The Flange Bimetal Bushing CuPb10Sn10, also known as a friction welded bimetallic bearing, represents an innovative solution for applications requiring exceptional wear resistance and adaptability. This type of bushing combines the strengths of two distinct metals, typically copper-based alloys, to create a superior product tailored for specific performance needs.

The CuPb10Sn10 alloy, which forms the primary bearing surface of this bushing, is a lead-tin bronze renowned for its self-lubricating properties and high load-carrying capacity. The addition of lead and tin to the copper base enhances the alloy's machinability and reduces friction during operation, making it an ideal material for bearings subjected to heavy loads and high speeds.

The bimetallic construction of this bushing involves the fusion of two distinct metals through a process known as friction welding. This technique involves applying intense pressure and heat to the interface of the two metals, causing them to bond at the atomic level. This results in a strong, seamless connection that ensures the bushing's structural integrity and long-term performance.

The flange design of the bushing provides a secure mounting surface that facilitates easy installation and ensures a stable connection between the bearing and its housing. This design also allows for the bushing to distribute loads evenly across the mounting surface, reducing stress concentrations and increasing overall durability.

In summary, the Flange Bimetal Bushing CuPb10Sn10, utilizing friction welding technology, offers a high-performance, reliable solution for applications requiring superior wear resistance and adaptability. Its unique bimetallic construction and self-lubricating properties make it an ideal choice for bearings subjected to heavy loads, high speeds, and harsh operating conditions.

Metal and Bimetal Bearings - VIIPLUS Bearing Technology

Bimetal Bearing Technology, formerly equivalent Low Friction Bushing Metal-Polymer Bearings Bearings, now offers metallic bearing materials.

Fricition Welding Bimetal Bushing are widely used in oil lubrication situations. Normally in low speed and oil lubrication situations assemble with grease and work steadily with adding oil, such as suspension, ball joints, brake pedal seals, redirector , the connecting rod, the punch of the sliding part, etc.

VIIPLUS bearings can be made in many sizes and forms, including thin-walled, thick-walled, flanged, cylindrical, sintered and oil-impregnated, and more. Some popular bearing materials and their benefits include:

·STEEL BUSHINGS

·BIMETAL BEARING

·BRONZE BEARINGS

VIIPLUS offers a broad range of sizes, forms and materials in monometallic and bimetallic bearings. Bimetal and metal bearings offer excellent corrosion resistance in industrial outdoor applications and in water, marine and offshore environments.

Friction welded bimetallic bearing is an important part of construction machinery, which is formed by friction fusion welding of bimetallic rolling bearing and bimetallic gasket.The product USES copper alloy in the contact sliding part with the shaft, which can play a good role in lubricating and protecting the shaft and shaft shoulder. The back lining USES steel, which has a stronger bearing capacity and further reduces the material cost.

The product can bear both axial and radial loads when used, and is suitable for rotating, swinging and other occasions of medium, low speed and high load. It has been widely used in various construction machinery site parts, such as bulldozer, excavator, conveyor, etc., supporting wheel, guiding wheel and supporting sprocket wheel.

Flanged bushings Valve Rocker Arm Bush,Bimetallic bearing,BIM bushing welding Bimetal Bushing Bearing CuPb10Sn10 high hardness

Bimetal Bushing | VSB-80

What is bimetal bearing?

Bimetal sliding bearings are made from bronze and steel alloy. The soft bronze inner layer can provide good lubricating performance with oil grease, hard steel back can provide good support on the whole bearing and cut down the cost.
These bearings are primarily used for bearing arrangements where heavy loads have to be supported and where rotational or oscillating movements are relatively slow.

Why choose bimetal bearing?

• ·Maintenance-free operation
• ·Minimum wall thickness, minimum space requirements
• ·Accommodation of heavy loads
• ·Wide range of temperatures
• ·Good sliding properties
• ·Virtually no stick-slip
• ·High wear resistance
• ·These bearing can applied with precision machining tooling

Characteristic

This bearing is the kind of Flange bush with the steel backing sintered with bronze powder through the friction welding. The surface may be incorporated with various kinds of oil grooves, pockets to meet different necessities of various lubricating
conditions.

Typical application

This product is widely applied in various automobile engines, vehicle hassis, motorcycle clutches, rubbing plate of gear pumps and other hoist machines．

TECHNICAL DATA

• Fork lifts

• Pallet Trucks

• Cranes

• Excavators

TECHNISCHE DATEN

• Wrapped composite sliding bearing

• Copper-plated or tin-plated steel / bronze

• Low-maintenance

• With lubrication pockets

PROPERTIES

• For high load capacity and oscillating movement, as well as for rough operation and temperature load. Long-run lubrication because of lubricant storage.

MATERIALS

• Support materialSteel copper-plated / tin-plated

• Sliding layer CuPb10Sn10

TOLERANCE DETAILS

• Housing ØH7

• Bushing inner-Ø after mountingH9

• Shaft tolerancef7 to h8

MAINTENANCE

It is a low-maintenance composite sliding bearing, but primary lubrication is necessary. Oil or grease lubrication is possible. Due to solid lubricant storages, lubrication clearances are reduced to a minimum!

CAPTION

Special dimensions are available on request,split bearing bush, sleeve bearing,flanged bushing

Send us an online enquiry

You can use our “Enquiry Form” to get in touch with us. One of our sales team will contact you immediately.

Beyond Grease: A Deep Dive into Oilless Bushings & Why Viiplus Leads the Way

Friction is the enemy of efficiency. In countless machines, from massive industrial equipment to intricate automotive components, the constant battle against wear and tear dictates performance, longevity, and maintenance costs. Traditionally, grease and oil have been the go-to solutions, but they come with their own set of challenges: frequent re-lubrication, potential contamination, environmental concerns, and limitations in extreme conditions.

Enter the world of oilless bushings, also known as self-lubricating bearings or sliding bearings. These innovative components offer a smarter way to manage friction, delivering reliable movement without the need for external lubrication.

At Viiplus (www.viiplus.com), we don't just supply these components; we engineer solutions. Leveraging deep expertise in metallurgy and tribology (the science of friction, wear, and lubrication), we've become a leading name in sliding bearing technology. But what exactly are oilless bushings, and why should they be on your radar? Let's dive deeper.

What Exactly Are Oilless Bushings? The Science of Self-Lubrication

Unlike traditional ball or roller bearings that rely on rolling elements and require constant lubrication films, oilless bushings operate on the principle of sliding motion. Their "magic" lies in their material composition and structure, designed to provide their own lubrication at the bearing surface. This can be achieved through several key technologies:

1. Solid Lubricants Embedded: Materials like graphite, MoS₂, or PTFE are embedded directly into the metallic matrix (often bronze) of the bushing. As the shaft rotates or slides, a minuscule amount of this solid lubricant is transferred to the mating surface, creating a low-friction film.

2. Porous Metal Structures: Sintered bronze or iron materials are created with microscopic pores. These pores are vacuum-impregnated with oil during manufacturing. In operation, slight heating causes the oil to expand and seep onto the bearing surface, providing lubrication. When it cools, the capillary action draws the oil back in, creating a closed-loop system.

3. Layered Composites: These often feature a strong backing (like steel), an intermediate sintered layer (like bronze), and a low-friction overlay (often PTFE-based). The PTFE layer provides the primary sliding surface, offering extremely low friction.

4.  

Contrasting Logic: Oilless vs. Traditionally Lubricated Bearings

The Tangible Benefits: Why Make the Switch?

Choosing oilless bushings isn't just about eliminating grease guns. It's about unlocking significant operational advantages:

• Drastically Reduced Maintenance: This is the most obvious benefit. No re-greasing means less labor, less scheduled downtime, and simplified maintenance protocols. Imagine the savings across a factory floor!

• Enhanced Reliability: Lubricant starvation is a major cause of bearing failure. Self-lubricating bearings ensure consistent lubrication, leading to predictable performance and longer service life, especially in hard-to-reach locations.

• Superior Performance in Harsh Conditions: Oilless bushings excel where traditional lubricants fail:

  • High Temperatures: Certain types can operate at temperatures far exceeding the limits of conventional greases.

  • Low Temperatures: No grease means no stiffening or freezing issues.

  • Contaminated Environments: The absence of sticky grease reduces the ingress of dirt, dust, and debris.

  • Vacuum or Underwater: Ideal for applications where liquid lubricants are impractical or impossible.

  •  
  •  
  •  
  •  
  •  
  •  
  •  

• Cost Savings (Total Cost of Ownership): While the initial purchase price might sometimes be higher, the TCO is often significantly lower due to savings on lubricants, labor, downtime, and potential component failure replacement.

• Environmental Friendliness: Eliminating oil and grease leakage prevents contamination of products, machinery, and the environment. Crucial for industries like food processing, pharmaceuticals, and textiles.

• Compact & Simplified Designs: Without the need for lubrication systems (nipples, lines, reservoirs), machine designs can be more compact and streamlined.

•  

Exploring Viiplus's Portfolio: Finding Your Solution

Viiplus offers a comprehensive range of self-lubricating bearings designed to meet diverse application needs. Understanding the different series helps in selection:

• JDB Series (Graphite Plugged Bronze): Excellent for high-load, low-speed applications, intermittent motion, and high temperatures. The graphite plugs provide continuous solid lubrication. Ideal for heavy machinery, molds, and hydraulic components.

• SF Series (PTFE-Based Composite): Typically metal-backed (SF-1: steel, SF-2: steel/bronze) with a PTFE-based lining. Offers very low friction, good wear resistance, and suitability for dry running or marginal lubrication. Common in automotive, office equipment, and hydraulics.

• JF Series (Bimetal Bushings): Combines a steel backing with a sintered bronze or lead-bronze lining. Good load capacity and fatigue strength. Often used with grease or oil but can operate marginally lubricated. Found in engines, chassis parts, and agricultural machinery.

• FB Series (Wrapped Bronze): Often made from bronze strip, sometimes with lubrication pockets or through-holes. A cost-effective solution for medium loads and speeds, typically requiring initial greasing but offering extended re-lubrication intervals.

•  

Quick Comparison Chart (General Guide):

(Note: This is a simplified guide. Always consult specific product data sheets or Viiplus experts for precise application requirements.)

Uncertain which material or type suits your project? Our Bushing Material Selection Guide is designed to help, or Contact Us for a Free Quote and Expert Advice.

Why Partner with Viiplus? Expertise Meets Quality

Choosing the right supplier is as critical as choosing the right bushing. Here’s why companies worldwide trust Viiplus:

• Deep Expertise: Our foundation in metallurgy and tribology, coupled with a talented R&D team, means we understand the science behind reliable movement. We don't just sell; we solve friction challenges.

• Uncompromising Quality: We employ advanced manufacturing techniques (including sand casting, centrifugal casting, metal casting, investment casting) and a rigorous quality management system, ensuring every bushing meets the highest standards.

• Comprehensive Range: From standard metric sizes in JDB, SF, JF, and FB series to custom solutions including cylindrical, flange, double flange bushings, wear plates, and guide rails – we have the portfolio to match your needs.

• Global Reach, Seamless Logistics: Based in China, we ship sliding bearings worldwide. Our professional team handles customs clearance efficiently, ensuring smooth, timely delivery with all necessary documentation.

• Customer-Centric Approach: We believe in ethical practices and building trust. We offer flexible production (single units to large series), competitive pricing, and  online support.

•