Turning 7075 aluminum requires slightly lower speeds than 6061 but still machines very well. The higher hardness actually helps chip formation and produces cleaner breaks.
| Parameter | Value |
|---|---|
| Achievable Tolerances | ±0.005 mm (±0.0002") |
| Surface Finish | Ra 0.2-0.8 μm |
| Cutting Speed | 250-500 m/min |
| Feed Rate | 0.08-0.20 mm/rev |
| Tooling Recommendations | Carbide inserts with chip breaker geometry. PCD for mirror finish. TiAlN coated for extended life. |
Use chip-breaking inserts for heavy roughing
Lower speeds than 6061 but still fast
Rigid setup important for long parts
Finishing passes at high speed for best Ra
Aerospace shafts
High-strength fittings
Precision dowel pins
Threaded studs
Roller components
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