1. Hey guyz. Welcome to the All New Phlatforum!



    Sign Up and take a look around. There are so many awesome new features.

    The Phlatforum is a place we can all hang out and

    have fun sharing our RC adventures!

  2. Dismiss Notice

My latest CNC

Discussion in 'General Talk Forum' started by marcomartim, Apr 18, 2014.

  1. marcomartim

    marcomartim Member

    Offline
    Messages:
    195
    Trophy Points:
    18
    Location:
    São Carlos - SP - Brasil
    My latest CNC , table 2000mm x 3000mm
    The Gcode test, was generated with SketchUcam (edited to include welding time)
    Will be used to weld inox chamber expansion of milk cooler
    Test with MIG welding
    Later, if all goes well, will probably be used Laser (Nd:YAG) beam welding (LBW)

    [​IMG]
     
    Last edited: Apr 18, 2014
  2. marcomartim

    marcomartim Member

    Offline
    Messages:
    195
    Trophy Points:
    18
    Location:
    São Carlos - SP - Brasil
    A short video test.

     
  3. TigerPilot

    TigerPilot Well-Known Member

    Offline
    Messages:
    1,578
    Trophy Points:
    48
    That is so cool, marco, and HUGE! :D
     
  4. marcomartim

    marcomartim Member

    Offline
    Messages:
    195
    Trophy Points:
    18
    Location:
    São Carlos - SP - Brasil
    Thank you!

    Unfortunately, there was a problem with the welding process
    Started welding as well; thereafter; stainless plate deformed and twisted, pushed away from each other and had to stop.

    I'll have to create a device which keeps the plates together
    Perhaps a system with rollers; but still do not know how I do ...
    My concern is a lot of pressure on the plates is necessary; and this may affect the axes (to stall the motors)
     
  5. 3DMON

    3DMON Moderator Staff Member

    Offline
    Messages:
    2,380
    Trophy Points:
    38
    Location:
    Sebastian, Florida
    Awesome!
     
  6. jonquinn

    jonquinn Member

    Offline
    Messages:
    49
    Trophy Points:
    6
    I don't know if your cross beam would support the opposing force, but what about some air cylinders that apply clamping pressure (maybe 4 points around the weld). Have a small foot pad on th end of each cyclinder and before the welder comes down the hold downs extend to apply pressure.
    Otherwise that is really cool.
     
  7. swarfer

    swarfer Moderator Staff Member

    Offline
    Messages:
    808
    Trophy Points:
    28
    Location:
    Grahamstown, South Africa
    how about changing the order of welding so that maybe every 5th weld is done for the whole sheet, to keep it together, and then the spots in between are done.
     
  8. marcomartim

    marcomartim Member

    Offline
    Messages:
    195
    Trophy Points:
    18
    Location:
    São Carlos - SP - Brasil
    swarfer;
    Every idea is welcome.
    This solution was designed, but it takes a long time (there plates with 1800mm)
    The welding is done manually (see blue trace on the plate) line by line with manual sheet metal bending machine, the reason to use the CNC to perform this work is to gain time and uniformity, it takes a long time is unfeasible .

    hugs
     
  9. marcomartim

    marcomartim Member

    Offline
    Messages:
    195
    Trophy Points:
    18
    Location:
    São Carlos - SP - Brasil
    jonquinn;
    Every idea is welcome.
    This solution was also designed, and is being considered.
    But the deformation on the plate is so great we would need a larger course on the Z axis and the force required to do this, the current mechanism does not support the Z axis, we would have to change everything.
    Also we can not overload the tabs of CNC (can break the screws).
    Another problem is that the ultimate goal is to weld with laser, so that the solder is not a point (such as MIG), has to be a circle, you need movement in X, Y.
    You can see the link the result we want
    youtu.be/CXpZNVrdSo4?t=4m20s

    hugs
     
    Last edited: Apr 21, 2014

Share This Page