4.5-Axis CNC Machining for Delrin (POM / Acetal)
4.5-axis Delrin machining enables complex cam profiles, multi-feature assemblies, and intricate mechanical components in a single setup with excellent precision.
Recommended Machining Parameters
| Parameter | Value |
|---|---|
| Achievable Tolerances | ±0.02 mm |
| Surface Finish | Ra 0.4-1.6 μm |
| Cutting Speed | 150-400 m/min |
| Feed Rate | 0.08-0.20 mm/tooth |
| Tooling Recommendations | Sharp uncoated carbide. O-flute for finishing. Standard ball nose for contours. |
Expert Machining Tips
1
High speeds for best chip formation
2
Air blast sufficient for chip evacuation
3
Light finishing passes for tight tolerances
4
Single-setup advantage reduces tolerance stack-up
Common Parts Made
Complex cam profiles
Multi-feature assemblies
Conveyor system components
Robotic end effectors
Machining Challenges
- Material softness may cause chatter at long reaches
- Static charge on finished surfaces