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Fire Safety
Laser cutting and engraving systems represent a significant fire hazard due to the extremely
high temperatures generated by the laser beam. While the objective of most cutting and
engraving operations is to vaporize material without burning, most materials capable of being
cut or engraved are inherently combustible and can easily ignite. Usually this is a small flame
of burning material issuing from the cut zone which self extinguishes due to the air assist or
de-powering of the beam. However, it is possible for the flame to propagate and set fire to the
machine and threaten its surroundings.
Experience shows that vector cutting with the laser has the most potential to create an open
flame. Acrylic in all its different forms has been shown to be especially flammable when vector
cutting with the laser. Please also be aware that stacking materials (especially organic
materials such as paper) can lead to increased risk of flame propagation or work piece ignition.
Please read the following warnings and recommendations and follow them closely at all times!
NEVER
leave the laser system unattended during operation.
KEEP
the area around the machine clean and free of clutter, combustible materials,
explosives, or volatile solvents such as acetone, alcohol, or gasoline.
ALWAYS
keep a properly maintained and inspected fire extinguisher on hand. FSLaser
recommends a Carbon Dioxide fire extinguisher or a multi-purpose dry chemical fire
extinguisher. Carbon Dioxide extinguishers are more expensive than a dry chemical,
but offer certain advantages should you ever need to use an extinguisher. The Carbon
Dioxide extinguisher discharges a clean, easily removable substance that is not harmful
to the mechanics or wiring of the laser system. The dry chemical extinguisher
discharges a sticky, corrosive powder that is very difficult to clean up.
ALWAYS
use air assist when vector cutting.
BE CAREFUL
when vector cutting. Many materials have the potential to burst
suddenly into flames – even materials that may be very familiar to the user. Always
monitor the machine when it is operating.
KEEP YOUR LASER SYSTEM CLEAN
– A build up of cutting and engraving residue and
debris is dangerous and can create a fire hazard. Keep your laser system clean and free of
debris. Regularly remove the cutting grid to clean any small pieces that have gotten stuck or
fallen through.
