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  • Author Author: dwinhold
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Laser safety is so important!!

dwinhold

Hello everyone,

 

I just wanted to show how laser safety is so important. I am bad for this myself as I was educated the old school way, safety is secondary. I have recently purchased a laser CNC. I have been following all safety procedures with its opperation. This morning I took pictures while running a program and realized how important safety glasses are. I couldn't imagine how much damage I would have done to my eyes in seconds without them. I posted photos of the laser with and without the safety filter glasses.

 

Without the filter:

 

image

 

image

 

image

 

With the filter:

 

image

 

image

 

And the ceiling reflection above the CNC:

 

image

 

This is a 5.5 watt laser. The temperature of the laser at full power is 842 degrees C.

 

Be safe everyone

 

Dale Winhold

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  • Hi Dale,

     

    Congrats on the purchase! Is there a way to prevent operation until the enclosure is sealed? I'm not sure safety glasses are sufficient (I'm not knowledgeable in this area).

    What I do remember, at uni, when we had to use a laser in an experiment (admittedly it was a lot more powerful, but even 5W is a lot as you say), the operator actually had a caged part of the room, so we had to walk out, and shut the door, and then the controls would be operated (i.e. the controls were on the other side of the door). I'm thinking maybe a CCTV setup (low-cost composite camera, and a car TFT display) could be used to remotely view it all.

  • in reply to shabaz

    When I took a laser cutting class at the community college we were told that we needed to stay in close proximity to the unit to mitigate possible fires as we were cutting wood.  I think most higher power commercial units all have safety enclosures and active ventilation.  I guess soon enough they will also have fire extinguishers integrated.  Maybe halon would work in this application.

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  • in reply to shabaz

    When I took a laser cutting class at the community college we were told that we needed to stay in close proximity to the unit to mitigate possible fires as we were cutting wood.  I think most higher power commercial units all have safety enclosures and active ventilation.  I guess soon enough they will also have fire extinguishers integrated.  Maybe halon would work in this application.

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