2000 Sintered Multi Layer Oilless Bushes With Dispersed Solid Lubricant

Sliding materials Oilles bushings 2000 Sintered Multi-Layer Bearings With Dispersed Solid Lubricant

The 2000 sintered multi-layer oilless bushes with dispersed solid lubricant are innovative components designed to provide exceptional wear resistance and durability in a wide range of industrial applications. These bushes are manufactured using a sintering process, which involves compressing and heating powdered metal materials to create a solid, porous structure.

The multi-layer design of these bushes allows for superior performance under high loads and speeds. Each layer is carefully crafted to optimize strength, stiffness, and lubrication properties. The dispersed solid lubricant within the material ensures smooth operation without the need for regular oiling or lubrication, significantly reducing maintenance requirements.

The sintered construction of these bushes also provides excellent heat resistance and corrosion resistance, ensuring reliable performance even in harsh environments. This makes them suitable for use in various machinery and equipment, including pumps, motors, and gearboxes.

The 2000 sintered multi-layer oilless bushes with dispersed solid lubricant offer a cost-effective and long-lasting solution for industrial applications that require high-performance bushings. Their unique design and material properties ensure smooth and efficient operation, reducing downtime and extending the lifespan of machinery and equipment.

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(Graphite Embedded Low carbon Steel)

Specify Part No. by required I.D., O.D. and Length. (e.g.) I.D. is 35mm, O.D. is 44mm, and length is 50mm.

Oilles 2000 Bushings (High Precision type)

Oilles 2000 Flange Bushings (High Precision type)

Oilles 2000 Wear Plates 5mm Thickness

Oilles 2000 Wear Plates 10mm Thickness

Oilles 2000 bushing sleeve are Sintered Multi-Layer Bearings bushing sleeve made up of sliding surfaces made of special sintered material and steel back metals. The solid lubricant made mainly of graphite is dispersed in the sintered layer, which is sintered and impregnated with oil.

Self-lubricating , Maintenance-free Bushing sleeve

Oilles 2000 bushing sleeve is a Sintered Multi-Layer Bearings bushing sleeve made of a special sintered material which forms the sliding surface and the steel material forms the support.

The sintered layers are of a special copper-nickel alloy containing a uniformly dispersed lubricating solid, the main component of which is graphite. Solid lubricants will be released onto the Sintered Multi-Layer Bearings bushing sleeve surface when wear occurs. This ensures a lower friction coefficient during operation.

In addition, these sintered layers are impregnated with oil. Applications covered include wear plates for automotive tools, industrial robots, wear plates for plastic injection molding machines and link Sintered Multi-Layer Bearings bushing sleeve, construction machinery, etc.

Feature

· Dispersed solid lubricant allows motions in any direction and offers superior performance for minute movements.

· Serviceable without the need for lubrication.

· Features superior load resistance, speed characteristics, and wear resistance.

· Standard Oilles 2000 bushing sleeve products and plates for additional machining are available in various sizes.

Characteristics

Service range

The values ​​in parentheses are the static pressures of the Sintered Multi-Layer Bearings bushing sleeve , which are the pressures of the Sintered Multi-Layer Bearings in non-moving or very low-moving applications (≦ 0.0017 m / s).

Mechanical properties

· The value shown above are for sintered layer.
· The values shown above are typical values, not the standard values.

Oil Impregnation Method

If the Bronze Bushing 2000 material is purchased and used by finishing it, it should be oil-impregnated after machining and then assembled in the housing. When the bushing sleeve Sintered Multi-Layer Bearings is stored for long or washed, it should be oil-impregnated again and then assembled in the housing. For the method, see the description about the oil impregnation method shown on page 250. Dip the machined bushing sleeveSintered Multi-Layer Bearings in lubricating oil for 24 hours or more before using it, if oil impregnation (by heating) is disabled.

Machining accuracy (bushing)

Classes here are in JIS standard.

This Oilles 2000 bushing sleeve product demonstrates satisfactory performance at the slide surface roughness of Rz6.3 to 12.5μm.

Oilles 2000 bushing sleeve Size sheet:

(e.g.) I.D. is 35mm, O.D. is 44mm, and length is 50mm.

The dimensional tolerances are the values measured at +25℃.

·By the combination of the highly precise article, clearance of a mating shaft and the bearings become smaller than normal combination. When use under the foreign matter environment ,or operating frequency are high, please contact us.

·The dimensional tolerances are the values measured at +25℃.

Availability

· Standard cylindrical bushes, flange bushes, thrust washers and slats are available.

· Lead-free type is also available

· All special designs are produced as required

Application

Oilles 2000 bushing sleeve has been widely used in high load with lower friction and good wear resistance requested mechanical parts where oil given is difficult such as automotive die wear plate, industrial robots, injection wear plate, injection tie-bar bushes, construction machines self-lubricating bushing sleeve bearings etc.

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SELF-LUBRICATING BEARING MANUFACTURER & SUPPLIER

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If you have any questions, please feel free to contact us,you are always welcome, thank you!

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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