Notes
HDPE machines very well on the Shapeoko 4. Great for jigs, fixtures, and food-safe items.
Tips
HDPE is waxy and chips tend to stick. O-flute or upcut bit clears chips well. Slower RPM reduces melting.
Details
HDPE machines very well on the Shapeoko 4. Great for jigs, fixtures, and food-safe items.
Bit
| Setting | Value |
|---|---|
| Type | 1/4" upcut or O-flute |
Cutting
| Setting | Value |
|---|---|
| Rpm | 16000 RPM |
| Feed Rate | 2000 mm/min |
| Depth Per Pass | 2.0 mm |
| Stepover | 40 % |
| Plunge Rate | 400 mm/min |
Notes
| Setting | Value |
|---|---|
| Chip Clearing | HDPE chips can reweld — keep air blast on important |
Tips
HDPE is waxy and chips tend to stick. O-flute or upcut bit clears chips well. Slower RPM reduces melting.