Turning Force Calculator

Calculate cutting forces, power, and torque for CNC and manual lathe turning operations.

Radial depth of cut.
mm
Feed per revolution.
mm/rev
Surface cutting speed.
m/min
Steel: 2000-2500, Aluminum: 700-900 N/mm².
N/mm²
Diameter of the workpiece being turned.
mm

Results

Cutting Force (Fc)-N
Feed Force (Ff)-N
Cutting Power-kW
Spindle Torque-N·m
Spindle Speed-rpm
References: Altintas — Manufacturing Automation; Merchant's Circle