Laser Settings for Delrin / Acetal (POM)
Can you laser cut Delrin (acetal)?
Yes on CO2, with care — Delrin cuts to crisp, precise edges that make it a favourite for gears, jigs and mechanical parts. But it releases formaldehyde gas as it cuts and can sustain a flame, so it sits firmly in the strong-extraction, close-supervision category.
CO210.6 µm settings
| Variant | Operation | Speed | Power | Passes | Ref. |
|---|---|---|---|---|---|
| Delrin / acetal (POM) 3mm | Cut | 10–15 mm/s | 60–75% | 1 | 60 W |
| Delrin / acetal (POM) | Engrave | 300–500 mm/s | 15–25% | 1 | 60 W |
⚠ CutReleases formaldehyde gas and can sustain a flame — strong extraction, fire watch.
✓ EngraveCrisp mechanical edges — a favourite for gears and jigs.
PrepPreparation & technique
Air assist and honeycomb bed. Delrin comes in black and white; both cut similarly. Diode lasers don't cut it usefully.
⚠ SafetyFormaldehyde fumes demand strong extraction ducted outdoors or through a rated filter, and Delrin can hold a flame — fire-watch every cut.
LearnMatching tutorials
All values are starting points at the stated reference wattage. Run a test grid on your own machine and material batch first.