Spru Bushing

Spru Bushing – Enhanced Performance for Your Machinery

Revolutionary Engineering for Unmatched Durability
Introducing Spru Bushing, a cutting-edge engineering marvel designed to elevate the performance and durability of your machinery. Crafted with precision using advanced materials, this bushing ensures smooth and reliable operation, even under the most demanding conditions. Say goodbye to frequent replacements and downtime – the Spru Bushing offers unprecedented longevity, extending the life of your equipment and minimizing maintenance costs. Invest in a game-changing solution that promises a seamless experience and peace of mind.


Bronze Spru Bushing – Precision Fit for Optimal Efficiency

Experience a new level of efficiency with the Bronze Spru Bushing’s precision fit design. Engineered to exacting standards, this bushing seamlessly integrates into your machinery, optimizing its performance with reduced friction and wear. Achieve higher productivity and increased output, as the Spru Bushing maximizes power transmission and minimizes energy loss. No more compromises – enhance your machinery’s efficiency with this bespoke solution and take your operations to new heights.

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Sprue Bush Oilless Graphite Soild Bush

Oilless Graphite Solid Bush is a type of sprue bush made from graphite material and designed to operate without the need for additional lubrication, hence the “oilless” attribute.

Graphite is a popular choice for sprue bushings due to its self-lubricating properties and resistance to high temperatures. This makes it well-suited for use in injection molding processes where molten plastic can reach elevated temperatures. The graphite material ensures smooth and reliable operation, reducing the risk of component failure and improving the overall efficiency of the injection molding process.

C93200 bronze bushing with graphite, Sprue Bushing Oilless Graphite Soild Bush

Oilless Graphite Soild Bush & Sprue Bushing

What are Spru Bushings?

Spru bushings, also known as sprue bushings, are small cylindrical components made from durable materials like steel or bronze. They are strategically placed in mold cavities to facilitate the injection of molten material, such as plastic, into the mold. The primary purpose of sprue bushings is to create a channel for the molten material to flow, ensuring even distribution within the mold.

Advantages of Bronze Sprue Bushings

  • Improved Thermal Conductivity
  • Enhanced Wear Resistance
  • Low Friction

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The Role of Spru Bushings in Injection Molding

Sprue Bushings: These are the components used in injection molds to create channels (sprues) through which molten material is injected into the mold cavity. The sprue bushings help control the flow of material and direct it to the appropriate areas of the mold.

For Injection Mold: This specifies the application of the sprue bushings. They are designed to be used in injection molding processes, where molten material is injected into a mold to form a specific shape.

Bronze Graphite Sprue Bushing: This indicates the material composition of the sprue bushings. They are made from a combination of bronze and graphite. Bronze provides strength and durability, while graphite adds self-lubricating properties, reducing friction and wear during the injection molding process.

Sprue Bushings For Injection Mold Bronze Graphite Bushing
OEM Bushings Bearing Bronze, Sprue Bushing Oilless Graphite Soild Bush

Sprue Bushing Demystified – All About Oilless Graphite Soild Bush!

Types of Bronze Sprue Bushings

There are several types of bronze sprue bushings available, each designed to cater to specific molding requirements. The common types include:

  1. Straight Bushings
    Straight bushings are the most basic and widely used type. They provide a direct flow path from the nozzle to the mold cavity.
  2. Stepped Bushings
    Stepped bushings have varying diameters and are used to control the flow rate and pressure of the molten material.
  3.  Sleeve Bushings
    Sleeve bushings consist of two parts and allow for easier replacement without disassembling the entire mold.

Transform Your Machinery with Sprue Bushing: Oilless Graphite Soild Bush Exposed!

The Spru Bushing sets a new standard for smoothness in machinery operation. Its innovative design absorbs shocks and vibrations, resulting in whisper-quiet performance. Say farewell to noisy and disruptive machinery and embrace a serene work environment. The reduction in vibrations also translates to less strain on your equipment, reducing the risk of damage and enhancing overall safety. Elevate your workplace experience with the Spru Bushing’s vibration-free operation.



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Bronze Sprue Bushings vs. Other Materials

Bronze sprue bushings offer unique advantages over other materials commonly used in injection molding, such as steel and plastic. The comparison includes:

  •  Steel Bushings

Bronze bushings are preferred over steel for their superior thermal conductivity and reduced risk of rusting.

  • 8.2 Plastic Bushings

While plastic is a cheaper alternative, bronze offers better wear resistance and thermal stability.


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