The oilless bronze groove self-lubricating bushing is a highly efficient and reliable component specifically designed for injection molding and die casting applications. Made from high-quality bronze alloy, it offers exceptional wear resistance and durability, ensuring smooth and consistent operation even under high loads and speeds.

The unique groove design allows for the bushing to self-lubricate, reducing the need for regular maintenance and lubrication. This not only saves time and effort but also minimizes the risk of contamination and downtime due to lubrication issues.

The bushing's precision-crafted grooves also help to distribute the load evenly, reducing stress concentrations and enhancing the overall performance of the component. This makes it particularly suitable for use in injection molding machines and die casting equipment, where precision and reliability are paramount.

Moreover, the bronze alloy used in the bushing offers excellent corrosion resistance, making it suitable for use in environments with high humidity or exposure to corrosive chemicals.

In summary, the oilless bronze groove self-lubricating bushing is an ideal choice for injection molding and die casting applications, providing a durable, wear-resistant, and maintenance-free solution that enhances the performance and reliability of the overall system.

Oilless Bronze Groove Self Lubricating Bushing

Viiplus is always focusing on the overseas markets, by satisfying the ever-increasing demands of modernization of customers. We could provide products according to the international standards, and could also provide as per the customers' requests. With stable product quality and best level of services, our products have been exported to dozens of countries and regions from the Europe, the United States, and Southeast Asia, etc.

Oilless Bronze Groove Self Lubricating Bushing For Injection Molding , Die Casting,Bronze material specification.

Discovery the Injection Molding Custom Bronze Bearing Parts. Injection Molds bronze bearings Project. Get a Quote Today. Molding, CNC Industry Bushing parts. Trusted Bronze bearing manufacturer.

VIIPLUS CHINA PLAIN BEARINGS has been committed to new product research and development, material performance, improved JDB series solid inlaid self-lubricating axle sleeve with high strength, wear resistance, free maintenance etc, has successfully supporting several world famous manufacturers of injection molding machine, die-casting machine.

Bronze Bearings Manufacturing‎

Stable Graphite or without graphite Bronze Self Lubricating Bearing For Injection Molding

Product Specification

Product Description

Product Name	customized high quality centrifugal casting bronze bushing,graphite bronze bushing,bronze graphite bushing
DN mm	11~180mm
Axis Angle	1°00/1°30
Rated Torque	10~25000 N·m
Allowable speed	5000~350N·m
Material	35CrMo/HT200/ZG270
Application	Widely used in metallurgy, mining, engineering and other fields.

Features of bronze fittings:

(1) Standard brass material: We use Cu>57% brass in the production,also we can use the material designated by customer,such as C3600, C3770
(2) All the production step is controlled in our factory.

a.Puchase brass material from qualified factory and test the brass content

b.Hot forged or stamped in our workshop

c.CNC machining by our skilled workers in our CNC workshop

d.assembled in the assembly line

e.surface and performance test by our qualified inspector

f.standard export package(then put into special cartons,then put cartons onto pallets to protect the cartons from breaking)

g.fast and delivery on time

FOLLOW US ON


HTTP://WWW.BRONZEGLEITLAGER.COM

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.

4.  

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.

  •  
  •  
  •  
  •  
  •  
  •  
  •  

• 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.

•  

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.

•  

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.

•