Mill-Turn Machining Solutions
Complete turning and milling in a single setup; improve accuracy; shorten delivery time.
- Integrated machining of turning, milling, drilling, and tapping
- Significantly reduces the number of setups and minimizes cumulative errors
- Suitable for high-precision, complex-structure shaft and disc parts
- Supports stable delivery of samples and small batches
What is mill-turn machining?
Mill-turn machining integrates CNC turning and multi-axis milling functions onto a single machine. It allows for the completion of multiple complex machining operations on rotating parts in a single setup, including external diameters, internal holes, end faces, planes, keyways, angled holes, and multi-angle features.
Compared to the traditional sequential machining method of “turning first, then milling,” mill-turn machining significantly improves production efficiency and consistency while maintaining accuracy.
Advanced Mill-Turn Manufacturing for Complex Precision Parts
Mill-turn machining combines CNC turning and CNC milling operations into a single machine platform, enabling multiple machining processes to be completed in one setup. This integrated manufacturing approach significantly improves precision, reduces lead times, and lowers production costs for complex components.
Our mill-turn machining solutions are ideal for parts requiring both rotational and prismatic features, tight tolerances, superior surface finishes, and high production efficiency.
Whether you need prototypes, low-volume production, or large-scale manufacturing, our advanced mill-turn capabilities provide reliable, cost-effective solutions for demanding applications.
What Is Mill-Turn Machining?
Mill-turn machining, also known as Turn-Mill Machining or Multi-Tasking Machining, combines the capabilities of CNC lathes and CNC machining centers into a single machine.
Instead of transferring a workpiece between multiple machines, turning, milling, drilling, tapping, boring, and threading operations can be completed in one setup.
Key Benefits
- Reduced setup time
- Improved dimensional accuracy
- Better positional relationships between features
- Lower production costs
- Faster lead times
- Reduced workpiece handling
- Enhanced manufacturing efficiency
Why Choose Mill-Turn Machining?
Advantage Benefit Single Setup Machining Improved accuracy and consistency Reduced Lead Time Faster production cycles Lower Manufacturing Cost Fewer setups and operations Complex Part Capability Turning and milling in one process Improved Surface Finish Reduced repositioning errors Higher Productivity Increased machine utilization Better Repeatability Consistent batch production quality Our Mill-Turn Machining Capabilities
Capability Specification Maximum Turning Diameter Up to 600 mm Maximum Turning Length Up to 1500 mm Milling Axes Live Tooling + Y-Axis Multi-Axis Capability Up to 9-Axis Machining Tolerance Capability ±0.005 mm Surface Finish Ra 0.2 – 3.2 μm Production Volume Prototype to Mass Production Secondary Operations Completed in One Setup Capabilities may vary depending on part geometry and material requirements.
Mill-Turn Machining Operations
Our integrated machining services include:
Turning Operations Milling Operations OD Turning Face Milling ID Boring Slot Milling Facing Pocket Milling Grooving Contour Milling Threading Helical Milling Knurling Thread Milling Parting Drilling Precision Finishing Tapping Taper Turning Reaming Materials We Machine
We manufacture mill-turn components from a wide range of metals and engineering plastics.
Material Category Available Materials Aluminum 6061, 6063, 6082, 7075, 2024 Stainless Steel 303, 304, 316, 316L, 17-4PH Carbon Steel 1018, 1020, 1045 Alloy Steel 4130, 4140, 4340, 8620 Tool Steel D2, A2, O1, H13 Cast Iron Gray Iron, Ductile Iron Brass & Bronze C360, C377, C932, C954 Copper C101, C110 Titanium Grade 2, Grade 5 (Ti-6Al-4V) Nickel Alloys Inconel 625, Inconel 718, Hastelloy Engineering Plastics POM, PEEK, Nylon, PTFE, UHMW-PE, ABS, PVC, PC, Acrylic Typical Mill-Turn Components
Mill-turn machining is especially suitable for complex parts that require both cylindrical and prismatic features.
Component Type Typical Application Hydraulic Manifolds Fluid Control Systems Valve Bodies Oil & Gas Equipment Shafts with Cross-Holes Industrial Machinery Aerospace Connectors Aerospace Systems Medical Components Surgical Devices Sensor Housings Electronics Industry Turbine Components Energy Equipment Precision Fittings Industrial Applications Industries We Serve
Industry Typical Applications Aerospace Engine components, connectors, housings Automotive Transmission parts, shafts, housings Medical Precision instruments and implant components Energy Turbine and power generation parts Oil & Gas Valves, manifolds, connectors Electronics Precision housings and connectors Robotics High-precision mechanical components Industrial Equipment Multi-functional machined parts Quality Control System
Every mill-turn component undergoes comprehensive inspection to ensure compliance with customer specifications.
Inspection Capabilities
Inspection Item Inspection Method Dimensional Accuracy CMM Inspection Position Tolerance Coordinate Measurement Concentricity CMM & Dial Indicators Runout Precision Runout Testing Surface Finish Roughness Tester Thread Inspection Thread Gauges Material Verification Material Certification Final Inspection 100% Visual Verification Surface Finishing Options
Surface Treatment Benefits Anodizing Corrosion protection for aluminum Powder Coating Durable decorative finish Zinc Plating Improved corrosion resistance Nickel Plating Enhanced wear resistance Chrome Plating Decorative and protective finish Black Oxide Corrosion protection for steel Passivation Stainless steel protection Sandblasting Uniform surface appearance Heat Treatment Increased hardness and strength Laser Marking Permanent product identification Production Capacity
Item Specification Prototype Service Available Low Volume Production 1–500 Pieces Medium Volume Production 500–5,000 Pieces Mass Production 5,000+ Pieces Sample Lead Time 3–10 Days Production Lead Time 7–30 Days OEM Service Available ODM Service Available Drawing Formats STEP, STP, IGS, IGES, DWG, DXF, PDF Why Choose Our Mill-Turn Machining Solutions?
Advanced Multi-Tasking CNC Equipment State-of-the-art mill-turn centers capable of handling complex geometries in a single setup. Reduced Production Time Combining multiple operations into one machine significantly shortens lead times. Superior Precision Eliminating multiple setups improves dimensional accuracy and feature positioning. Cost-Effective Manufacturing Reduced labor, handling, and machine transfer costs. Flexible Production Support for prototypes, custom projects, and high-volume production. Comprehensive Quality Assurance Strict process control and inspection throughout manufacturing.
Frequently Asked Questions
What is mill-turn machining? Mill-turn machining combines CNC turning and CNC milling operations into a single machine, allowing complex parts to be manufactured in one setup. What are the advantages of mill-turn machining? The main advantages include higher precision, shorter lead times, reduced setup costs, and improved production efficiency. What tolerances can you achieve? Typical tolerances can reach ±0.005 mm depending on part geometry, material, and feature requirements. Is mill-turn machining suitable for complex parts? Yes. It is specifically designed for components requiring both turned and milled features, especially parts with complex geometries. Do you provide prototype machining services? Yes. We support rapid prototyping, low-volume production, and full-scale manufacturing.
The core advantages of mill-turn machining
1️⃣ Single-clamp setup for more stable precision
Avoids positioning errors caused by multiple clamping operations, ensuring coaxiality, perpendicularity, and positional accuracy, making it particularly suitable for high-requirement shaft parts.
2️⃣ Integrated processes for higher efficiency
Turning, milling, drilling, and tapping processes are completed within the same machine, significantly shortening the production cycle.
3️⃣ Easily accommodates complex structures
Can machine keyways, angled holes, side holes, planes, and multi-angle features, reducing the need for tooling and fixtures.
4️⃣ Reduced overall manufacturing costs
Reduces equipment changeover, manual intervention, and rework risks, lowering the overall unit cost.


