Turn-Mill CNC (Multi-Tasking Machine) Turn-Mill CNC
Nakamura-Tome NTRX-300, DMG Mori NTX 1000/2000, Mazak INTEGREX i-200 class — multi-tasking turn-mill centers combining turning and milling in one clamping for complete 'done-in-one' titanium component manufacturing.
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What is a Turn-Mill CNC Machine?
A turn-mill CNC (multi-tasking machine) combines the capabilities of a CNC lathe and a machining center into a single platform. It features a main spindle, a sub-spindle, and live tooling that enables turning, milling, drilling, and tapping operations to be performed in a single clamping. This eliminates part transfers between machines, reduces WIP by 50-70%, and improves overall accuracy by maintaining a single datum reference throughout all operations.
Classification
CNC Machining
Common Names
Key Characteristics
- Combined turning and milling in a single clamping for complete part production
- Main spindle + sub-spindle for simultaneous machining and automatic part transfer
- B-axis milling head (typically ±120°) for angled features and compound surfaces
- 5+ axes (X, Y, Z, B, C + sub-spindle C) for complex multi-face machining
- 24-80 tool ATC plus turret for extended unattended operation
- Sub-spindle enables back-side machining without operator intervention
- 70-150 bar through-spindle HPC for titanium deep-hole drilling and slotting
Applicable Standards & Certifications
Turn-mill CNC machines conform to the following international standards:
Technical Specifications
Recommended specifications for titanium-capable turn-mill CNC machines:
| Parameter | Specification |
|---|---|
| Number of Axes | 5+ (X, Y, Z, B, C + sub-spindle) |
| Max Swing Diameter | Ø500–660 mm |
| Max Turning Length | 500–1,000 mm |
| Main Spindle Speed | 5,000–6,000 rpm |
| Main Spindle Power | 22–30 kW |
| Main Spindle Torque | 300–500 Nm |
| Spindle Bore / Bar Capacity | Ø65–80 mm |
| Milling Spindle Speed | 10,000–12,000 rpm |
| Milling Spindle Power | 15–22 kW |
| Tool Magazine Capacity | 24–80 tool ATC + turret |
| Coolant Pressure | 70–150 bar (through-spindle) |
| Positioning Accuracy | ±0.004 mm |
| Repeatability | ±0.002 mm |
| Rapid Traverse Rate | 36–50 m/min |
| Power Requirement | 40–55 kVA |
| Footprint (L×W×H) | 4.2 × 2.5 × 2.6 m |
| Machine Weight | 8,000–14,000 kg |
| Control System | Fanuc 31i-B5 / Mazatrol SmoothAi / Siemens 840D |
Available Machining Operations
Turn-mill CNC machines are capable of executing the following operations on titanium workpieces:
Typical Products & Components
Turn-mill CNC machines are used to produce the following titanium components:
Primary Industries
Turn-mill CNC machines serve as critical manufacturing equipment across these industries:
Alternative & Complementary Equipment
Depending on part geometry, volume, and accuracy requirements, the following alternatives or complementary machines may be considered:
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Guidance for the professionals who specify titanium
Role-specific answers and resources for engineers and buyers in this industry.
Common questions from this audience
What equipment do you use for titanium machining?
5-axis machining centers, turn-mill CNC, wire EDM, CMM, laser trackers, robotic pallet systems and vacuum heat-treat furnaces.
How do you ensure precision and repeatability?
In-house CMM metrology and laser-tracker 3D scanning verify dimensions; controlled machining holds tolerances down to ±0.005 mm.
How is inspection and quality verified?
CMM, laser tracker and 3D scanner inspection per ASME Y14.5 with first article reports.
Related resources
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Founded in 2011 in Baoji's Titanium Valley, BOZE Metal is dedicated exclusively to titanium — from raw material to precision engineering. AS9100D, ISO 13485 & ISO 9001 certified with 500+ clients across Aerospace, Medical & Motorsport industries, we deliver end-to-end precision titanium CNC machining with full material traceability from source to component.
Boze Titanium Manufacturing Center is operated by Baoji Boze Metal Products Co., Ltd.
Certifications verified by NADCAP and compliant with ASTM International titanium standards (B265, B348, B381, F136, F2924) and ISO 13485 medical-device QMS.