RADIAL DEPTH OF CUT, AE:

When contouring (or profiling) a workpiece, it is advisable to reduce the radial depth of cut (Ae) when machining hard materials and when using small-diameter tools.

AXIAL DEPTH OF CUT, AP:

For most plastics, the Ap should be 1 to 2 times the tool diameter. For non-ferrous metals (aluminium, etc.) 0.5 to 1 times the diameter of the tool.

THESE ARE GUIDELINE VALUES.

For example: for expanded PVC, the Ap can be 3 to 4 times the tool Ø (for tools with a Ø of 6 mm and above)