Effective diameter ball end mill
Actual cutting Ø when plunge depth < radius.
Dₑff = 2 · √(aₚ · (D − aₚ))
D Tool Ø
aₚ Depth of cut
Interactive calculator
Note: all cutting and material values are guide values. The tool or machine manufacturer's recommendations are decisive.
The calculator also runs in the workshop without a connection: app and desktop version