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Thread: MDF Madness

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  1. #1
    Join Date
    Mar 2012
    Posts
    276

    MDF Madness

    My current build.
    Attached Thumbnails Attached Thumbnails DSC02146.jpg   DSC02149.jpg   DSC02152.jpg   DSC02154.jpg  

    DSC02155.jpg   DSC02157.jpg  

  2. #2
    Join Date
    Mar 2012
    Posts
    276
    More pics.
    Attached Thumbnails Attached Thumbnails DSC02160.JPG   DSC02162.JPG   DSC02164.JPG   DSC02166.JPG  


  3. #3
    Join Date
    Mar 2012
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    276
    Painted.
    Attached Thumbnails Attached Thumbnails DSC02193.jpg  

  4. #4
    Join Date
    Jun 2008
    Posts
    203
    Looking good man! I dig the color scheme! Looks like you were careful to buy some excellent components. Once you have your cnc working, you will most likely start dreaming up another bigger cnc. Most of that hardware will be transferable. How did you seal the MDF before you painted it?

    Keep going!

    :cheers:

  5. #5
    Join Date
    Mar 2012
    Posts
    276
    Quote Originally Posted by Grunblau View Post
    How did you seal the MDF before you painted it?
    I didnt seal it. Someone told me I should have applied wood hardener on it first but it was too late. Do you think I will have issues?

  6. #6
    Join Date
    Jun 2008
    Posts
    203
    Quote Originally Posted by r00t4rd3d View Post
    I didnt seal it. Someone told me I should have applied wood hardener on it first but it was too late. Do you think I will have issues?
    The quality of the finish made me think you sealed it. I can't imagine there will be any issues from not sealing it before painting-just harder to get a good finish. When I sealed my MDF with Polyurethane, I was shocked at how rigid the MDF got.

  7. #7
    Join Date
    Mar 2012
    Posts
    276
    Two motors mounted and some lead screw connections.
    Attached Thumbnails Attached Thumbnails fISG2.jpg  

  8. #8
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    Mar 2012
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    276

  9. #9
    Join Date
    Mar 2012
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    276
    Closer.....
    Attached Thumbnails Attached Thumbnails IMG_1638.JPG   IMG_1639.JPG  

  10. #10
    Join Date
    Aug 2011
    Posts
    0
    Looks good - what is the footprint of the unit and are you following someones plans or is this your own design?

  11. #11
    Join Date
    Mar 2012
    Posts
    276
    Quote Originally Posted by Garage Elf View Post
    Looks good - what is the footprint of the unit and are you following someones plans or is this your own design?

    My cutting area will be roughly 12x36. I am not following any plans just getting inspiration and ideas from Google Image searching. I really have no clue what I am doing

  12. #12
    Join Date
    Mar 2012
    Posts
    276
    Z Axis complete.
    Attached Thumbnails Attached Thumbnails VW93b.jpg  

  13. #13
    Join Date
    Mar 2012
    Posts
    276
    I got my motor extensions soldered on today. Slow week
    Attached Thumbnails Attached Thumbnails mgtPZ.jpg  

  14. #14
    Join Date
    Jun 2010
    Posts
    178
    Nice build! What CAD/CAM software are you going to use? MACH3? EMC? What are you planning on cutting first? Cheers!

  15. #15
    Join Date
    Mar 2012
    Posts
    276
    Quote Originally Posted by lukewarm View Post
    Nice build! What CAD/CAM software are you going to use? MACH3? EMC? What are you planning on cutting first? Cheers!
    I am going to try LinuxCNC(EMC2) for starters. I have no idea what I am going to cut first. Its my first build so I am still hoping the thing is just going to work.

  16. #16
    Join Date
    Jun 2010
    Posts
    178
    I recommend EMC2, it's what we use and it is amazing. I got on a shopbot and the interface was so clunky compared to EMC, I just could not stand it.

  17. #17
    Join Date
    Mar 2012
    Posts
    276
    Another slow few days but I got the end connectors on the motor leads and the wire chain on the z axis.
    Attached Thumbnails Attached Thumbnails iBbjf.jpg  

  18. #18
    Join Date
    Dec 2007
    Posts
    2134
    That's one of the best jobs I've seen on an MDF CNC! Awesome work!

    cheers,
    Ian
    It's rumoured that everytime someone buys a TB6560 based board, an engineer cries!

  19. #19
    Join Date
    Mar 2012
    Posts
    276
    I made some progress finally! Got all the electronics hooked up and did a motor test. Everything seemed to work just fine as far as I could tell. I uncoupled all my motor connections for the test but I did get my Y axis all connected back together and moving before I ran out of time
    Attached Thumbnails Attached Thumbnails ocV80.jpg  

  20. #20
    Join Date
    Apr 2007
    Posts
    8082
    Just a thought,

    In this photo I can see that the router collet can go over the steel guide rail. I recommend moving the guide rails under the table top so that the full width of the table top can be used for cutting. This would lower the Z axis by the amount of the table top thickness and will cause the lead screw to be relocated downward by the same amount. You may not want to do that now that the machine is built.

    A simpler way to do the equivalent is to add a spoil board layer on top of the table and notch it to fit over the rail and bolt heads as far as the bearing carriages will allow. That will give a little more cutting width on each side. Just don't accidentally drill through the rails due to errant gcode or failure to re-zero the cutter after a tool change.
    CarveOne
    http://www.carveonecncwoodcraft.com

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