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Intermediate Makersl Msl-10 Co2 Laser Flow Meter

  • Machine Type:
    Other Machine
    Machine Time:
    Various, total fabrication time about two hours
    Bit or Laser Size:
    1/8" Single Flute End Mill
    Feeds & Speeds:
    Sorry, it's been too long to remember :-(
    Body: HDPE, Cover: 4mm Acrylic Sheet, Gasket: Craft Foam (Walmart), Spinner: ABS Filament
    I designed this for my Gen-4 Full Spectrum Hobby Laser. I wanted to be able to monitor coolant flow and didn't like the larger version sold on the likes of Amazon. This pretty compact, and uses pretty standard "maker" tools and materials. I think it could all be 3D Printed even though I CNC Machined the body (two setups). It was a quick little project only taking a couple hours to complete. The barbs for the two coolant connections are press if plastic double barbs, I believe they were Ø0.250". Make the two holes the size required to press in one side of the barb, leave the inside portion long as it can be trimmed to fit the inside hole perfectly :)

    I have attached Step files, but would be happy to export into STL or whatever anyone might want!?!?

    Here's a short video of the working as well as a couple quick photos...

    Screen Shot 2017-04-25 at 9.08.08 PM.png

    IMG_4559.jpg Screen Shot 2017-04-25 at 9.08.08 PM.png

Attached Files:

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  1. Lee Whiteley

    Would it be possible to get these files in a .dxf type file? I'm guessing that these .step files are 3d files which I can't work with at least not right now. I'd like to accomplish this as my cnc router uses a water cooled spindle and it sure would be nice to see that water is circulating through the system.

    You sure do nice work btw!!


  2. George Allen
    If you get this and have the time and can provide insight, it could assist my next build:

    I am VERY tentatively sourcing out suppliers (Chinese mainly) for high powered laser cutting parts to determine the feasibility of successfully building a reliable laser cutting machine. I’m looking at primarily CO2 tubes and PSUs that can generate between 130 and 200 watts without breaking the bank. I’m expecting it to be a significant search, but I think it can be done with a fair amount of research. A fair number of suppliers exist in China for a variety of capacities. The biggest challenge is balancing cost with likelihood of success/reliability. Understandably, you are taking a risk by purchasing there, but you can still find quality parts there at costs unmatched in the US. But you have to do the proper leg work before making an informed purchase decision. Anyway, if you have any information about the capabilities of your laser, I’d appreciate it. Thanks.
  3. Morb
    you could use this flow meter on lots of things like water cooling a PC very cool!
      Sonny Lowe likes this.
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