Friction Welding Bimetal Metric Flange Bushing refers to a type of bushing (a hollow cylindrical device) that is composed of two different metals joined together through the process of friction welding. Friction welding is a solid-state welding process that generates heat through the friction between two mating surfaces, typically under pressure, to create a weld joint without the addition of a filler material.

In the case of a bimetallic flanged bushing, the two metals chosen for the bushing likely have different properties that are beneficial for specific applications. One metal may have superior strength or wear resistance, while the other may provide corrosion resistance or better heat dissipation. By combining these metals through friction welding, the resulting bushing can offer a unique set of properties that are tailored to the intended use.

The "metric" designation indicates that the dimensions and specifications of the bushing follow the metric system of measurement, which is widely used around the world. The "flange" refers to a raised rim or collar around the outer diameter of the bushing, often used to provide additional support or to aid in installation.

Overall, friction welding bimetal metric flanged bushings are precision-engineered components that offer a combination of materials and properties optimized for specific applications, such as in the automotive, aerospace, or heavy machinery industries.

Metric Flange Bimetal Bushing bimetal bearings are backed with high-quality low carbon steel with tin-lead- bronze alloy (CuSn10Pb10) sintered on its surface.

ISO3547/DIN1494 standard size, KINGPIN KIT BUSHING, PISTON BUSHINGS, HYDRAULIC PUMP BUSHING, GEAR PUMP, FUEL PUMP BUSHINGS

VIIPLUS a professional bimetal bushings bearing manufacturer, Our goal is to continuously contribute to society through technological innovation.

Self-lubricating bearing series
Engine parts

Cooling parts
Steering parts
Drive parts
Brake parts
Traveling parts
Agricultural machinery parts
Construction machinery parts

Material steel＋CuPb10Sn10 Bimetal bushing

the bimetal bushing is backed with high-quality low carbon steel with tin-lead-bronze alloy(CuSn10Pb10)sintered on its surface. It has high fatigue strength, load capacity, and impact strength. The product is applied to track roller, air compressor, especially replaced the Centrifugal casting bimetal bushing for the track roller application. the alloy thickness becomes uniform comparing with the centrifugal casting bimetal bushing and saves a lot of material, which makes the product cost performance higher.

Typical application

Application: con-rod of automobile engines, engineering, and agriculture machinery, heavy-duty construction machinery etc.

ENGINE PARTS TRANSMISSION PARTS HYDRAULIC PRODUCTS ELECTRIC PRODUCTS UNDERCARRIAGE WORK EQUIPMENT SEALS AND GASKETS

BUSHING FRICTION PLATE OIL PUMP WATER PUMP FUEL PUMP PISTON PISTON RING LINER ENGINE BEARING ENGINE VALVE CRANKSHAFT GASKET OIL SEAL SPROCKET ROCKER ARM HYDRAULIC PUMP BELT TENSIONER

Bimetal Bushing Widely used in the hydraulic industry, forging machine tool industry, plastics machinery industry port machinery, office, fitness machinery, textile machinery, food package, filling machinery, chemical machinery, automobile, shipbuilding industry, construction machinery and so on.

CuPb10Sn10 Chemical Composition ( % ):

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.

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.