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Dragon too Plasma cutter Mods (MetalGuru idea)

Discussion in 'Laser Cutters' started by mytechno3d, Apr 26, 2017.

  1. mytechno3d

    mytechno3d Master
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    mytechno3d published a new build:

    Read more about this build...
     
    stargeezer likes this.
  2. mytechno3d

    mytechno3d Master
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    First move were done , i will upload some video in few days
     
  3. Simas Razinskas

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    Hi, excellent build. Where can I find plasma cutters and how to pick one?
     
  4. Oz_Dave

    Oz_Dave New
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    Hi,
    I have taken an interest in your build and think the idea is great. I have an under utilized plasma cutter and thought this would be great for some light fabrication.
    Have you got it finished and working?

    How are the feed rates with acme screws? I thought the rate needed for Plasma would be too fast for them.
    Would rack & pinion would be more suited to a plasma cutter. What are your thoughts.

    So many questions..
    regards
    Dave
     
  5. Gandes

    Gandes New
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    Light fabrication need some better equipment but good luck and find the cheapest one
     
  6. ericoneill

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    WERE DO I BUY THE PARTS TO BUILD THE TABLE SETUP
     
  7. mytechno3d

    mytechno3d Master
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    Hello
    All parts came from www.vslot-europe.com
    This is project is still a work in progress ( i've to much work to do right know to go faster :( )
    If you need the specific plates to make this build , i can send you dxf files or cut them for you in aluminium 5mm for a good price .

    Regards
    Michael
     
  8. ericoneill

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    Micheal if you could send us the file that be great and the sizse of the aluminium lengths and bearings needed I try build one the same thanks
     
  9. mytechno3d

    mytechno3d Master
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    I have some time to spent , so i come back to this project .
    It's now alive ... it move :)
    I will try to make some plasma cutting this week .
     
  10. mytechno3d

    mytechno3d Master
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    First cut was finaly done yesterday , all works fine at the first cut , i'm pretty pround of that :)
    This Dragon plasma cutting table is not so fast as my ox cnc plasma cutting table because i use leadscrew instead gt3 belt but its main advantage is to be easily transportable and to be able to put the steel sheets in place on 3 sides
    Max speed : 1.2m /mn
     
    Rick 2.0 and GrayUK like this.
  11. GrayUK

    GrayUK Openbuilds Team Elder
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  12. Bill Wilson

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    @mytechno3d - You have put together a nice solution. I am going to try to duplicate it in my spare time. Did you share the .dxf files you mentioned earlier? If possible, I would like to have them them also...it will save me a lot of time to use already proven models! :)
     
  13. mytechno3d

    mytechno3d Master
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    Hello
    I just uploaded the specific plates needed for this build .
    There is 2 plates for the floating head , 4 plates to build arch , 2 plates to build the X/Y system , all other plates are standard openbuilds plates .
    Just tell me if you need specific pictures .
    I also have solidworks files if needed .
     
    GrayUK likes this.
  14. Brandon Mathews

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    Do you have a list of components used? I'm trying to make my shopping list! Also is there a reason for using the plates on both sides of the rails?

    Cheers
    Brandon
     
  15. mytechno3d

    mytechno3d Master
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    Hello , the Bom is almost done , i just have to count all screws ... ( no the easyest thing to do ;-) )
    I think it should be done this afternoon ( Paris time )
     
  16. mytechno3d

    mytechno3d Master
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    I uploaded BOM , it's still a BOM in progress because i am still counting all screws ... but screws apart it seems good .
    I also have to check the length of the 2060 rails .
     
  17. MTO

    MTO Veteran
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    would you mind posting more detail about the head? I'm not seeing how it works, beyond it being in two parts. From the video , you're obviously bottoming the z-axis, then backing off, but its not clear how it all goes together.
     
  18. mytechno3d

    mytechno3d Master
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    Hello
    There is 2 parts for this floating head.
    One part is motorized with a nema 17 ( Z axis like on a CNC ) and the second part who handle the plasma torch .
    The second part is free to move .
    The probing is done with gcode ( post processor in fact ) , i ask to go down for 100mm , when the torch is on the metal sheet , the second part goes up until the probing switch is triggered .
    I know the offset between the switch and my torch , so i know that when the switch is hit , i have to go up for XX mm (9mm in my case ) and my Z zero is done.
    Excuse my poor english , i will post a video tomorrow to explain the process , i think it will be more clear .
     
  19. mytechno3d

    mytechno3d Master
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    i think that BOM is now complete .
    Just let me know if you find some errors on it .
     
  20. mytechno3d

    mytechno3d Master
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    If it can help , this is a solidworks picture of the floating head assembly zf1.png zf2.png
     

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