Shaper
Cam drums with toolpaths of the type that in CNC milling terms would require 4 or 5axis contouring or turnmill cylindrical interpolation ; It is even possible to obviate wire EDM work in some cases. Starting from a drilled or cored hole, a shaper with a boringbar type tool can cut internal features that don't lend themselves to milling or boring (such as irregularly shaped holes with tight ...