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Laser Cutter/Instructions: Difference between revisions

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*** Please be aware that the software stop button has on at least two occasions had the unfortunate effect of moving the laser back to the start position while it was still on, leaving unwanted lines cut into the material.
*** Please be aware that the software stop button has on at least two occasions had the unfortunate effect of moving the laser back to the start position while it was still on, leaving unwanted lines cut into the material.
*** For any fires, or issues where the head has moved outside the cutting area, place an "Out of Order" sign on the machine and contact the [[Mailing List]].
*** For any fires, or issues where the head has moved outside the cutting area, place an "Out of Order" sign on the machine and contact the [[Mailing List]].
* '''TODO''' What to try if the result is not what you expect
* '''.''' What to try if the result is not what you expect


When cutting flammable materials (or non-flammable materials which happen to emit gases which are flammable when cut) or materials with a thin oil/wax film - be prepared for fires or small flames. While not common - it does happen occasionally and should not be cause for panic. When it happens - press the stop button and use a small gentle blast of CO2 fire extinguisher to douse it. There is no need to get very close to the fire - generally the box 'fills' up with the CO2 gas which is heavier than air - esp. when things are not yet hot. Note this in the logbook (both so we can replace the CO2 and because of soot on the lens).  Don't forget to report any fire to the [[Mailing List]].
When cutting flammable materials (or non-flammable materials which happen to emit gases which are flammable when cut) or materials with a thin oil/wax film - be prepared for fires or small flames. While not common - it does happen occasionally and should not be cause for panic. When it happens - press the stop button and use a small gentle blast of CO2 fire extinguisher to douse it. There is no need to get very close to the fire - generally the box 'fills' up with the CO2 gas which is heavier than air - esp. when things are not yet hot. Note this in the logbook (both so we can replace the CO2 and because of soot on the lens).  Don't forget to report any fire to the [[Mailing List]].
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