Wear plates with graphite embedded, such as those made from cast bronze alloys like C86300 and C95400, offer exceptional wear resistance and self-lubricating properties. These alloys are designed specifically for applications that require a combination of strength, durability, and low-friction performance.

C86300 bronze, also known as tin-based bronze, is a copper alloy that contains tin, aluminum, manganese, and graphite. The graphite particles embedded in the alloy provide a natural lubricating effect, reducing friction and wear on contacting surfaces. This alloy is often used in bearings, bushings, and other sliding components where wear resistance and low friction are critical.

C95400 bronze, on the other hand, is an aluminum-based bronze alloy that also contains iron, manganese, nickel, and graphite. This alloy offers similar wear resistance and self-lubricating properties as C86300, but with a different chemical composition that may be more suitable for specific applications.

Both C86300 and C95400 bronzes are cast to precise dimensions and machined to fit your specific needs. Their high-strength properties allow them to handle heavy loads and impact forces, while their self-lubricating nature reduces the need for external lubricants and maintenance.

Whether you're looking for wear plates for bearings, bushings, or other sliding components, cast bronze alloys like C86300 and C95400 are an excellent choice. With their exceptional wear resistance and self-lubricating properties, these alloys can help improve the performance and durability of your equipment.

Oil free slide plates with copper alloys, Size - Thickness - mm, Width -mm & Length - mm with self-lubricating holes.

bronze slide plates, slide plates, Oil-free slide plates

Bronze plugged Oil free slide plates with copper alloys wear plates give products exceptional strength plus the lubricity and other desirable qualities of bronze. Advanced in design, each Bronze, Brass, and Self Lubricating Products is measured to precise standards and is distortion-free for reliable performance and excellent wearability. graphite plugs cover 25-30% of the area requiring lubrication.

C95400 Aluminum Bronze Sliding Bearing is the most popular, all-purpose aluminum bronze alloy. It provides high yield and tensile strength, good ductility, weldability, and exceptional resistance to wear, fatigue and deformation under shock or overload. C95400 aluminum-bronze bushings are recommended for high load, high wear applications. Conforms to continuous cast specification ASTM B 505

Applications: High strength bearings, bushings, gears, worms, Oil-free slide plates with copper alloys wear plates, valve seats, and guides.

Wear Block Rear with graphite | Cast Bronze Self Lube Oil-free slide plates with copper alloys Wear Plates, Plug Graphite Lube Plate C86300 C95400 Aluminum Bronze

Reasons for Selecting Plug Graphite Self-Lubricating Products

Plug Graphite Bearings Production

• Bronze Wear Plates Oil-free slide plates with copper alloys
• Pillar and Bushes
• Slide elements
• Cam components
• Cam units
• Retainers
• Plastic mold components

VSB-50P Sliding Block material is made of strong cast bronze based metal with special solid lubricants embedded. The base metal withstands high load and the solid lubricants provide self-lubrication. The bearing shows excellent performance without pre-lubrication under conditions of extreme high/low temperature at low speed. This material provides a maintenance-free bearing solution, particularly for high load, intermittent of oscillating motion.

CHARACTERISTICS

1. May work without any ol for long period

2. Extremely high load capacity, good anti-wear and lower friction

3. Particularly appropriate for low speed and high load

4. Suitable for reciprocating, oscillation or intermittent motion where oil film is hard to be formed

5. Good chemical resistant and anti-corrosion characteristics

6. Can b€ used in a wide range of temperature from -40℃-+300℃

Chemical Compositions

Processing Bearing Equipment

High precision processing equipment is like a strong force magic weapon of surprise

AVAILABILITY

Bearing forms available in standard dimensions

·Cylindrical bushes

· Flanged bushes

· Sliding plates

Bearing forms made to order: standard forms in special dimensions, thrust washers, flanged thrust washers, half-bearings, special shapes obtained by stamping or deep drawing, customized bearing designs.

This kind of bearing can be applied in automobile stamping mold, plastic mold, hardware mold, injection molding machinery, and so on.

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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