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Discussion in '3D printers' started by Aleksandar, Dec 7, 2016.

  1. Aleksandar

    Aleksandar Well-Known
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    Aleksandar published a new build:

    Read more about this build...
     
  2. BeTrue3D

    BeTrue3D Well-Known
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    Looking very nice. Pretty much identical with what I have planned. Functionally at least.
    Where do you get your metal parts machined?

    Also, why use old electronics? You get some real life limitations on your build, by building on dated 8bit controller.

    If you buy Duet WiFi you also get rid of the RaspBerry as it has build in dedicated webserver with direct true serial communication with the controller, instead of USB as raspberry has. Considering price for Rapsberry the Duet WiFi isn't that much more expensive in most cases. Especially considering the awesome drivers you also get :)

    If Duet WiFi is too expensive you might want to look at the 32bit MKS Sbase with smoothieware instead of the 8bit marlin.
     
    Aleksandar likes this.
  3. Aleksandar

    Aleksandar Well-Known
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    Hello BeTrue3D,

    I was reconsidering electronics and MKS might be the way to go.

    Just started printing some parts and Alu machining will be done by myself as I have CNC router too. Built and designed by myself.
     
  4. BeTrue3D

    BeTrue3D Well-Known
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    Wow, lucky you, no wonder you can use fancy very nice brackets and such :)

    You shouldn't happen to live in the EU and be interested in machining my z-lift plate?

    I have my build over here, if interested: BeTrue3D Printer

    Regards,
    Morten Nielsen
    Denmark
     
  5. Aleksandar

    Aleksandar Well-Known
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    Hello Morten,

    I live in Croatia and can make your plate if it will fit on 280x500 working area.
    I'll do mine in waterjet as it is not expensive and they provide material which is an issue over here as I can buy 1x1m only.
    For my brackets I have some rest pieces but I am waiting for some warmer days as it is around 0 in my basement.

    Anyway send me dxf or similar and I can check for you.
     
  6. BeTrue3D

    BeTrue3D Well-Known
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    Hello Aleksander.
    I've uploaded .dwg file. It will do? Included .pdf for good measure.
    It is 260 x 427 at the longest/widest points.
     

    Attached Files:

  7. Aleksandar

    Aleksandar Well-Known
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    Hello Morten,

    It looks ok. Size is fine.
    What thickness did you plan for this plate so I can start looking around?
    Any weight reduction holes/shapes in the plate?
     
  8. BeTrue3D

    BeTrue3D Well-Known
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    I thought 3mm if it's steel. I don't know how thick it should be if it is aluminium? It must not bend.

    I thought about making some holes for weight reduction, but I wouldn't know how to calculate how that would affect the strength of the plate. Would be bad to make it light and then have it bend.

    Any thoughts?
     
  9. Aleksandar

    Aleksandar Well-Known
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    I would go with 6mm Alu and holes/shapes.
    Don't bother too much it will be strong enough for 3D printer as weight of 3D print is low and is sliding up/down only.
    What about working plate? Alu or something else?
     
  10. BeTrue3D

    BeTrue3D Well-Known
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    I am ordering workingplate from clever3d.de - It's going to be a black PEI-coated aluminium plate with lasered "logo" on the front edge.
    It's going to be 5mm thick.
    Have you looked if you had material to cut the plate? Asking as the people from clever3d.de can make the plate, but it's rather expensive :)
     
  11. Aleksandar

    Aleksandar Well-Known
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    Hello Morten,

    I'll check today about plate.

    How much is PEI coated plate. I need 400x400mm.;)
     
  12. Aleksandar

    Aleksandar Well-Known
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    Just c
    Just checked 410x410x8mm without PEI is 140Euro.:jawdrop:
     
  13. BeTrue3D

    BeTrue3D Well-Known
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    Than
    Thanks :)
    Price depends on size and also aa lot on color. They don't have 400x400 in their list, but make custom sizes, like mine.
    A 410x410 is going to be 8mm (mine is just 5mm) and is going to cost €140
    You can look at it at their shop - I have nothing to do with them.
    It's the size that kills the prize. A bed for ultimaker is €50. But maybe you could buy a 1 or 2mm thick PEI sheet instead and clip it on using clips instead of having to use tape with the much thinner PEI sheets.
     
  14. BeTrue3D

    BeTrue3D Well-Known
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    No, that is with PEI
     

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  15. Aleksandar

    Aleksandar Well-Known
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    I have asked for price and 1m2 6mm thickness is almost 100Euro which is more than 6M ago as they claim it has gone up worldwide.:(
    Check locally and waterjet cut it. I did it in the past for many parts and it is great and not expensive.
     
  16. Aleksandar

    Aleksandar Well-Known
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    20170226_103136.jpg 20170226_103143.jpg 20170226_103149.jpg 20170226_103157.jpg 20170226_103204.jpg Capture.JPG Capture2.JPG

    Got some time as per above proof and did a redesign and decided to go with Alu parts instead of printed.
    It is smooth in movement.
    Cubes for corners also machined from Alu but no time to fit yet.
     

    Attached Files:

    #16 Aleksandar, Mar 9, 2017
    Last edited: Mar 9, 2017
  17. ChuckWheat

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    i hate to be a bother, but are there any updates to this project? I'm thinking of building a printer for my university and this model would be perfect. Thanks :)
     
  18. Aleksandar

    Aleksandar Well-Known
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    Sure
    Sure see above pics.
     
  19. fernando palacio edreira

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  20. Aleksandar

    Aleksandar Well-Known
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    Thanks Fernando!!
     
  21. Thirkell

    Thirkell New
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    Is there any chance you could share your CAD. This really looks really well thought out. I am very impressed. Well done!
    The CNC must help alot
     
  22. Aleksandar

    Aleksandar Well-Known
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    Hello Thirkell,

    I am now opting for different z axis drive with one motor belt and 2 Tr screws. Once done and tested I'll publish all.
     
  23. Thirkell

    Thirkell New
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    Many thanks!
     

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