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Plasma cutting table

Discussion in 'Laser Cutters' started by mytechno3d, Jun 9, 2016.

Plasma cutting table

Plasma cutting table

Discussion in 'Laser Cutters' started by mytechno3d, Jun 9, 2016.

This is our plasma cutting table , based on the famous OX CNC . Can cut up to 15 mm ( steel , stainless , aluminium ) with a really good accuracy and at a really high speed .

plasma cutting table vslot europe cnc OX CNC
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  1. mytechno3d

    mytechno3d Veteran
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    mytechno3d published a new build:

    Read more about this build...
     
    #1 mytechno3d, Jun 9, 2016
    Just Fish Metal Art likes this.
  2. Mark Carew

    Mark Carew OpenBuilds Team
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    This is great @mytechno3d can't wait to see more! I really like the floating Z head concept, nice Build :thumbsup:
    BTW I have to ask, what would it take to get that V-Slot plate? We have a display shelf here at OpenBuild HQ for OpenBuilds 1st and this would look great on there.
     
    #2 Mark Carew, Jun 9, 2016
  3. mytechno3d

    mytechno3d Veteran
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    Hello , i can send it to you for the price of the shipping cost.
    Perhaps do you prefer a plate with your openbuilds signs ?
     
    #3 mytechno3d, Jun 10, 2016
    Mark Carew likes this.
  4. mytechno3d

    mytechno3d Veteran
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    Water pan is really helpfull on this build ,it absorbs the toxic fumes and splash molten steel
     
    #4 mytechno3d, Jun 17, 2016
  5. Mark Carew

    Mark Carew OpenBuilds Team
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    @mytechno3d That's great news! Which ever you choose but I do like the idea of the OpenBuilds logo too that would look cool! we will be more then happy to pay any shipping charges. It will be displayed proudly at OpenBuilds HQ and we thank you. :thumbsup:
    Please let us know the final cost http://support.openbuilds.com/support/home and will take care of it.
     
    #5 Mark Carew, Jun 17, 2016
  6. pizzaman85

    pizzaman85 New
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    that is a really great looking machine, will there be any design file for this build
     
    #6 pizzaman85, Jun 18, 2016
  7. mytechno3d

    mytechno3d Veteran
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    Hello Pizzaman85 , yes i will post specifics files for this build . I' m started today with "bent blade comb.dxf " ( sorry , maybe it is not the right name but my english is a bit limited ;) )
     
    #7 mytechno3d, Jun 20, 2016
  8. pizzaman85

    pizzaman85 New
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    Thank You. Cant wait to see them.
     
    #8 pizzaman85, Jul 1, 2016
  9. mytechno3d

    mytechno3d Veteran
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    Hello Mark , your Openbuilds sign is ready :) , i will paint it and send it to you .
    You can see the cut here :
     
    #9 mytechno3d, Jul 2, 2016
    gwandad, eddiejr and Mark Carew like this.
  10. Mark Carew

    Mark Carew OpenBuilds Team
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    You rock bro! This is so cool to watch cut. Thank you :thumbsup:
     
    #10 Mark Carew, Jul 3, 2016
  11. carbonlife

    carbonlife New
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    I love this build, would you happen to have a BOM for this project? Thank you! And thanks for sharing this :)

    Steve
     
    #11 carbonlife, Jul 4, 2016
  12. silopolis

    silopolis New
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    Splendid build !
    Can't wait to study the design and BoM...
     
    #12 silopolis, Jul 7, 2016
  13. slm222

    slm222 New
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    during the cut, im assuming the reason for the floating torch holder, does the plasma torch tip ride on the piece of metal? it has been some years since I used one. does the torch need to stay in contact with the cutting material or does it need to be slightly above the material? sorry my brain is fried, so the wording of my question may not be clear.
     
    #13 slm222, Jul 11, 2016
  14. Kyo

    Kyo Veteran
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    Not being familiar with plasma, I to would like to learn more about the floating head.
     
    #14 Kyo, Jul 11, 2016
  15. ghostmaker1

    ghostmaker1 New
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    This might be the coolest project I've seen for quite a while! Nice work sir! I look forward to more postings (as there is a plasma cutter somewhere in my future).
     
    #15 ghostmaker1, Jul 12, 2016
  16. Jan Hoekstra

    Jan Hoekstra New
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    first of all, you made a very nice machine! I 'm working on a similar machine. So, I'm curious about what software are you using?
     
    #16 Jan Hoekstra, Aug 5, 2016
  17. mytechno3d

    mytechno3d Veteran
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    Hello
    Sorry for my late answer ...
    The only reason of the floating torch holder is to set 0 on Z axis , you activate the endstop and go up for xx mm ( depend of the position of your endstop ) , this way your torch is just on metal sheet regardless of thickness .
    During cutting operation , torch is around 1.5 mm above the metal sheet .
    The cutting distance is very important for the quality of your cut .
     
    #17 mytechno3d, Aug 5, 2016
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  18. mytechno3d

    mytechno3d Veteran
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    Hello
    I use autocad ( or other like illustrator , skecthup .. ) to create parts , sheetcam to create g-code ans mach3 to control the machine .
     
    #18 mytechno3d, Aug 5, 2016
  19. slm222

    slm222 New
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    Great info. With that software can you account for the plasma path to cut on the inside or outside of the design respectively?
     
    #19 slm222, Aug 5, 2016
    Last edited: Aug 5, 2016
  20. mytechno3d

    mytechno3d Veteran
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    This is done with Sheetcam , you can define "inside" , "outside" or "on" the path , just like Vectrics or cambam
     
    #20 mytechno3d, Aug 6, 2016
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  21. petere101

    petere101 New
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    My first machine is going to be plasma. I'm half way through the BOM for a complete custom build. I'm a bit lost as to how to connect a THC to the plasma voltage if there is no connections brought out. Can anybody help?
    Thanks

    Pete
     
    #21 petere101, Aug 6, 2016
  22. mytechno3d

    mytechno3d Veteran
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    Hello
    It really depend of the brand of your plasma .
    On mine , there is 2 way to do the THC connection .
    1 / using a plug on the back side of my hyperterm .( with 1/50 scale )
    2 / Directly on the row voltage of the arc

    I try both , i had some trouble with de 1/50 divider ( voltage was not correct ) so i 'm now using the raw valu of the arc and it is much better .
    I'm using a low cost THC , a Proma THC SD
    [​IMG]
    [​IMG]
    [​IMG]
    I hope that can help you
     
    #22 mytechno3d, Aug 8, 2016
  23. petere101

    petere101 New
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    Thankyou for your very concise reply!

    In the diagram above, the direct connection is to the 2 outer points of the Proma. Obviously, the main cables still go to the torch head. So, how do you get the 2 extra wires inside the connection? Is there an adapter that screws in between? Or, do you cut back a bit of the screen off the cables?

    Thanks
    Pete
     
    #23 petere101, Aug 8, 2016
  24. mytechno3d

    mytechno3d Veteran
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    It really depend of your plasma . On mine i had to drill the enclosure and make a connection on the electronic board .
     
    #24 mytechno3d, Aug 9, 2016
  25. petere101

    petere101 New
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    Thanks.
    Can I ask for some more info?
    What software and controller do you recommend for plasma cutting with THC?

    I've just been reading the cs-lab.eu website, and that stuff is impressive. You're both in the EU, have you tested this stuff?

    Pete
     
    #25 petere101, Aug 9, 2016
  26. Recklessford

    Recklessford New
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    What kind of accuracy have you been seeing? +/-
     
    #26 Recklessford, Aug 25, 2016
  27. Mark Carew

    Mark Carew OpenBuilds Team
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    Props go out to @mytechno3d for sending us this super awesome plasma cut OpenBuilds Logo!
    This is going on the shelf of first :thumbsup:
    Thank you!
    OpenBuilds Plasma Cut.jpg
     
    #27 Mark Carew, Aug 25, 2016
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  28. mytechno3d

    mytechno3d Veteran
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    Than you mark for this nice picture . :thumbsup:
     
    #28 mytechno3d, Aug 26, 2016
  29. mytechno3d

    mytechno3d Veteran
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    It depends of the thickness of the metal sheet .
    I usually get an accuracy between 0.4 mm and 0.8mm
     
    #29 mytechno3d, Aug 26, 2016
  30. Redneck darrell

    Redneck darrell New
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    Sorry I'm new here but confused what is a THC ? I'm looking at a plasma build and I can't figure out how to wire the plasma to the cnc. Great build I'm impressed.
     
    #30 Redneck darrell, Sep 6, 2016
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