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Mushu - Large Scale CoreXY

Discussion in '3D printers' started by Shortyski13, May 6, 2019.

Mushu - Large Scale CoreXY

Mushu - Large Scale CoreXY

Discussion in '3D printers' started by Shortyski13, May 6, 2019.

20x26x28 inch Build Volume CoreXY. Unlike many builds, I've decoupled the XY movements from the Z-Axis lead screws to help prevent Wobble, will be using linear guide rails, and mains powered bed heater, and a bed that is Allowed to thermally grow. This build is JUST narrow enough to fit through a standard sized doorway.

Large CoreXY Linear Guide Rails
  1. Shortyski13

    Shortyski13 New
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    Shortyski13 published a new build:

    Read more about this build...
     
    #1 Shortyski13, May 6, 2019
  2. Shortyski13

    Shortyski13 New
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    If reading this, please feel free to leave any comments or suggestions. I'm going to be ordering parts soon, but still can accommodate good ideas.
     
    #2 Shortyski13, May 6, 2019
  3. Shortyski13

    Shortyski13 New
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    Found a 2270mm long 10mm wide endless gt2 belt, so upgraded the Z-Axis from a 6mm wide belt.

    Most of the parts are on order. I'm hoping to get the rest on order next week. With a lot coming from China, it looks like I won't be able to start building until late June or early July.
     
    #3 Shortyski13, May 10, 2019
  4. checkeredBug

    checkeredBug New
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    Sorry for the late reply... I've been busy. I like the design, I'm not sure there's enough detail to outline that novel bed you have. If it has too much freedom it might translate on you (not sure). I bought linear vertical rails for mine. I will say I think you will need to bolt plastic to the sides to keep it from wobbling. I am having to either cross brace mine or get some metal sheeting for lateral stability. I notice it especially when I move in the Y (long axis) that the whole printer vibrates. I think you may need some more pictures as I couldn't tell exactly how the XY worked. Looks nice though.
     
    #4 checkeredBug, May 11, 2019
  5. Shortyski13

    Shortyski13 New
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    Yea im thinking of putting sheet metal or plexiglass on the sides, whichever comes up first on craigslist for free haha. That's a good point. Im unsure if i'll still need diagonal beams. And if not, I'm not too sure how to make a plexiglass door that is both easy to open/close and provides that stability you are talking about.
    Im also debating adding a BLtouch and trying to figure out the best way to mount a zesty nimble motor.
    Ill try to get more images of the bed at some point this weekend. Thanks for the suggestions!
     
    #5 Shortyski13, May 11, 2019
  6. Shortyski13

    Shortyski13 New
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    Ended up getting diamond plate aluminum for cheap from a local scrap yard. I Cut and drilled them for corner brackets and now just painted them. Most parts are in now so hopefully ill get more progress soon!

    Corner brackets
     
    #6 Shortyski13, Jun 22, 2019

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