The PPC (Parabolic Performance Cutting) milling process, also known as barrel milling, is a further development of the full radius milling. The main areas of application are luminous operations of complex free-form surfaces and complicated workpiece geometries in general machine, tool and mould making.
PPC tools are also used when the highest surface comitations are required, for example for pressing tools, to minimise subsequent polishing work.
Advantages of the VHM barrel cutters are shorter processing time due to large line jump; lower set-up costs; minimising the inventory by universally applicable cutter; higher surface quality with lower maturities; outstanding process reliability; extreme wear resistance; and increased productivity.
VHM barrel cutter PPC (conical and tangential shape) is designed in such a way that the chips can be optimally shaped and discharged, especially when using the forehead radius. For this purpose, the number of swords is reduced to the number of effective forehead cuts.
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