Turning Material Removal Rate Calculator

How the turning material removal rate calculator works

For the stated turning relation, material removal in cm³/min is surface speed in m/min × depth of cut in mm × feed in mm/revolution. The mixed-unit normalization makes the numeric product cm³/min; do not multiply by an additional 1,000 after using those units.

The inputs are supplied process parameters, not recommendations for speed, depth or feed. This ideal material-rate relation does not model variable diameter, wear, interrupted cutting, machine power, rigidity, tool capacity or safe operation. Keep the effective depth/feed definitions appropriate to the process.

Quantities use the stated units and finite bounded inputs. Whole purchases round up under the documented model; cost components round half-up to cents before totals are summed. Undefined ratios stay unavailable. π and logarithms use normal numeric precision. Display rounding does not alter the entered assumptions.

Worked example

200 m/min × 2 mm × 0.2 mm/revolution gives 80 cm³/min. Reducing the entered surface speed to 100 m/min gives 40 cm³/min.

Sources and assumptions

The source material explains the underlying calculation or pricing structure. Entered prices, costs, schedules and scenario choices are your assumptions; this tool does not obtain supplier quotes or predict actual results.

• Sandvik Coromant general turning formulas and definitions