Turning titanium Grade 5 requires careful parameter control due to its poor thermal conductivity, high strength, and chemical affinity with tool materials. Rigid setups and sharp tooling are mandatory.
| Parameter | Value |
|---|---|
| Achievable Tolerances | ±0.01 mm (±0.0004") |
| Surface Finish | Ra 0.8-3.2 μm |
| Cutting Speed | 40-80 m/min |
| Feed Rate | 0.10-0.20 mm/rev |
| Tooling Recommendations | Uncoated carbide (S grade) or PVD coated. Sharp positive inserts. Consider PCD for finishing. |
Low cutting speeds — heat has nowhere to go
Maintain positive chip flow at all times
High-pressure coolant aimed precisely at cutting zone
Use C-style or rhombic inserts for better heat dissipation
Never recut chips — they work-harden instantly
Medical implant shafts
Aerospace fasteners
Turbine shaft sleeves
Valve stems
Racing axle components
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