Difference between revisions of "Laser Cutter"

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[[File:LaserCutter Safety.png|right|text-top|400px]]  
[[File:LaserCutter Safety.png|right|text-top|400px]]  
'''General Specs'''
'''General Specs'''
* It is a 40 watt laser
* x
* x
* y
* y

Revision as of 11:32, 14 April 2018

Back to list of Equipment

  • Owner/Loaner: The Maker Station (Donated by: the good people at BuildYourCNC.com)
  • Serial Number: Prototype
  • Make/Model: Blacktooth Laser Cutter Engraver
  • Arrival Date: When mid 2015
  • Usability: Restricted Usage/Training Required
  • Contact: Mike Ross
  • Where: Back shop near the roll up door


General Description space...

LaserCutter Safety.png

General Specs

  • It is a 40 watt laser
  • x
  • y
  • z


  • Restricted Access - TRAINING REQUIRED
  • Treat equipment as if it were your own and put away as or better than you found it.


  • DO NOT cut material containing chlorine atoms or molecules
  • How to test unknown plastics to see if they contain chlorine: https://vimeo.com/1615418

Basic Instructions

Powering Up

  1. Remove dust cover and make sure area is free of obstructions both inside the laser cutter and in the surrounding area.
  2. Plug in and turn on the powerstrip behind the laser cutter
  3. Make sure the water pump is running, that water is flowing through through the feeder tubes to the laser, and that there are NO leaks!
  4. Power up the computer running the CAM software
  5. Plug in the USB connection to the controller board on the side of the laser cutter
  6. Turn on the Motor Controller switch on the side of the laser cutter
  7. Turn on the Laser Cutter switch on the side of the box to power the laser.
  8. Make sure the "puffer" pump and the exhaust fan is running.
  9. To disperse any fumes or smoke, extend the vent hose to exhaust outside underneath the roll-up door.

Test Alignment and Focus

  1. Launch the "CNC USB Controller" application from the desktop
  2. You can use the X and Y inputs in the application to jog the laser head to the appropriate position. (there is an alignment cutout placed inside the laser cutter that basically shows the zero reference point)
  3. It is recommended to perform a straight line cut on an angled block to determine the proper height of material for the best focus. (Z is not easily adjustable, so shimming material is the current method.)
    1. (Add link to sample gcode to cut test line)
  4. Shim your material to the property height as determined by the previous step
  5. Perform test cuts on your desired material and adjust power setting (potentiometer on side of laser cutter box) to find appropriate levels. (Less is better, try to find the minimum power that will make sufficient cuts to reduce burning)


  1. Launch the "CNC USB Controller" application from the desktop
  2. Import your GCODE for your desired cut.
  3. NOTE Make sure you do not have any G28 commands in your gcode!! This will home the laser which will include the Z-axis. On this cutter, moving the Z axis DOWN will fire the laser. Moving Z axis UP will turn off the laser.
  4. Jog the laser to the appropriate position on your material relative to your model to be cut and set the new zero point with the appropriate left toolbar button.
  5. DO NOT HIT "Go to Zero"! See above.
  6. Hit the play button to execute your gcode


If your material starts to burn, stop the processing, and immediately extinguish the flames.

  1. If the gcode is running, hit the Stop button TWICE!
  2. If the laser is on, jog the Z axis up, to turn it off
  3. If the laser is still on, turn off the Laser switch on the side of the laser cutter box

Advanced Operational Knowledge

There are some more advanced tasks that not everyone needs to know to do XXXXX, but needs to know to troubleshoot:

  1. Autodesk Fusion laser Cutter(Water jet mode) primer: http://fusion360.autodesk.com/learning/learning.html?guid=GUID-C14B9F20-3A39-4930-971E-BDFE268384B9


  • Keep loose hair and sleeves away from all moving parts.
  • Beware of hot parts.
  • Beware of dust, fumes, choking hazards.
  • Never leave machine unattended


  • Do not stare at the laser, it is very bright and can damage your vision
  • Do not operate the laser with the lid open
  • Do not look through any cutouts or openings at the firing laser. It can damage your vision.
  • Make sure the exhaust is vented as appropriate for the materials you are cutting.
  • If you are cutting plastics, make sure you understand what exhaust gases will be produced. (Some are toxic!!)
  • Never leave the laser cutter operating unattended for any reason! EVER! This poses a very real fire hazard and should be monitored at all times.