Volumetric Productivity // Power Dynamics

Material Removal Rate
& Spindle Power

Calculate the physical volume of material excavated per minute (MRR = ap · ae · Vf) and verify cutting horsepower against your machine spindle capacity.

Cut Dimensions & Feed Input

Stock Material & Specific Force (kc)

Light cutting force. Allows high MRR even on benchtop and desktop CNC routers.

Axial Depth of Cut (ap)3.00 mm

0.2 mm (Finishing)12.5 mm25.0 mm (Full Slot)

Radial Width of Cut / Stepover (ae)3.00 mm

0.2 mm (Light clean-up)6 mm25.0 mm (Face mill)

Table Feed Rate (Vf)1200 mm/min

≈ 47.2 Inches Per Minute (IPM)

Machine Spindle Motor Power Rating

Computed Material Removal

Volumetric MRR

Removal Rate (MRR)

10.8cm³/min

= 0.66 in³/min (10,800 mm³/min)

Estimated Spindle Power

0.16kW

≈ 0.22 HP (Net cutting: 0.14 kW)

Spindle Load Capacity:11%

Cut within safe thermal & torque parameters of spindle.