OEM Wrapped Bronze Bushing Bearing for Forest Machinery

Bronze Sleeve Bushings

Wrapped Phosphor Bronze Bearings, specifically those made of CuSn8 and CuSn6.5, are high-performance bearing components that offer exceptional durability and reliability. Phosphor bronze, a copper-based alloy with added phosphorus, exhibits excellent corrosion resistance, high strength, and good formability. The wrapping construction further enhances the bearing's load-bearing capacity and wear resistance.

CuSn8 bearings, with a higher tin content, possess greater strength and hardness, making them suitable for heavy-duty applications. On the other hand, CuSn6.5 bearings, with a slightly lower tin content, offer a good balance between strength and ductility, suitable for a wider range of operating conditions.

Both CuSn8 and CuSn6.5 Wrapped Phosphor Bronze Bearings are known for their self-lubricating properties, eliminating the need for frequent lubrication and maintenance. They are commonly used in automotive, marine, and industrial applications where high performance and reliability are crucial.

Tin Phosphor Bronze Bushings material cusn8&cusn6 gleitlager,get a free quote.It is based on high density copper alloy of special formula. The alloy surface is rolled to diamond or global oil grooves. It has high density, good load capacity and wear-resistant. The product is applied to lifting machinery, construction machinery and mining machinery, etc.

Rolled bronze bearings with lubrication pockets.

Features

- High load capacity
- Works well in dirty environments
- Wide temperature range
- Easy to assemble
- Grease pockets like lubrication tanks

Technical Details

Specific load capacity static< 120 [N/mm2]

Specific load capacity dynamic< 40 [N/mm2]

Sliding speed≤ 2.5 [m/s]

Friction value0.05 [µ] to 0.12 [µ] depending on lubrication

Temperature strain- 40 [°C] to + 250 [°C]

Max. PV-value2.8 [N/mm² x m/s]

The percentage of contact area on the ID is > 75%

The listed values in the material properties are valid for optimal operating conditions. By changing the conditions of application, e.g. an increase in the sliding speed or strain, these values could shift.

Range Of Application

Areas of use for example
Forestry and construction machinery, agricultural machinery, cranes, forklifts, lifting equipment, etc.
Shapes and shapes
Cylindrical plain bearings, flanged bearings, pressure washers, sliding plates.

• Agriculture machinery, truck cranes & construction machinery, suitable for impact loads

Aerial work platform, while you are still "heard of" it, many industries have become increasingly dependent on it.Below, we will take you to the key application areas of the high-altitude operation platform:

Construction Machinery

There is a lot of height work in construction, and the traditional high-altitude work tools such as scaffolding, portals, etc., have the problems of poor safety, large amount of building materials and long time consumption. Excellent safety guarantee and excellent work efficiency: The aerial work platform is an ideal replacement for Scaffolding, which has accelerated the process of construction mechanization and significantly reduced the labor of lifting in the construction process.

Pipe Installation Bronze Grease

Pipelines, especially fire fighting pipelines, play a vital role in the reliability of fire water and the ability of buildings to withstand fires. When installing fire pipes, many internal air operations are performed, and there are also many operating points and complex operations. space.

Supermarket and Warehouse Logistics

With the development of modern supermarkets, warehouses and logistics centers, multi-tiered stacking and warehousing of goods is increasingly inseparable from the use of the self-propelled aerial work platform. They are small in size, lightweight, stable up and down, safe and reliable. It can complete the lift operation at a higher height in a smaller space, and is the ability to move under the state of climb.Moreover, the intelligent control system enables all operations to be completed independently by one person, which greatly improves the efficiency of warehousing and logistics work and reduces the labor intensity of operators.

Discover More

In addition to the above three applications, the platform is also used in all walks of life, such as cleaning and maintaining building walls; Manufacture and maintenance of large equipment; Transportation from major transportation centers and so on.The platform also faces a variety of problems: abnormal noise in the operating process, wear of the joints, hug ......
Faced with the above problem, Viiplus Slef Lubricating Bushing can be a "game" to solve.

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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.

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• 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.