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WHAT IS COLD FORMING?

Cold forming is a manufacturing process whereby metal is shaped without removal of material. A simple blank (either sawn or cropped from a round bar or wire or as a cold headed pre-form) is placed within a die and a punch is pressed into the blank. The blank then takes on the form of the punch and the die.

The saving on raw material can be very significant as can the saving in machining time. Both of these qualities directly translate into savings for our customers and enable Dawson Shanahan to offer a more competitive solution than other companies who are unable to offer this facility.

Improvements in component properties are due to the grain structure of the material being elongated and forced to follow the contours of the part thus increasing its strength. Additionally, during cold forming the part undergoes work-hardening thus improving machinability and durability.

The benefits of cold forming over machining from solid

Saving Raw Material
Reduced Machining Time
Improved Component Properties
Reduce Product costs

The case illustrated below is an example of a type of cold forming known as Backward Extrusion. Other types of cold forming are: Forward Extrusion and Freeflow.