CNC machining processes
Discover the different CNC machining processes and their specific applications for precision parts.
CNC milling
Subtractive machining for complex 3D shapes.
- 3-axis milling
- 4-axis milling
- 5-axis milling
- Complex geometries
CNC turning
Rotary machining for cylindrical parts.
- Shafts and rods
- Cylinders
- Bushings
- High precision
Multi-axis
Advanced machining for complex parts.
- Simultaneous axes
- Undercuts
- Screw shapes
- Complex angles
CNC tolerance guide
| Machining type | Standard tolerance | High precision | Surface roughness |
|---|---|---|---|
| 3-axis milling | ±0.1 mm | ±0.02 mm | Ra 1.6 μm |
| 5-axis milling | ±0.05 mm | ±0.01 mm | Ra 0.8 μm |
| CNC turning | ±0.05 mm | ±0.005 mm | Ra 0.4 μm |
Design guidelines
- Minimum wall thickness: 0.8 mm
- Minimum hole diameter: 0.5 mm
- Avoid sharp corners
- Respect depth limitations
Tooling and cutting speeds
- Correct tool selection
- Optimal cutting speeds
- Cooling and lubrication
- Workpiece clamping
Precision starts at the design — respect the capabilities and tolerances of each CNC process.