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Portable Diode Laser Cutter

Discussion in 'Laser Cutters' started by Rob Taylor, Feb 9, 2018.

  1. Rob Taylor

    Rob Taylor Veteran
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    Rob Taylor published a new build:

    Read more about this build...
     
  2. Rob Taylor

    Rob Taylor Veteran
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    Still a fair bit of work left to go, and a very long way behind schedule thanks to a variety of factors not really relating to the build itself, but I have enough "non-talking" content now to be reasonably happy actually publishing it. There'll be a ton of pictures added, full parts list including material stock, etc.

    Edit: thrown a temporary build image on there of the only somewhat-assembled photo I have thus far.
     
  3. Mark Carew

    Mark Carew OpenBuilds Team
    Staff Member Moderator Resident Builder Project Maker Builder

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    Well done Rob! This is a great build and I am really enjoying watching though the videos. Thank you for the share :thumbsup:
     
  4. Rob Taylor

    Rob Taylor Veteran
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    New video and pics in the build! This is a z-axis both with neither a travelling motor nor a protruding rail. Bit tricky, but I like the results and how compact they are to the gantry rail, minimal flapping around under acceleration (per video 1's requirements). I think it could potentially be transferred even to router builds, with the appropriate reinforcements and a fully-enclosed screw nut (best off with a flange-mounted ballscrew in this design, but anti-backlash ACME with thrust bearings in a U-bracket could work maybe).

    [​IMG]

    I know @RobSaunders and a couple others were looking at laser z-axis options while I was building this over in his thread, I don't know if this is useful or not, but just in case.

    Thanks man! I finally get to use those extra sticks of 4020 you sent me all these years later, hahaha. I did actually do the test they were for, and the results weren't super great. Joining them definitely isn't gonna happen without some serious support, not just a couple of double tee nuts. Even with a proper bracket, you need a perfect finish on the ends- milled, maybe a little lapping, and ideally no deburring, just razor edges, or the wheels pick up that slight little divot as they cross the line. Just a straight saw cut didn't even come close. So it's kinda tough to do, especially when you need to protect the ends whilst still moving around a portable project.

    I guess that makes this an "OpenBuilds sponsored build" though, hahah.
     
    #4 Rob Taylor, Feb 24, 2018
    Last edited: Feb 24, 2018
    RobSaunders and Mark Carew like this.
  5. RobSaunders

    RobSaunders Well-Known
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    Hey Rob that looks nice. I really love seeing other ideas. FYI I uploaded a video on my build page showing my Z-Axis in action when initiating the "Homing" cycle if your interested.
     
  6. Rob Taylor

    Rob Taylor Veteran
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    I saw that, looking good!

    Still working on the video, but I added some frame-building pics to the build. I've had a couple jobs come in, so I don't know how fast the rest of it will come together, Hopefully quickly, because I'm kinda looking forward to doing the grbl video!

    _MG_5073.jpg
     

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