Polymer liners integrated with bronze bushing material have been gaining significant attention in various industrial applications due to their enhanced wear properties. This combination offers a unique blend of durability, corrosion resistance, and self-lubricating characteristics, making them ideal for high-friction and high-wear environments.

Bronze bushings, traditionally known for their excellent wear resistance and load-bearing capacity, are now being paired with polymer liners to further enhance their performance. The polymer liner acts as a protective barrier, reducing friction and wear on the bronze bushing while also providing additional shock absorption and vibration damping.

The improved wear properties of this material combination stem from several factors. Firstly, the bronze bushing itself is a highly durable material, capable of enduring heavy loads and repeated impacts without significant wear. Secondly, the polymer liner reduces friction between the bushing and the mating surface, minimizing wear and extending the bushing's lifespan.

Moreover, the self-lubricating properties of the polymer liner further enhance the performance of the bronze bushing. As the bushing rotates or slides, the polymer liner releases a small amount of lubricant, creating a lubricating film between the bushing and the mating surface. This film reduces friction and wear, ensuring smooth and efficient operation.

In addition to improved wear properties, the polymer liners with bronze bushing material also offer other benefits. They are corrosion-resistant, able to withstand harsh environments and chemicals without degrading. They are also lightweight and easy to install, reducing downtime and maintenance costs.

Overall, polymer liners with bronze bushing material provide an excellent solution for applications requiring improved wear properties and durability. Their unique combination of material properties ensures smooth and efficient operation, even in high-friction and high-wear environments.

Plain bearings sheet strips,factory price, order now‎.

High precision & performance plain bearings material manufacturer for OEM and wholesalers. strip & material. meet all kind of OEM. excellent quality. perfect service. for wholesalers.Providing High-Quality Services.

We provide engineering assistance, custom fabrication and manufacturing of high-performance bronze sleeve bushing plugged graphite and self-lubricating bearing strips materials.At VIIPLUS China, our goal is to become your in-house engineering bushings department.

Sliding strips Metric standard If your business is in sliding bearings polymer liners for self-lubrication and improved wear properties, thrust washers and guide bushes strips manufacture that you choose our plain bearing bushings material strips sheet. please inform us of your project situation and strips sizes requirements in the inquiry. We will efficiently provide you with product selection solutions and quotations.

Rolling bearing is a kind of rolling bearing, which is made of high quality cold rolled steel plate, sintered porous spherical bronze powder in the middle, and then rolled on the surface of porous spherical bronze powder with modified polyformaldehyde and rolled.
This type of bearing is required to be coated with lubricating grease during assembly due to its regular surface rolling arrangement and oil storage holes with helical Angle. It is especially suitable for the occasions where it is difficult to form fluid lubrication under high load and low speed. The oil storage holes on the surface can ensure the optimal oil distribution, and long-term maintenance is unnecessary.

VIIPLUS POM BUSHINGS has good physical & mechanical properties, also has certainly chemical properties. This material has good machining performance if required.tri-layer low maintanence plain bushing have a base of lower carbon steel, onto which a porous bronze layer is sintered. Acetalcopolyer (POM) is impregnated into the intersice of this bronze layer after rolling process completed. Lubrication indents are stamped into this layer.

Bronze backing with lined Bushing , POM steel backed plastic covered bush , bushing

POM composite plain bearings are available as straight bushings, washers and strips

Advantages of VIIPLUS POM composite plain bearings

include:

• maintenance-free operation

• very good frictional properties

• high load carrying capacity

• high sliding velocity

• small operating clearance

Strips, Slide paths PAS,Wrapped POM Lined Bearings Steel + Bronze Powder + POM Strips

Our POM range of wrapped acetal lined bearings are suitable for rotary and oscillating movement applications.

The VIIPLUS plain bearings are available in metric and imeprial sizes as standard.

Our in-house machining service is able to offer non-standard sizes to suit customer specific requirements.

Characteristics

Strips are available in two material groups:

• Material group P1 for maintenance-free, dry-running applications
• Material group P2 for low-maintenance, lubricated applications

For the advantages of each group and help deciding which material group is best for the relevant use, please refer to the information provided in the section cylindrical bushes, flange liners and thrust washers.

VSB-20 Flange liners PAF

• Marginally lubricated bushings for grease or oil lubricated applications
• Standard parts contain grease indents in the sliding layer; plain sliding layer available by request
• Optimum performance under relatively high loads and low speeds
• Suitable for linear, oscillating and rotating movements
• Wide range of parts available from stock

Suitable for rotating and oscillating movement, less maintenance requirements due to the long re-lubrication intervals, lower wear, lower susceptibility to edge loading, no absorption of water and therefore no swelling, good damping behaviours, good resistance to shock loads.

1. POM thickness 0.30~0.50 mm. It provides high wearresistance and low friction even with only minute volume oflubricant are supplied, this bearing surface carries a pattern of circular indents which should be filled with grease on assembly of the bearing.
2. Sintered bronze powder thickness 0.20-0.35mm. A special composition of powdered copper is thermally fused to the steel backing. This contact layer acts as an anchor for the layer and conducts the thermal build up away from the bearing surfaces.
3. Low-carbon steel.Setting the foundation of the bushings, the steel back provides exceptional stability,load carrying and heat dissipation

• Metal-Polymer Composite Bushing Material
• Steel Back + Porous Bronze Sinter + POM with Lubrication Indents

Avaibearing Properties

Bearing forms available in standard dimensions
· Cylindrical bushes
· Thrust washers
· Sliding plates

Metric bearings and imperial bushings made to order: standard bushing forms in special dimensions, half-bushings, special shapes obtained by stamping, bearings with locating notches, lubricant holes and machined grooves, customized bushing designs

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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