2 community-tested settings for cut, engrave Oak on the OMTech 40W CO2. Always run a test on scrap material first.
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These 2 settings cover cut and engrave Oak on the OMTech 40W CO2 (40W CO₂ laser). Wood results vary by grain direction and moisture content — always run a quick test on scrap before cutting your final piece. Some settings use multiple passes for a cleaner cut — pin or tape your material flat before running to prevent shift between passes.
2 settings
What speed should I use to cut Oak on the OMTech 40W CO2?
The top-rated community setting uses 200 mm/min at 100% power, 2 passes. Oak requires 2 passes at full power to cut 3mm. Dense grain means more char on edges versus softwoods. Air assist is essential. Check sheet flatness — oak tends to warp. Score the reverse side first on thicker stock.
How many passes does the OMTech 40W CO2 need to cut Oak?
Settings here range from 1 to 2 passes. Multiple passes give a cleaner edge but increase the risk of material shift — always pin or tape your material flat before running.
Do I need air assist for Oak on the OMTech 40W CO2?
Yes — 1 of the 2 settings here specify air assist on. It clears smoke and debris from the cut line, improves edge quality, and reduces fire risk especially during cutting.
What software do I use with the OMTech 40W CO2 for Oak?
The OMTech 40W CO2 works with LightBurn. Enter the speed, power, and passes directly into your software's layer settings — no conversion needed.
Templates ready to cut on your OMTech 40W CO2 once you've dialed in the settings.
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