantly reduces friction between the bushing and its mating components. This results in reduced wear, which in turn leads to longer service life and increased efficiency.
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High load capacity: Composite materials used in the construction of these bushings possess high strength-to-weight ratios, allowing for increased load capacity. This means hydraulic composite bushings can withstand greater loads and stress compared to traditional bushings made from materials such as bronze or steel.
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Corrosion resistance: Composites are known for their resistance to corrosion, making them ideal for use in harsh environments or applications where exposure to corrosive substances is likely. This feature ensures that the hydraulic composite bushings maintain their performance over time and require minimal maintenance.
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Reduced weight: Composite materials are generally lighter than their metallic counterparts. The use of composites in hydraulic bushings results in reduced weight, which in turn contributes to the overall weight reduction of the mechanical system. This can lead to increased efficiency, reduced energy consumption, and lower operating costs.
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Noise reduction: The inherent damping properties of composite materials help in reducing noise and vibration generated by the mechanical system. This results in quieter operation and improved overall performance.
Hydraulic composite bushings are an excellent choice for a wide range of applications, including heavy machinery, automotive systems, aerospace components, and marine equipment. They offer numerous advantages over traditional bushings, such as reduced friction, increased load capacity, and longer service life. As a result, they have become increasingly popular in various industries for their superior performance and reliability.
- Metal-Polymer Composite Bushing Material
- Steel Back + Porous Bronze Sinter +
- PTFE + Fillers
AVAILABILITY
Metal-Polymer Bronze Backed PTFE Plain Bearing
The material is developed according to the special conditions of the reciprocating movement of the shock absorber and the large lateral force. It has a low friction coefficient and good wear resistance and can be used in semi-dry conditions. Products are mainly used in automobile shock absorbers, motorcycle shock absorbers, hydraulic cylinders, etc. Because it does not contain lead, it makes the lubrication conditions cleaner and meets environmental protection requirements.
Key Features of Maintenance-Free Hydraulic Bearings:
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Increased oil storage: Compared to traditional oil-impregnated bearings, maintenance-free hydraulic bearings have a larger oil storage capacity. This ensures a continuous supply of lubricant, resulting in reduced friction, wear, and maintenance requirements.
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Loop-back oil supply circuit: The unique loop-back oil supply circuit allows the bearing to recirculate the lubricant internally, further reducing the need for maintenance and ensuring consistent performance over time.
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High precision: Maintenance-free hydraulic bearings are designed to provide extremely precise movement and alignment, making them suitable for applications requiring high levels of accuracy.
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High speed: These bearings are capable of handling high rotational speeds, making them suitable for use in high-speed hydraulic systems.
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High rigidity: The construction of maintenance-free hydraulic bearings ensures high rigidity, enabling them to withstand heavy loads and resist deformation under stress.
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Customization: The ability to customize maintenance-free hydraulic bearings according to the specific needs of the customer ensures optimal performance in various environments and applications.
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Cost savings: By providing high performance, reduced maintenance requirements, and the ability to customize, maintenance-free hydraulic bearings help customers save on processing costs and enhance overall efficiency.
Hydraulic Pb-free Self-lubricating Bearing Data:
Hydraulic Pb-free (lead-free) self-lubricating bearings are an environmentally friendly alternative to traditional bearings that contain lead. These bearings are designed for use in hydraulic systems and offer several advantages, including self-lubrication, reduced friction, and improved durability. The following data outlines some of the key characteristics of these hydraulic Pb-free self-lubricating bearings.
- Material Composition:
- Base Material: Typically, the base material for these bearings is a high-strength, corrosion-resistant metal, such as steel, stainless steel, or bronze.
- Lubricant: A Pb-free solid lubricant, such as PTFE (Polytetrafluoroethylene), graphite, or MoS2 (Molybdenum disulfide), is embedded or coated onto the base material to provide self-lubrication properties.
- Load Capacity:
- Static load capacity: The maximum load the bearing can support without any movement, typically ranging from 10 to 300 N/mm² depending on the specific bearing material and design.
- Dynamic load capacity: The maximum load the bearing can support during continuous motion, typically ranging from 5 to 150 N/mm² depending on the specific bearing material and design.
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Coefficient of Friction: The coefficient of friction for hydraulic Pb-free self-lubricating bearings typically ranges from 0.03 to 0.20, depending on the material and operating conditions. Lower coefficients of friction result in reduced wear and longer service life.
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Temperature Range: Hydraulic Pb-free self-lubricating bearings can operate within a wide temperature range, depending on the lubricant and base material used. For example, PTFE-based bearings can operate between -200°C and 250°C, while graphite or MoS2-based bearings can operate between -50°C and 400°C.
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Speed Range: These bearings can operate at varying speeds, typically ranging from 0.5 to 50 m/s, depending on the specific bearing material and design.
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Applications: Hydraulic Pb-free self-lubricating bearings are suitable for a wide range of applications, including but not limited to:
- Hydraulic cylinders
- Pumps and motors
- Valves and actuators
- Construction equipment
- Mining equipment
- Agricultural machinery
- Automotive systems
- Aerospace components
- Benefits:
- Environmentally friendly: Lead-free composition makes these bearings a more sustainable choice.
- Self-lubricating: Reduced maintenance requirements and extended service life.
- Lower friction: Improved efficiency and reduced wear.
- Corrosion-resistant: Suitable for use in harsh environments or applications with exposure to corrosive substances.
- Wide operating temperature range: Suitable for use in various temperature conditions.
Hydraulic Pb-free self-lubricating bearings are an ideal choice for environmentally conscious industries and applications that require high-performance bearings with low maintenance requirements.
| Performance | Related data | |
|---|---|---|
| Maximum load pressure | Dead load | 250N/mm2 |
| Dynamic load | 140N/mm2 | |
| Maximum PV value | Dry | 3.8N/mm2. m/s |
| Oil | 60N/mm2. m/s | |
| Maximum linear speed | Dry | 2m/s |
| Oil | 5m/s | |
| Coefficient of frictionµ | Dry | 0.08~0.22 |
| Oil | 0.02~0.07 | |
| Temperature | -200oC~+280oC | |
| Thermal Conductivity | 40W/m .k | |
| Linear expansion coefficient | 12×10-6/k | |
Select Types Of Metal-Polymer Low Friction Plain Bearings
Always self-lubricating & grease-free
Hydraulic Composite Bushing
A hydraulic composite bushing is a type of bearing used in various mechanical applications, specifically designed to operate under fluid pressure. It combines the benefits of hydraulic bearings with the advantages of composite materials. The primary function of a bushing is to reduce friction and wear between moving parts, while also providing support and alignment. The hydraulic composite bushing brings together the best qualities of both hydraulic and composite technologies to enhance performance, durability, and reliability.
Cost-effective, Slide bearing technology
Maintenance-free Hydraulic Bearing
Maintenance-free hydraulic bearings are an advanced type of bearing specifically designed for hydraulic systems. They build upon the foundation of oil-impregnated bearings by incorporating larger oil storage spaces and a unique loop-back oil supply circuit. These features make them highly suitable for applications requiring high precision, high speed, and high rigidity. Furthermore, customized solutions can be developed according to specific customer requirements, taking into account the operating environment and precision needs. This customization leads to improved processing efficiency and cost savings for the end-user.
Sleeve bearing & Flange, mm
Steel Backed PTFE Bushing For Hydraulic Cylinders, “Self-lubricating Bearing For Longer Life”
A steel backed PTFE (Polytetrafluoroethylene) bushing is a type of bearing specifically designed for use in hydraulic cylinders. It consists of a steel backing material with a layer of PTFE bonded to its surface. PTFE is a high-performance polymer known for its excellent self-lubricating properties, low coefficient of friction, and superior resistance to chemicals and temperature extremes. These unique properties make steel backed PTFE bushings an ideal choice for hydraulic cylinder applications, ensuring smooth operation, reduced wear, and longer service life.
Extremely wear resistant, tested & free from maintenance.
Hydraulic Bush, Quick Change Parts， Cost down, life up, High-performance self-lubricating bushes
We Offer Easy Assembly Bushing for Hydraulic Applications: Our company provides easy assembly bushings for various hydraulic applications, ensuring fast rotation under fluid pressure and delivering efficient performance in valves and other components requiring fast and constant motion. These self-lubricating bearing bushings boast a long service life, making them an ideal choice for applications where occasional movements are necessary, and cost-effectiveness is a priority. Product Range:
- Sleeve bearing (mm): We offer a variety of sleeve bearings in different sizes (in millimeters) to meet your specific application requirements.
- Sleeve bearing with flange (mm): Our flanged sleeve bearings, available in various sizes (in millimeters), provide additional support and stability for certain applications.
Thin-walled plain bearings:Hydraulic Bearing: An Improved Oil-Impregnated Bearing
Choose the right materials and manufacturing methods
Choosing The Plain Bushing Structure
The hydraulic bearing is an advanced version of the traditional oil-impregnated bearing, offering significant improvements in performance, longevity, and noise reduction. While it retains the low operating noise characteristic of oil-impregnated bearings, the hydraulic bearing boasts a substantially longer service life, reaching up to 40,000 hours. This is due to its high precision, high-speed, and high rigidity properties, making it an ideal choice for various applications. Customization for Enhanced Efficiency:Hydraulic bearings can be tailored to meet the specific requirements of individual customers, taking into account the operating environment and precision needs. This customization results in improved processing efficiency and cost savings for the end-user. Are you looking for a possibility to configure your product exactly the way you need it for your application? We will provide you with suitable self-lubricating bearings parts. We offer you a large repertoire of reliable configuration and bushing design. Reduce your process costs with our bushing parts and oilless bearings services. Do you require support? We are happy to help you – feel free to call us.
