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OMTech 80W CO₂ laser engraver — OMTech

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OMTech · CO₂

OMTech 80W CO₂

Workhorse CO₂ for shops that outgrew 40W — large bed, real production speed

Last updated How we evaluate

Released June 2020

What this machine is for

High-power CO₂ production for sign shops cutting thick acrylic & wood daily

Reference benchmark same job size on every machine so you can compare times fairly.

Laser spot size

~0.15 mm CO₂ spot

Smaller spot = finer detail (frame motion is usually the same across tiers)

Motion precision: 0.01 mm

Sample engrave job

~4–6 min

Filled photo or logo on birch plywood

10 × 10 cm (4 × 4 in)

Sample cut job

~1–3 min

Simple square cut-out from 3 mm acrylic

10 × 10 cm (4 × 4 in)

Times are estimates for the reference job above; your design complexity and settings will change them.

TL;DR

OMTech's 80W desktop/floor CO₂ machines target sign shops and serious makers who need faster cuts on thick acrylic and wood. More power, larger beds, and higher price than K40 class. Expect setup, ventilation, and maintenance — not plug-and-play.

What this machine is for

Production CO₂ laser for sign making and thick material cutting in dedicated workshop spaces.

Best for

Sign shopsThick acrylicProduction cuttingK40/55W graduates

Materials

Engraves

  • · Wood
  • · Acrylic
  • · Leather
  • · Glass
  • · Rubber
  • · Anodized aluminum

Cuts

  • · Acrylic up to ~20 mm
  • · Wood up to ~20 mm
  • · Leather
  • · Fabric

Cannot do

  • · Bare metal
  • · Zero-maintenance operation
  • · Small desk placement
  • · Silent home use

Pros

  • Real 80W cutting throughput for production
  • Large bed for signs and panels
  • LightBurn standard
  • Parts and tubes widely available
  • Strong value vs premium enclosed CO₂

Cons

  • Large footprint and weight
  • Requires dedicated ventilation and space
  • Setup and alignment learning curve
  • Water chiller maintenance mandatory
  • Not suitable for apartments

Beginner notes

Do not buy 80W as a first laser. You should already know you need this power and have ventilation planned.

Pro tips

Install ammeter and water flow sensor early. Keep spare mirrors and lens — production downtime costs more than parts.

Pro / technical specs

Raw numbers for experienced users comparing machines.

Laser spot size
~0.15 mm CO₂ spot
Max speed (spec)
600 mm/s
Avg engrave speed
180–350 mm/s fill
Avg cut speed
20–55 mm/s on 6 mm acrylic
Motion precision
0.01 mm