During roll forging, a metal blank is run through a set of rollers that have built-in impressions in the shape of the wheel, giving the wheel its final shape. There is one drawback to roll forging ...

Forging molds and shapes a solid piece of aluminum-alloy using force and compression. Rolled forging takes hot aluminum-alloy and uses rollers to force the metal into the thickness and shape needed.

The forging industry is a key element of the US industrial base. ... Finally, there is rolled ring forging in which tooling presses the metal at various angles to make rings or bearings.