Machining Formulas
Core mathematical relationships used across the calculator library.
| Calculation | Formula |
|---|---|
| Feed Rate | RPM × flute count × chip load |
| Metric RPM | (1000 × cutting speed) ÷ (π × diameter) |
| SFM | π × diameter (in) × RPM ÷ 12 |
| MRR | Width of cut × depth of cut × feed rate |
| Cycle Time | Travel distance ÷ feed rate |