FORMULAS
d × ѓ × n 1000
Cutting Speed v:
v =
Spindle Speed n:
n = v × 1000 d × ѓ
Drill / Reamer
Vc = Cutting speed in m/min f = Cutting feed in mm/rev
End Mill
Vc = Cutting speed in m/min fz = Cutting speed in mm/tooth Vf = Cutting speed in mm/min fz × t × n
ap = Cutting depth ae = Cutting width
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