One term. Four different buyers. Machines that differ 50 times in price.
A gift shop marking tumblers and a factory marking serial numbers both search this phrase. They need completely different machines.
Fiber, MOPA, CO2, UV or diode. Prices run from $1500 to $10,000. Match your material first, and half the machines disappear from your list.

Not sure which one fits your part? Send us a photo of your part. We reply within 24 hours.
Which kind of buyer are you?
Four groups search this term. Budgets run from $1500 to $10,000. The right machine for one group is the wrong machine for the others. Find your card first.

Gift and personalization business
You mark: tumblers, wood, leather, acrylic, phone cases
$1500 – $4,000

Nameplate or signage shop
You mark: aluminum and stainless plates, in batches
$2,000 – $8,000

Manufacturer marking parts
You mark: serial numbers, 2D codes, VIN, traceability data on metal
$3,000 – $10,000
Check Laser Marking Machines

Aerospace, medical or defense supplier
You mark: codes that must pass a customer’s verifier or an audit
$8,000+
The rest of this page is written for factories. If you are in the first two groups, the links above will help you more.
How Does a Laser Engraving Machine Work?
Short answer: a laser beam changes a thin layer of the surface. Nothing touches the part. The mark is permanent. There is no tool to replace and no ink to buy.
Three things decide what a machine can do:
- Wavelength — decides which materials it can mark
- Power — decides how fast and how deep
- Beam control — decides speed and accuracy
Wavelength matters most. Metal absorbs 1064 nm light well. It reflects 10.6 µm light.
That is why a machine that engraves wood beautifully will barely scratch steel. This one fact removes half of all machines from your list.
What types of laser engraving machines are there?
Short answer:
- Metal → fiber laser
- Metal in black or color → MOPA fiber laser
- Wood, acrylic, leather → CO2 laser
- Glass, ceramics, PCB → UV laser
- Hobby and low budget → diode laser
Your material picks the type. Your budget does not.

Fiber laser
1064 nm
✅ Steel, aluminum, brass, titanium, some plastics
❌ Glass, clear plastics, most ceramics
Best for: serial numbers, 2D codes, VIN, daily production marking. This is the default choice for industrial part marking.
HeatSign machines
HS-FL Series, 20W to 50W, enclosed or portable.
→ See fiber laser machines

MOPA fiber laser
1064 nm, pulse width 2–550 ns adjustable
✅ Everything fiber does, plus true black on aluminum, color on stainless, annealed marks for medical parts
❌ Same material limits as fiber
A standard fiber source has a fixed pulse width. MOPA lets you tune it. If you need black on anodized aluminum, that is not a preference. It is the difference between possible and impossible.
HeatSign machines
HS-FL60M MOPA, adjustable pulse, for medical and aerospace detail.
→ See MOPA machines

CO2 laser
10.6 µm
✅ Wood, acrylic, leather, paper, glass, rubber
❌ Bare metal without a coating
Best for: signage, packaging, gift and craft production.
HeatSign machines
HS-CL Series CO2 marking systems.
→ See CO2 machines

UV laser
355 nm
✅ Glass, ceramics, PCB, medical polymers
❌ Deep marks. Slow on steel.
A cold process with the smallest heat-affected zone. Use it when heat would damage the part.
HeatSign machines
HS-UV Series, 3W and 5W cold marking.
→ See UV machines

Diode laser
~450 nm
✅ Wood, leather, dark acrylic
❌ Reliable metal marking without surface preparation
Entry level and compact. Good for hobby work and testing an idea. Not built for daily production.
HeatSign machines
HS-FL10B, 10W diode marking.
→ See Portable Diode Laser Marker
The fiber versus MOPA question catches people out. A standard fiber source has a fixed pulse width; MOPA lets you tune it. If you need black on anodised aluminium or colour on stainless, that is not a preference — it is the difference between possible and impossible.
Which materials can each type actually handle?
Match the material to the source before anything else. Get this wrong and the machine is useless for your job, no matter how much power it has.
Tap your material:
Stainless steel
Aluminum (bare)
Painted or coated metal
Silver, gold and precious metals
Deep relief in metal
Wood
Glass
Leather, acrylic and paper
Plastics (ABS, PC, PVC)
Ceramics
For non-laser methods, see how to engrave metal, which compares laser against the mechanical alternatives.
Laser engraving vs etching vs marking — what is the difference?
Short answer: depth.
- Etching melts the surface. Depth: about 0.001 in (0.025 mm).
- Engraving removes material. You can feel the groove.
- Color marking removes nothing. It changes the color only.
- Marking is the umbrella word for all three
Laser etching
The surface melts and reflows, leaving micro-bumps and discoloration.
Depth: up to about 0.001 in · Suits: cosmetic marks, thin stock, parts that must not lose thickness
Laser engraving
Material vaporizes, leaving a groove.
Depth: deeper, felt by hand · Suits: marks that survive abrasion, blasting or rough handling
Laser color marking
Heat oxidizes the surface. No material is removed.
Depth: zero · Suits: medical stainless, where breaking the surface causes corrosion
Why this matters: if a drawing says “etch” and your supplier quotes “engrave”, you may get a groove where the part cannot lose thickness. On a load-bearing part, that groove is a stress point. An annealed mark is not. Confirm which one before you order.
Go deeper on process differences
How much does a laser engraving machine cost?
Roughly $1500 to $18,000 . That spread is four different products, not four quality levels.
Where HeatSign sits. Most of our customers buy between $2,500 and $9,000. That is a 20W to 60W fiber or MOPA system, enclosed, with software and one year of warranty. Below $1,500 you are buying a hobby machine. Above $15,000 you are mostly buying automation, not laser power.
Five costs that are not on the quotation
Fume extraction — required for plastics and coated metal. Filtering, not just venting.
Laser safety — a Class 4 open machine needs goggles, a closed area and a safety officer. A Class 1 enclosed machine costs more and skips that argument.
Shipping and customs duty — varies a lot by country. Ask for the HS code before you budget.
Power supply — check 110V or 220V, single or three phase, before you order.
Training time — plan two to three days for your first operator.
Want a real number for your job?
Tell us your material, mark size and parts per day. You get a quote in one working day.
Get a quote

How do you choose a laser engraving machine?
Six steps, in this order. Material first, because it eliminates entire source types. Then mark type, part size, throughput, safety class and software. Power comes last — it is the spec buyers fixate on and the one that decides least.
Material
What you are marking, and its surface condition. This removes whole source types immediately.
Mark type
Etch, engrave or anneal, and how deep. This decides the power you need and whether MOPA is necessary.
Part size and shape
Flat or curved, and how big. Flat field lenses distort on curves. The rated marking area is a flat area.
Throughput
Parts per shift, and seconds per mark. This decides galvo speed and whether you need inline integration.
Safety class
Class 1 enclosed or Class 4 open. Your plant's EHS rules may already decide this for you.
Software
Standalone controller or PC software. A station with no PC needs a touchscreen controller.
One trade most buyers miss: a bigger marking area is not an upgrade. It trades detail and power density for size.
Do not start with power. Power is the number on every datasheet and the one that decides least. A 50 W machine pointed at glass is still useless.
If your parts carry codes a customer will scan, there is one more question: will the mark pass their verifier? That is a different standard from “it looks good”. Settle it before you buy, not after your first rejected batch.
Go deeper on selection and settings
What else do you need to run it?
Six things people forget to budget. All six affect whether the installation passes your own safety review — and whether the machine actually starts working the week it arrives.
1. Fume extraction
Engraving turns material into vapor. That vapor must go somewhere. Plastics and coated metals need a filter, not just a fan.
2. Eye protection
Goggles must match the wavelength. Goggles rated for a 1064 nm fiber laser do nothing against a 355 nm UV source. Check the optical density too. OD4 and OD6 are not close.
3. Software
Most industrial machines run EZCAD or LightBurn. If your station has no PC, you need a touchscreen controller.
4. Power supply
Check your voltage before you order. We build 110V and 220V versions. Tell us your country and we ship the right one.
5. Delivery and customs
Air freight takes 7 to 12 days. Sea freight takes 25 to 40 days. We provide the invoice, packing list and HS code your customs office needs.
6. Training and support
Every machine ships with a video manual in English. We support by WhatsApp, email and remote desktop. Spare parts ship within 48 hours.

Go deeper on the surrounding setup


Why buy from HeatSign
We have built industrial marking machines for over 10 years. Our machines run in factories in more than40 countries.
- Free sample marking on your own part before you order
- One year warranty on core parts
- Support in English by WhatsApp, email and remote desktop
- Spare parts shipped within 48 hours
- 110V and 220V versions available

FAQs
Which laser engraving machine do I need for my material?
Match the material first. Fiber lasers mark metal. MOPA fiber lasers add black and color on metal. CO2 lasers handle wood, acrylic, leather and paper. UV lasers handle glass, ceramics and sensitive plastics. Diode lasers are entry level for wood and dark acrylic. Your material picks the machine, not your budget.
How much does a laser engraving machine cost in 2026?
A hobby diode machine starts near $300. An entry fiber machine costs $1,500 to $3,000. A production fiber or MOPA system for factory marking costs $3,000 to $8,000. High power and automated systems run $8,000 to $18,000. Most HeatSign customers buy in the $2,500 to $9,000 range. Price follows power, enclosure and automation.
What is the difference between laser engraving and laser etching?
Depth is the difference. Etching melts the top surface and leaves a mark about 0.001 inches deep. Engraving removes material and leaves a groove you can feel. Etching suits thin parts and cosmetic marks. Engraving suits marks that must survive abrasion or blasting. Both are types of laser marking.
What is a digital engraving machine?
A digital engraving machine is any engraver driven by a design file instead of a stencil or template. All laser engravers are digital. CNC rotary engravers are digital too. Some people call these computerized or computer engraving machines. The term says nothing about the technology, so always ask which laser source is inside.
Do I need a fiber laser engraver or a MOPA fiber laser engraver?
Choose standard fiber for normal marks on steel, aluminum and brass. Choose MOPA if you need true black on anodized aluminum, color on stainless steel, or annealed marks on medical parts. MOPA lets you tune the pulse width. For those three jobs, MOPA is not a preference. It is the only option that works.
Can one machine engrave both metal and wood?
Yes — a UV laser at 355 nm does both. It is the one wavelength that works on almost every material, because it breaks chemical bonds instead of burning. On wood that means fine marks with no scorched edges. On metal it means a clean surface mark.
But read “engrave” carefully. UV lasers run at 3 to 15 W. That is enough to mark metal, not to cut depth into it. For a deep mark on steel or brass you need a 60 to 100 W fiber laser. For cutting wood you need CO2.
So: one machine for both, if you need surface marks on each. Two machines, if you need depth in either.
How long is delivery, and what support do I get after I buy?
Air freight takes 7 to 12 days. Sea freight takes 25 to 40 days. We provide the invoice, packing list and HS code your customs office needs. Every machine ships with a video manual and one year of warranty on core parts. We support in English by WhatsApp, email and remote desktop. Spare parts ship within 48 hours.








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