OMTech 40W CO2 — Spray Painted Metal

What speed should I use to engrave Spray Painted Metal on the OMTech 40W CO2?

The top-rated community setting uses 350 mm/min at 45% power. Ablates spray paint to reveal bare metal. Thinner than powder coat so needs less power. Reduce power if paint splatters. Clean with IPA first.

Can the OMTech 40W CO2 cut Spray Painted Metal?

A 40W CO₂ laser can mark or engrave metal surfaces but cannot cut through them — metal cutting requires a much higher-powered laser or a plasma cutter.

How many passes does the OMTech 40W CO2 need to engrave Spray Painted Metal?

All settings here use a single pass. Confirm focus and do a small test burn before committing to your final design.

Do I need air assist for Spray Painted Metal on the OMTech 40W CO2?

Air assist is not flagged as required for these settings, but it is good practice during cutting operations to keep the lens clean and reduce char buildup.

What software do I use with the OMTech 40W CO2 for Spray Painted Metal?

The OMTech 40W CO2 works with LightBurn. Enter the speed, power, and passes directly into your software's layer settings — no conversion needed.