5-axis machining of 4140 steel enables complex die and mold geometries, contoured shafts, and compound-angle features that would otherwise require EDM or multiple setups.
| Parameter | Value |
|---|---|
| Achievable Tolerances | ±0.01 mm |
| Surface Finish | Ra 0.8-3.2 μm |
| Cutting Speed | 80-150 m/min |
| Feed Rate | 0.06-0.12 mm/tooth |
| Tooling Recommendations | Carbide ball nose end mills with TiAlN coating. Insert-style cutters for roughing. Shrink-fit holders. |
Best results in annealed condition
Use trochoidal milling for deep features
Rest machining strategies for efficient stock removal
HSM toolpaths for finishing contours
Die and mold cavities
Complex gear profiles
Turbine shafts
Multi-feature machine housings
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