Standard Wrapped Bronze Sleeve Bearings for Underwater Pelletizer Machines are specifically designed to meet the unique demands of underwater pelletizing processes. These bearings are crafted from high-quality bronze material, ensuring exceptional durability and wear resistance in wet and corrosive environments.

The wrapped design of these sleeve bearings provides additional strength and stability, enabling them to withstand the high loads and vibrations typically encountered in pelletizer machines. This construction also allows for easier installation and replacement, minimizing downtime and maintenance requirements.

The bearings are precision-manufactured to ensure a smooth and reliable operation, minimizing friction and heat generation. This helps to extend the service life of the bearings, reducing the need for frequent replacements.

Wh you are looking to replace worn-out bearings or upgrade your existing pelletizer machine, Standard Wrapped Bronze Sleeve Bearings are an excellent choice. They offer superior performance and reliability, ensuring smooth and efficient pelletizing operations even in the harshest underwater conditions.

alternative Wrapped bronze straight bushing requiring low-maintenance series PRM

Standard Wrapped Bronze Sleeve Bearings For Underwater Pelletizer Machines

Sliding elements made of solid tin bronze (CuSn8) UNS ‎C52100‎•‎EN‎CW453K with lubrication holes, which serves as a lubricant reservoir.Bronze Wrapped Bush for Underwater Pelletizer Machines bushings made to ordr from china.Sleeve, Flange, Washer,Bronze Plain Bearing

CuSn8 is a solid solution strengthened copper alloy (bronze) with 8% tin. The high tin content results in high strength and springiness at an adequate conductivity. The alloy is wear-resistant, has very good corrosion resistance and can be readily soldered. Moreover CuSn8 has good sliding properties. Fields of application are stamped parts, connectors, spring contacts, springs, bushings and bearings, metal hose, the paper industry, ship and apparatus manufacturing as well as electrical and mechanical engineering.
Wrapped Bronze With Lubrication Pockets
low-maintenance

Gunmetal Wrapped Bush use for Underwater Pelletizer Machines WB800 Harden Bronze Bushing

Wrapped Bronze With Lubrication Holes
low-maintenance

Product Description

Bronze Wrapped Bush & bearing is wrapped by bronze strip. The material is made of particular formulation
with high specific gravity and on its surface may be incorporated with spherical or diamond
Shaped indentations or oil grooves as required by customer. It is of high load capacity and
Long life. It can act as substitution of traditional bronze bushing for low cost and
Performance of anti-higher compact. It is widely used in hoisting machines, construction machines, automobiles, tractors, trucks, machine tools and some mining industy.
Material:CuSn8P0.3 OR CuSn6.5P0. 1
Hardness:HB90~120
Temperature limit:-80℃~200℃
Load capacity:75N/mm2
Speed limit:2.5m/s

FLANGED BRONZE BEARINGS SIZE

cusn8&cusn6 Bronze-Wrapped Bearing, specially formulated high-density copper alloy strip base body surface may be requested by the user or hemispherical rolling diamond oil hole, oil sump. Having a high density, high carrying capacity, wear resistance, long life and other advantages, to replace the traditional casting of copper, and more compact, lower cost.090 has been widely used in lifting machinery, construction machinery, automobile and tractor chassis, the machine tool industry and mining machinery can also be made bearings, flanged bushes, thrust washers and bowl like.

Standard Tolerance

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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.

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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.

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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.

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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.

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