Oilless bronze wear plates are highly versatile components used in various industries where friction reduction and wear resistance are crucial. They offer a unique combination of strength, durability, and self-lubricating properties, eliminating the need for external lubrication, making them ideal for applications where oil or grease is not feasible or desirable.

These wear plates come in both standard and custom sizes to cater to a wide range of applications and requirements. Standard sizes typically adhere to industry norms and are readily available, ensuring quick delivery and cost-effectiveness. However, custom sizes offer the flexibility to tailor the plates to specific dimensions, shapes, and hole patterns, ensuring a perfect fit for unique or specialized applications.

Standard Sizes:

Standard sizes for oilless bronze wear plates vary depending on the manufacturer and the intended application. However, common dimensions include various thicknesses ranging from a few millimeters to several centimeters, with widths and lengths adjusted accordingly to meet the requirements of the application. These standard sizes are often listed in catalogs or on manufacturers' websites, making it easy for customers to select the most suitable option.

Custom Sizes:

Custom sizes for oilless bronze wear plates are designed to meet specific requirements that go beyond standard dimensions. Customers can provide detailed specifications, including thickness, width, length, hole patterns, and any other unique features, and the manufacturer will create custom-made plates to fit those specifications. This customization process ensures that the wear plates integrate seamlessly into the application, optimizing performance and reducing the need for modifications or adaptations.

Whether you're looking for standard or custom sizes, oilless bronze wear plates offer a reliable and effective solution for reducing friction and wear in various industrial applications. They are widely used in food processing, packaging machinery, mining equipment, and other industries where durability and performance are critical. With their self-lubricating properties and resistance to corrosion and wear, these plates are an excellent choice for applications that require long-lasting and reliable performance.

Graphite Bronze Oilless Wear Plate

Overview of C51000 Phosphor Bronze Plate

C51000, also known as Phosphor Bronze “5% A”, is a wrought copper alloy primarily composed of copper with controlled additions of tin and phosphorus. The alloy is valued for its excellent corrosion resistance, high fatigue strength, good cold formability, and moderate electrical conductivity, making it ideal for applications that demand durability and spring-like performance.

C51000 is produced in various forms—plate, sheet, strip, rod, and wire—and conforms to specifications such as ASTM B103/B103M for phosphor bronze plate, sheet, strip, and rolled bar. In plate form, it is widely used in architecture, electrical equipment, fasteners, and industrial machinery due to its combination of strength, wear resistance, and workability.

Chemical Composition

Percentages are by weight; copper is the balance, with Cu + named elements ≥ 99.5%.

The tin content improves strength and wear resistance, while phosphorus enhances hardness and corrosion resistance.

Physical Properties

These properties make C51000 suitable for components exposed to thermal cycling or moderate electrical loads.

Mechanical Properties (Flat Products)

• Fatigue Strength: ~84 ksi at 100 million cycles (similar for plate in spring temper).

• Machinability Rating: 20 (free-cutting brass = 100).

Fabrication Characteristics

• Cold Workability: Excellent—well suited for blanking, drawing, forming, bending, shearing, and stamping.

• Hot Formability: Poor.

• Joining:

  • Excellent: soldering, brazing, butt welding.

  • Good: gas shielded arc welding, spot welding.

  • Fair: oxyacetylene, coated metal arc, seam welding.

• Annealing Temperature: 900–1250 °F (482–677 °C).

Common Applications

• Architecture: Bridge bearing plates, structural plates for corrosive or high-fatigue environments.

• Electrical: Connectors, switch components, fuse clips, wire brushes.

• Fasteners: Cotter pins, lock washers.

• Industrial Machinery: Springs, diaphragms, bellows, clutch disks, chemical equipment, textile machinery.

• Other: Perforated sheets, pressure elements, welding rods.

In plate form, C51000 is particularly valued for load-bearing structural elements where strength, fatigue resistance, and corrosion protection are required.

Bronze Precision Wear Plates, Finished Machined Bronze Wear Plates, Cast Bronze Wear Plate, Special Shape Manufactured by VIIPLUS Precision wear plates available in standard and custom sizes.

Wear-resisting oil-free self-lubricating plate

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5.Self Lubricating Bronze Wear Plate

Standard Size Phosphor Bronze Wear Plates Graphite CuSn6Zn6Pb3 Material LG2 C83600Order today! Made in China.Manufacturer of Bronze sleeve bushings and graphite wear plate & thrust washer in various bronze alloy material. Bronze Graphite Bearings is Suited for High-Temperature Applications. Increased productivity. Reduced costs & downtime. Offering Custom Designed Shape Bearings.

DIN GB-CuSn5Zn5Pb5 Graphite Phosphor Bronze Wear Plate, Graphite Copper Oilless Plate C83600 Special Brass Sliding Plate made to order from china. Get a quote today!tolerance sizes plate, material CHEMICAL ANALYSIS, and price for your application. Bronze Wear Plate In All Industrial Fields Have A Wide Range Of Applications.

Widely used in the hydraulic and pneumatic industries, forging machine tool industry, plastic machinery industry, lifting handling machinery, port machinery, office machinery, textile machinery, food machinery, food machinery, chemical machinery, printing and packaging, paper machinery, Steam locomotive, shipbuilding industry, press industry, metallurgical machinery, engineering machinery and so on.

Material: DIN GB-CuSn5Zn5Pb5

ZCuSn5Zn5Pb5 cast copper alloy has good wear resistance and corrosion resistance, easy to process, good casting performance and airtightness, cast copper alloy is used for wear-resistant and corrosion-resistant parts working under high load and medium sliding speed, such as axle bush, liner, cylinder liner, piston clutch, pump gland and worm gear.
ZCuSn5Zn5Pb5 corresponds to domestic brand: qsn5-5-5

Custom bronze bushings & wear plate

C86300 bronze Oilless Wear Plate.pdf

• Our cast bronze wear plates can be supplied in the following bronze materials:

• C95400 Aluminum Bronze

• C93200 SAE 660 Bearing Bronze Plate

• C86300 Manganese Bronze Oilless Plate

• C95900 Aluminum Bronze Wear Plate

Phosphor Bronze Chemical Analysis

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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