ZCuSn6Zn6Pb3, a specialized bronze alloy, has emerged as a preferred choice for graphite sleeve bearings in hydraulic engineering applications. This alloy, with its unique composition of copper, tin, zinc, and lead, offers exceptional properties that make it suitable for self-lubricating bearings.

The addition of graphite particles to ZCuSn6Zn6Pb3 provides excellent lubricating capabilities, eliminating the need for frequent relubrication. Graphite is known for its low coefficient of friction, which significantly reduces wear and tear on the bearing surfaces. This not only improves the overall efficiency of the hydraulic system but also extends the lifespan of the bearings.

In hydraulic engineering, bearings play a crucial role in ensuring smooth and reliable operation of various components. ZCuSn6Zn6Pb3 graphite sleeve bearings are designed to meet the demanding requirements of these applications. They are capable of handling high loads, pressures, and temperatures while maintaining stable performance.

The alloy's composition also contributes to its corrosion resistance, making it suitable for use in harsh environments. The addition of tin and zinc improves the alloy's strength and ductility, while the presence of lead enhances its machinability. This allows for the production of precision-fitted bearings that meet specific design requirements.

The self-lubricating properties of ZCuSn6Zn6Pb3 graphite sleeve bearings significantly reduce maintenance costs and downtime. They require minimal upkeep and can operate for extended periods without the need for additional lubrication. This makes them a cost-effective and reliable choice for hydraulic engineering applications.

In summary, ZCuSn6Zn6Pb3 graphite sleeve bearings are an excellent solution for hydraulic engineering applications. Their self-lubricating properties, corrosion resistance, and ability to handle demanding operating conditions make them a preferred choice for ensuring smooth and reliable operation of hydraulic systems.

Online design and bronze bushing. Find right size and price. Self-lubricating oilless material. Design your sleeve of flange size parts.

Standard Oilless Graphite Plugged Bronze bushing From China By bronzegleitlager.com

Bronze with graphite embedded.

Wide range of Oilless Bronze Bushing ready in stock. Able to satisfy any request and design need.

CYLINDER & FLANGED BRONZE BUSHING

Tin bronze graphite self-lubricating bearing

Tin bronze graphite self-lubricating bearings are made from ZCuSn6Zn6Pb3 (C86300) and nested graphite

CuSn6Zn6Pb3(C86300) graphite self-lubricating bearingProduct advantage

1. It can be used for a long time without maintenance;

2. Designed for high static load and dynamic load;

3. It has a very low and stable friction factor and no "sticking" phenomenon;

4. Dust resistance, corrosion resistance, impact resistance and edge load resistance;

5. Metal substrates have good shock absorption capacity;

6. Can be used in a wide range of temperatures;

7. Suitable for reciprocating, rotating and swinging, and other starting frequent and difficult to form oil film occasions.

Chemical elements of matrix material

Principle of self-lubricating bearing

The use of graphite self-lubricating bearing parameters

CAD drawing of a certain size graphite self-lubricating bearing

You can choose the product structure and know our product process

The production process of CuSn6Zn6Pb3 (C86300) graphite self-lubricating bearing column is generally made by CNC vehicles. After that, the 5-axis machining center is used to punch holes, assemble and install graphite, and then conduct performance testing

Application field

At present,CuSn6Zn6Pb3(C86300) graphite self-lubricating bearing the products have been used in metallurgical continuous casting machines, train supports, steel rolling equipment, mining machinery, ships, gas turbines

Contact us

We provide you with special size customization and standard size production, you can choose CuSn6Zn6Pb3 (C86300) material sliding block, bearing sleeve, graphite bearing sleeve, washer and other products, we will refer to ISO 4379 design or according to their own industry experience to optimize.So choose us.

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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