Knowledge What is pressing dies? 5 Key Points to Understand
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Tech Team · Kintek Solution

Updated 2 months ago

What is pressing dies? 5 Key Points to Understand

Pressing dies are specialized tools used in the process of press forging, particularly in closed die methods, to shape and form metal workpieces through the application of pressure.

These dies are designed to enclose the metal workpiece, allowing for precise and controlled plastic deformation that fills the die cavities, resulting in the desired shape and dimensions of the final product.

What is pressing dies? 5 Key Points to Understand

What is pressing dies? 5 Key Points to Understand

1. Die Design and Functionality

Pressing dies are typically made from strong, durable materials capable of withstanding the high pressures involved in the forging process.

They are designed with specific cavities that match the desired final shape of the forged part.

When the metal is placed within the die and pressure is applied, the metal flows to conform to these cavities, undergoing plastic deformation.

This process ensures that the metal workpiece is shaped accurately and with minimal material waste, as compared to open die forging methods.

2. Types of Pressing Dies

Closed Die Forging

In this method, the die completely surrounds the workpiece, allowing for more intricate and complex shapes to be formed.

This method produces less flash (excess material) and requires less draft (the angle necessary to remove the part from the die) compared to open die forging.

Examples of closed die forging methods include coining and hubbing.

Coining

This specific method involves high pressure to create detailed impressions on coins or similar objects.

The dies used in coining are designed to withstand pressures that are several times the strength of the metal being forged, ensuring fine details are accurately reproduced.

Die Pressing in Other Processes

Pressing dies are also used in other metalworking processes such as compaction of powder metals and ceramics.

In these processes, the die design and the application of pressure are tailored to achieve the desired density and strength of the final compacted part.

3. Material and Process Considerations

Materials

Pressing dies can be used with a variety of metals, including both ferrous and non-ferrous materials.

The choice of material for the die itself is crucial to withstand the pressures and temperatures involved in the forging process.

Process Control

Modern forging operations often incorporate CNC automation, which allows for precise control over the speed, travel distance, and pressure applied during the forging process.

This enhances the accuracy and efficiency of the die pressing operation.

4. Conclusion

Pressing dies are integral to the precision and efficiency of press forging operations, particularly in closed die methods.

They enable the production of complex shapes with high dimensional accuracy and minimal material waste, making them essential tools in various metalworking industries.

Continue exploring, consult our experts

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Experience the art of metal shaping with our cutting-edge dies, made from the toughest materials to ensure they withstand the harshest forging pressures.

From intricate coin designs to high-density powder metal compaction, our dies are tailored for efficiency and accuracy.

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Contact us today to transform your forging process with our specialized pressing dies.

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