Wing ribs and the need for power
Ribs and frames are the elements that shape the structure of an aircraft wing. The ribs attach to the main spar, and through being repeated at frequent intervals form a skeletal shape for the wing. Ribs usually incorporate the airfoil shape of the wing, and the skin adopts this shape when stretched over the ribs.
These kinds of components normally start from an aluminium block or a pre-shape. As a huge amount of material has to be removed, we need a machine that is capable of performing at the levels the industry requires.
The other aspect of the process involves the fixture and tools. The former has to be as rigid as possible and the latter have to be specifically designed for this kind of operation, i.e. chip evacuation channel, sharpness, unequal helix, balancing, etc.