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The Forging Process: A Complete Guide

The Forging Process: A Complete Guide

Wondering what the forging process is or what the process of forging involves? At B.B. Price, we’re a leading UK Forgemaster based in the West Midlands with over 100 years’ experience in forging. Read our full guide below to find out more about the forging process and how it can benefit your business today.

What Is the Forging Process?

Forging has been an essential method for shaping metal into strong, durable components for centuries. The forging process involves reshaping a material by pressing or hammering it into a specific shape. This is achieved by heating the material, typically metal, to a temperature where it becomes malleable. Once the metal is softened, it is pressed or hammered into a die or tool, where it cools and solidifies into the desired shape.

The main benefit of forging is the enhanced strength of the resulting product compared to other methods like casting. Forged parts are known for their superior durability, which is why they are often used in industries where strength is critical, such as construction and rail.

Are There Different Types of Forging Processes?

Yes, forging can be carried out using different methods, each suited for specific applications. The two main types of forging are drop forging and upset forging, and within these, we can further classify processes into open-die forging and closed-die forging.

An example of the upset forging process at B.B. Price

Drop Forging

Drop forging involves lifting a hammer and dropping it onto a pre-heated piece of metal to form it into the shape of the die. The heating softens the metal, allowing it to be reshaped with force. As the metal cools, it re-solidifies, gaining additional strength.

There are two types of drop forging:

  1. Open-Die Drop Forging (or Smith Forging): The dies used here do not completely cover the material, allowing the metal to flow freely except where it makes contact with the die. This method requires more operator involvement and is typically used for larger parts such as bars and cylinders.
  2. Closed-Die Drop Forging: In closed-die forging, the material is fully enclosed within the die. This process is used to create smaller, more intricate parts like seat belt buckles. The metal is heated and hammered into die casts to achieve a precise shape. Learn more about the differences here.

Upset Forging

Upset forging is one of the most common forging methods and is often referred to as "heading." The process involves placing a pre-heated bar into grooves that hold it securely while pressure is applied to compress one end of the bar into a die. This is the preferred method for creating parts such as screws, eyebolts, and insulator pins.

At B.B. Price, we follow strict guidelines to ensure maximum strength in upset-forged components by controlling the length and diameter ratio of the material during the process. Learn more about the advantages & disadvantages of upset forging.

An example of the hand forging process at B.B. Price

Advantages & Disadvantages of The Forging Process

Advantages

Forging offers several benefits that make it superior to other metal-forming processes like casting or machining:

  • Reduced Chance of Voids: Forging eliminates the risk of internal voids that can weaken a given part.
  • Improved Microstructure: The internal structure of forged metal is more refined, contributing to its greater strength and durability.
  • Finer Grain Size: Forging refines the grain structure, which improves mechanical properties and performance.
  • Continuous Grain Flow: Forged parts maintain continuous grain flow, ensuring greater strength, especially in high-stress areas.
  • Fatigue Resistance: Forged components are more resistant to fatigue, making them ideal for applications subjected to repetitive loads.
  • Enhanced Durability: The grain flow and structure produced during forging contribute to parts that are stronger and last longer than those made through casting or machining.

Disadvantages

While forging offers many advantages, there are a few potential drawbacks to consider:

  • High Initial Costs: Forging requires specialized dies and tools, which can be expensive to produce, especially for custom or low-volume orders.
  • Limited Design Complexity: Forging is not always ideal for creating highly complex shapes, especially when compared to processes like casting or machining.
  • Material Waste: The forging process may produce excess material that needs to be trimmed or machined off, leading to potential waste.
  • Size Constraints: Certain forging methods may be limited in the size and thickness of components they can produce.

Despite these limitations, forging remains the go-to process for parts requiring superior strength and durability.

Why Choose B.B. Price for Your Forging Needs?

At B.B. Price, we take pride in our comprehensive forging services, which include both hand forging and upset forging at our Rumbow Works site in Halesowen, West Midlands. Here’s why you should choose us for all your forging needs:

In-House Toolmaking: We have our own toolroom, equipped with state-of-the-art CNC and spark erosion machines. This allows us to create custom tools and dies, ensuring precision and quick turnaround times without relying on third parties.

Wide Range of Forging Services: Whether you need open-die forging for large components or closed-die forging for intricate parts, we’ve got you covered. Our team of experts can handle forging projects of all sizes, types, and shapes.

Greater Control Over Production: By keeping the toolmaking and forging process in-house, we can maintain tighter control over quality and lead times, ensuring that we meet your project requirements on time.

Expertise in Custom Solutions: From insulator pins and eye bolts to bespoke forged products, our team has the knowledge and experience to deliver high-quality, tailored forging solutions for various industries.

Superior Strength and Durability: All of our processes are designed to enhance the strength and durability of the final product, whether it’s through refined grain flow or optimised microstructures.

 

Ready to discuss your forging requirements? Contact our friendly team at B.B. Price today and learn how forging can meet your business needs.