Find the Maximum Allowable Size of the Milling Cutter
Find the maximum allowable size of the milling cutter if it is to rotate at 65 rpm while the cutting speed is 20 m/min.
Vc = 20 m/min
N = 65 rpm
V c = π DN/1000 m/min
D = Vc × 1000 / π N = 20 × 1000/ π × 65 = 98 mm