Posted by in Manufacturing Capability, on March 2, 2017

Upset Forging

Upset forging, also called hot heading, is a process by which the cross-sectional size of a bar is increased, either at an end or at some point along its length. It is done on specially designed upsetting machines, using closed dies to control size and shape.

Typically, dies have several stations, and the parts are formed progressively by moving the parts from one die station or cavity to another until the forging is complete.

Examples of upset forging include – bolts, hexagon, square, liner, mill, fish and countersunk configuration, nuts and rivets.

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