Workshop Technology
Rotary swaging

Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
Is used for reducing the diameters of round bars and a tube by rotating dies which open and close rapidly on the work
Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part
Is extensively used for making bolts and rivets

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Workshop Technology
In a compound die

Only one operation is performed at each stroke of the ram
Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
Two or more operations are performed simultaneously at the single stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram

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