Laser Shielding Box

So a couple weekends ago after playing with my new laser all day Saturday, my eyeballs hurt all day Sunday.  (Slight exaggeration, but still…)   I have multiple pairs of laser shielding glasses, but the new laser is so bright.  At one point I was wearing two pairs of laser safety glasses on my face and it was still super bright, and I looked like a super weirdo.  I was trying to focus the laser for a piece of wood of a different height so it was a long time of staring at a dot and it started to bother me.

To accommodate this, I thought to make a box with laser shielding.  So I set about making a relatively simple box to house my newly upgraded laser engraver.  I wanted to recess the laser shielding into the top and front of an enclosure to protect my eyes.  I measured the dimensions I needed and I made a super simple box.  The only thing that turned atypical was adding a hinge to flip the top and front open to access the laser.  Instead of using four pieces and fully recessing the acrylic into the center of the piece like I did on the heated build chamber, I only recessed it into the top so I had one continuous piece for the front and the top.

I added a lid support for the lid, but I don’t really like it.  I had a really hard time getting the dimensions right and screw broke and it all turned into a big mess, but it still works.

Laser Shield Open

As always, I added LEDs.  I’m an Electrical Engineer after all; I’m morally and ethically obligated to add them.  Haha.

Another feature I added was two venting fans.  I plan on adding a filter, but for some reason I’ve been neglecting that still for both this enclosure and the heated build chamber.  When you don’t use a venting fan you get a weird smudge on your piece next to whatever it is you’re lasering.

So far I can’t say enough how happy I am with it.  I can comfortably check on the print and I’m not smudging on the prints.  Couple last pictures:

 

Let me know what you think.

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