Ballnose diameter calculation
&
feed rate compensation
Fill in the red boxes, INPUT, then push "Calculate"
and cursor down the page for OUTPUT
INPUT

Tool Dia

Depth of Cut

SFPM

FPR



OUTPUT

Effective Cut Diameter


(Eff. Cut Dia.)
NOT Cut Dia.

RPM


calculated on
Eff. Cut Dia.

Adjusted FPR


calculated on chip
thinning based on DOC

IPM


Higher feed rate range

IPM


Lower feed rate range


If the Maximum machine RPM is less than the
RPM calculated on Effective Cut Diameter:
Fill in the Maximum Machine RPM and push "Calculate"

Maximum Machine RPM

Adjusted SFPM

Adjusted IPM