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CNC cutting parameters
Recommended cutting speed, spindle RPM, feed rate and material removal rate for milling and turning.
Starting values for planning. Coatings, rigidity, coolant and chip evacuation dominate — prove out on the machine.
Inputs
Workpiece
Tool Ø
Tool Ø
mm
Flutes / teeth
Cutting speed Vc
m/min
fz / f · Chip load mm/tooth
mm/tooth
Depth of cut ap
mm
Width of cut ae
mm
Results
Spindle speed
5,730rpm
Feed rate
1,833mm/min
≈ 1.83 m/min
Cutting speed Vc
180m/min
MRR
18.3cm³/min
Est. spindle power
0.76 kW
≈ 1.04 HP
Formulas
n = 1000 · Vc / (π · D)
vf = fz · z · n (turning: vf = f · n)
Q_mill = ae · ap · vf / 1000 Q_turn = Vc · ap · f
Need motion hardware that matches these numbers?
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