Laser cutting and etching: Difference between revisions

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== Desired Tools ==
== Laser Machines ==


== Laser Machines ==
* '''CO2 Lasers''' — Best for cutting and engraving non-metals (wood, acrylic, leather, fabric, paper, anodized aluminum, and more).
* '''CO2 Lasers''' — Best for cutting and engraving non-metals (wood, acrylic, leather, fabric, paper, anodized aluminum, and more).
** '''OMTech 80W CO2 Laser''' (Red/Black) — Primary workhorse machine; fully operational.
** '''OMTech 80W CO2 Laser''' (Red/Black) — Primary workhorse machine; fully operational.
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* '''Diode Laser''' — Entry-level machine; good for light engraving on wood, leather, and some plastics. Lower power than CO2.
* '''Diode Laser''' — Entry-level machine; good for light engraving on wood, leather, and some plastics. Lower power than CO2.


== Essential Equipment ==
----
* '''Air Compressor''' - For air assist nozzle
* '''Exhaust/Ventilation System''' - Fume extraction is critical
* '''Inline Fan with Ducting'''
* '''Fume Filter''' - Activated carbon and HEPA (for use with the Fiber Laser and UV Laser
* '''Chiller or Water Cooling System''' - For CO2 tube cooling
* '''Air Assist Pump''' - Reduces charring and flare-ups
* '''Honeycomb Bed''' - For cut-through work
* '''Rotary Attachment''' - For cylindrical objects
* '''Autofocus Probe''' - For consistent focus height [NOTE CURRENTLY DISABLED ON RED/BLACK CO2 LASER]
 
== Tools & Accessories ==
* '''Focus Gauge / Height Tool''' - located near each machine that requires manual focusing (attached to machine metal with magents)
* '''Masking Tape''' - Low-tack for surface protection
* '''Transfer Tape''' - For weeding small parts
* '''Tweezers and Picks''' - For removing small cutouts
* '''Digital Calipers''' - Material thickness measurement
* '''Fire Extinguisher''' Next to RED/BLACK CO2 Laser
 
```
 
== Safety Equipment ==
* '''Laser Safety Glasses''' — ⚠️ '''Required for Fiber Laser and UV Laser operation''' (if not using the green shield). Never look directly at the Fiber Laser beam without glasses. Tip: you ''can'' safely view your work through your phone camera while engraving.
* '''Fiber Laser View Blocking Panels''' — Please use the panels located near the machine to protect others in the space from beam exposure.
* '''Fire Blanket''' — Located on the East Wall next to the Red/Black 80W CO2 Laser.
* '''First Aid Kit''' — Includes burn treatment supplies. Located near the bathroom inside the main makerspace room.
* '''Gloves''' — Available for handling materials as needed.
```
 
== Software & Design ==
 
=== ⭐ Recommended Laser Software ===
{| class="wikitable" style="width:100%; border: 2px solid #f0a500;"
|-
! style="background:#f0a500; color:white; font-size:115%;" | 🏆 LightBurn — Preferred Laser Design Software
|-
| style="padding:10px;" |
'''LightBurn''' is the industry standard for laser cutting and engraving. It supports GCode, DSP (Ruida, Trocen), and EZCad2-based Galvo lasers (fiber, CO2, UV).
 
'''Not ready to buy yet?''' [https://lightburnsoftware.com/pages/download-trial Try LightBurn free for 30 days] — and if you need more time, LightBurn is known to be generous about extending trials a couple of times while you're getting started.
 
{| style="width:100%;"
|-
| style="width:50%; padding:8px; vertical-align:top;" |
'''LightBurn Core'''<br>
For GCode controllers — works with our '''CO2 lasers and diode lasers'''<br>
Permanent commercial license, installs on up to 3 computers (PC or Mac)<br>
[https://lightburnsoftware.com/products/lightburn-core Get LightBurn Core]
| style="width:50%; padding:8px; vertical-align:top; background:#fff8e7; border-left: 3px solid #f0a500;" |
'''LightBurn Pro''' ⭐ — '''GRM Members: 75% off (~$50 instead of $199)'''<br><br>
Required for our '''Fiber Laser and UV Laser''' (EZCad2 Galvo controllers).<br>
Also covers everything in Core — CO2 and diode lasers included.<br><br>
''If you plan to use any laser at GRM, Pro covers everything.''<br><br>
'''To get the discount code:'''<br>
Email [mailto:chris@grandrivermakerspace.org chris@grandrivermakerspace.org] or [mailto:info@grandrivermakerspace.org info@grandrivermakerspace.org], or ask any volunteer or board member in person.<br><br>
[https://lightburnsoftware.com/products/lightburn-pro Get LightBurn Pro]
|}
|}
 
=== Vector Design Tools ===
{| class="wikitable" style="width:100%;"
|-
! Software !! Cost !! Notes !! Link
|-
| '''Inkscape''' || Free || Open-source vector design — great for laser prep work || [https://inkscape.org/ inkscape.org]
|-
| '''Affinity''' || Free || Professional-grade vector and raster design suite || [https://www.affinity.studio/ affinity.studio]
|-
| '''Adobe Illustrator''' || Paid (subscription) || Industry standard vector design || —
|-
| '''CorelDRAW''' || Paid (subscription) || Popular in sign/laser cutting industry || —
|}
 
=== Other Laser Control Software ===
{| class="wikitable" style="width:100%;"
|-
! Software !! Cost !! Best For !! Link
|-
| '''LaserGRBL''' || Free || Diode lasers with GRBL controllers || [https://lasergrbl.com/ lasergrbl.com]
|-
| '''RDWorks''' || Free || Machines with Ruida controllers (older software) || —
|}
```


== Tools We Own ==
== Equipment ==


=== Laser Machines ===
=== Laser Machines ===
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|-
|-
| '''UV Laser''' || ComMarker Omni X 5W || 5W UV (355nm); bed size varies by lens:<br>• 150mm lens — 150mm x 150mm — everyday workhorse for flat engraving and general work<br>• 70mm lens — 70mm x 70mm — 3D internal glass/crystal engraving and high precision work<br><br>⚠️ Use portable fume extractor near machine<br><br>'''Software:''' LightBurn Pro required, or use free [https://commarker.com/download-center#download ComMarker Studio] on your own laptop || Yes — Mandatory || [https://drive.google.com/file/d/1g1euMNdNRhcB70FNCqKmt4u7zEXLOLqz/view?usp=sharing User Manual] <br> [https://commarker.com/omni-x-uv-laser-engraver Omni X Product Page]
| '''UV Laser''' || ComMarker Omni X 5W || 5W UV (355nm); bed size varies by lens:<br>• 150mm lens — 150mm x 150mm — everyday workhorse for flat engraving and general work<br>• 70mm lens — 70mm x 70mm — 3D internal glass/crystal engraving and high precision work<br><br>⚠️ Use portable fume extractor near machine<br><br>'''Software:''' LightBurn Pro required, or use free [https://commarker.com/download-center#download ComMarker Studio] on your own laptop || Yes — Mandatory || [https://drive.google.com/file/d/1g1euMNdNRhcB70FNCqKmt4u7zEXLOLqz/view?usp=sharing User Manual] <br> [https://commarker.com/omni-x-uv-laser-engraver Omni X Product Page]
|-
|}
|}


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! Item !! Model !! Specifications !! Notes !! Safety Training Required !! Owner's Manual
! Item !! Model !! Specifications !! Notes !! Safety Training Required !! Owner's Manual
|-
|-
| '''Fume Extractor''' || Generic portable fume extractor || HEPA filtration || style="background:#fff3cd;" | ⚠️ '''Required when using the Fiber Laser or UV Laser''' until a permanent exhaust system is installed. Unit is located next to those machines. || Yes || —
| '''Fume Extractor''' || Generic portable fume extractor || HEPA filtration || style="background:#fff3cd;" | ⚠️ '''Required when using the Fiber Laser or UV Laser''' unti
|}
 
=== Accessories ===
{| class="wikitable" style="width:100%;"
|-
! Item !! Model !! Compatible Machine(s) !! Notes !! Safety Training Required !! Owner's Manual
|-
| '''Rotary Attachment''' || PiBurn Laser Rotary 4.0 || OMTech 80W CO2 Laser || For engraving tumblers and cylindrical objects.<br><br>⚠️ '''Advanced process — not beginner-friendly.''' We recommend attending a [https://www.joingrm.org/events Laser Engraving Tumbler Workshop] or scheduling one-on-one training before your first use.<br><br>[https://docs.google.com/document/d/1ehYNczb6NYLjXHBb2dra8S1WoeYBvwKp6AO0va1Fkfs/edit?usp=sharing Rotary Setup & Usage Documentation] || Recommended — see notes || [https://drive.google.com/file/d/1DL7SxD9XZrba3T2CH2u2n2XFaP3Cma8V/view?usp=sharing Manual]
|-
| '''Rotary Attachment''' || ComMarker R5 Multi-Functional Rotary || Omni X UV Laser || For engraving tumblers and cylindrical objects.<br><br>✅ '''New to tumbler engraving? Start here.''' The UV Laser with the R5 Rotary is currently the most beginner-friendly way to laser engrave tumblers at GRM.<br><br>⚠️ '''UV Laser use is still an advanced process''' — we recommend scheduling one-on-one training before your first use.<br><br>[https://support.commarker.com/hc/en-us/articles/49728992565017-ComMarker-R5-Rotary-Introduction R5 Rotary Info & Overview]<br><br>📺 '''Videos:'''<br>[https://www.youtube.com/watch?v=CFRzkJSTa5A ComMarker R5 Rotary Overview]<br>[https://www.youtube.com/watch?v=OuGCCLo4IAs&t=27s ComMarker R5 In Use]<br><br>📚 [https://youtube.com/playlist?list=PLa34YHbTU0YZb6E1xmNqFBBRkxSfRumUC ComMarker Tutorial Playlist] || Recommended — see notes || [https://drive.google.com/file/d/1OdU6mAbpMmAkfBHPlW5ch3Jf3mLVQEV4/view?usp=sharing Manual & Assembly Guide]
|}
 
== Safety & Usage Information ==
 
=== General Safety Rules ===
* '''NEVER leave the laser unattended while operating'''
* '''Always wear appropriate laser safety glasses'''
* Ensure exhaust/ventilation is running before starting
* Keep fire extinguisher within reach
* Know the location of the emergency stop button
 
=== Material Safety - APPROVED Materials ===
 
{| class="wikitable"
|-
! Material !! Cut !! Engrave !! Notes
|-
| Wood / Plywood || Yes || Yes || Use air assist, watch for resin flare-ups
|-
| MDF || Yes || Yes || Heavy smoke, ensure good ventilation
|-
| Acrylic (Cast) || Yes || Yes || Best results, clean cuts
|-
| Acrylic (Extruded) || Yes || Caution || Tends to melt, less crisp engraving
|-
| Paper / Cardboard || Yes || Yes || Low power, fire risk
|-
| Leather (Veg-tanned) || Yes || Yes || NOT chrome-tanned
|-
| Cotton / Natural Fabrics || Yes || Yes || Low power, watch for ignition
|-
| Cork || Yes || Yes || Low power
|-
| Rubber (Laser-safe) || Yes || Yes || Only use laser-rated rubber
|-
| Anodized Aluminum || No || Yes || Engraving only
|-
| Glass || No || Yes || Engrave only, with care
|-
| Slate / Stone || No || Yes || Engrave only
|}
 
=== Material Safety - PROHIBITED Materials ===
 
{| class="wikitable"
|-
! Material !! Reason
|-
| '''PVC / Vinyl''' || '''Releases chlorine gas - EXTREMELY DANGEROUS'''
|-
| ABS Plastic || Toxic fumes, melts poorly
|-
| Polycarbonate (Lexan) || Discolors, catches fire easily
|-
| HDPE / Polypropylene || Melts, doesn't cut cleanly
|-
| Polystyrene / Styrofoam || Catches fire, toxic fumes
|-
| Fiberglass || Toxic fumes
|-
| Carbon Fiber || Toxic fumes, fire risk
|-
| Chrome-tanned Leather || Contains chromium - toxic
|-
| Coated/Treated Wood || Unknown chemicals, toxic fumes
|-
| Anything with unknown composition || Always verify material first
|}
 
=== Fire Safety ===
* Keep a fire extinguisher (CO2 or ABC) within arm's reach
* Fire blanket should be available
* If fire occurs: STOP laser, keep lid closed if small, use extinguisher if needed
* Never use water on electrical fires
 
=== Operating Procedures ===
# Complete mandatory training before use
# Sign in on the log sheet
# Verify ventilation is running
# Check material against approved list
# Set appropriate power/speed settings
# Stay present during entire operation
# Allow material to cool before removing
# Clean bed and remove scraps
# Sign out on log sheet
 
=== Emergency Procedures ===
* Emergency stop button location: ''Red/Black 80W CO2 Laser — E-Stop is located near the LCD panel''
* Fire extinguisher location: ''Left of the Red/Black 80W CO2 Laser''
* Fire suppression blanket location: ''Left of the Red/Black 80W CO2 Laser, on the East Wall''
* First aid kit location: ''Near the bathroom''
* Emergency contact: ''Chris Kaminsky — [tel:6168027088 616-802-7088] — [mailto:chris@grandrivermakerspace.org chris@grandrivermakerspace.org]''
* In case of fire that cannot be controlled, evacuate immediately and call 911

Revision as of 11:35, 8 May 2026

Laser Cutting & Engraving Area

⚠️ LASER SAFETY GLASSES REQUIRED WHEN MACHINE IS OPERATING ⚠️

⚠️ NEVER LEAVE LASER UNATTENDED WHILE RUNNING ⚠️


Laser Machines

  • CO2 Lasers — Best for cutting and engraving non-metals (wood, acrylic, leather, fabric, paper, anodized aluminum, and more).
    • OMTech 80W CO2 Laser (Red/Black) — Primary workhorse machine; fully operational.
    • 130W CO2 Laser — Larger 4ft x 3ft bed; currently awaiting electrical hookup.
  • Noua 50W MOPA Fiber Laser — For metal marking, engraving, and color marking on stainless steel, titanium, brass, and copper. Also works on ceramics and stone. ⚠️ Use portable fume extractor near machine.
  • ComMarker Omni X 5W UV Laser — Ideal for engraving plastics, glass, and coated metals without heat damage. Great entry point for tumbler engraving with the R5 Rotary attachment. ⚠️ Use portable fume extractor near machine.
  • Diode Laser — Entry-level machine; good for light engraving on wood, leather, and some plastics. Lower power than CO2.

Equipment

Laser Machines

Item Model Specifications Safety Training Required Owner's Manual & Resources
CO2 Laser (80W) OMTech 80W 80W, 28" x 20" (500mm x 700mm) bed; autofocus currently disabled (pending repair) Yes — Mandatory User Manual
CO2 Laser (130W) 130W CO2 Laser 130W, 4ft x 3ft (1219mm x 914mm) bed; autofocus status unknown

⚠️ Currently awaiting electrical hookup — not yet operational
Yes — Mandatory
MOPA Fiber Laser Noua 50W MOPA 50W; bed size varies by lens:
• 254mm lens — 160mm x 160mm (6.3" x 6.3")
• 420mm lens — 400mm x 400mm (15.7" x 15.7")

⚠️ Use portable fume extractor near machine

Software: LightBurn Pro required (EZCad2 Galvo controller)
Yes — Mandatory Generic User Manual
Noua Product Page
UV Laser ComMarker Omni X 5W 5W UV (355nm); bed size varies by lens:
• 150mm lens — 150mm x 150mm — everyday workhorse for flat engraving and general work
• 70mm lens — 70mm x 70mm — 3D internal glass/crystal engraving and high precision work

⚠️ Use portable fume extractor near machine

Software: LightBurn Pro required, or use free ComMarker Studio on your own laptop
Yes — Mandatory User Manual
Omni X Product Page

Software note: All machines are compatible with LightBurn. The ComMarker Omni X also supports ComMarker Studio — free to download and use on your own laptop.

Support Equipment

Item Model Specifications Notes Safety Training Required Owner's Manual
Fume Extractor Generic portable fume extractor HEPA filtration ⚠️ Required when using the Fiber Laser or UV Laser unti