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🛠️ CNC Milling vs. CNC Turning: What’s the Difference?
When it comes to CNC machining, two of the most common techniques are CNC milling and CNC turning. While both processes are highly precise and widely used in manufacturing, they have distinct differences in how they shape parts.
🔹 What Is CNC Milling?
CNC milling uses a rotating cutting tool to remove material from a stationary workpiece. The tool moves along multiple axes (3-, 4-, or 5-axis) to create complex features.
Best for:
- Complex geometries
- Flat surfaces
- Slots, pockets, and holes
🔸 What Is CNC Turning?
CNC turning rotates the workpiece itself, while a single-point cutting tool shapes it. It’s perfect for cylindrical or symmetrical parts.
Best for:
- Shafts, pins, and bushings
- Round parts
- Fast, high-volume production
⚖️ Key Differences
| Feature | CNC Milling | CNC Turning |
|---|---|---|
| Workpiece Movement | Stationary | Rotates |
| Tool Movement | Moves along multiple axes | Moves linearly |
| Geometry | Complex shapes, flat faces | Cylindrical, round profiles |
| Applications | Housings, brackets, mechanical parts | Spacers, pulleys, threaded shafts |
🧩 Which Process Should You Choose?
If your part is round or cylindrical, CNC turning is often faster and more cost-effective.
If your design includes complex features, tight tolerances, or multiple faces, CNC milling is the better choice.
At 2F Prototypes, we offer both CNC milling and turning in-house, so you don’t have to choose — we’ll help you decide the best path for your project.
📩 Not sure which one is right for you?
Send us your CAD files, and our engineering team will assist with process selection.
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