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Solid basics CNC router

Discussion in 'CNC Mills/Routers' started by Richard Long, Apr 16, 2017.

  1. Richard Long

    Richard Long Journeyman
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    Richard Long published a new build:

    Read more about this build...
     
    Molioni likes this.
  2. Gary Caruso

    Gary Caruso Master
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    Nice build! I fully agree about the unsupported rails. I thought about drilling my own plates but chickened out!
     
  3. Richard Long

    Richard Long Journeyman
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    Thanks, Ironically it would have been way easier if the machine was already completed. I guess it is the old chicken or the egg scenario. :)
     
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  4. Giarc

    Giarc Master
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    I thought the same thing when I cut my plates on a table saw and scroll saw then drilled the holes with my drill press. Time consuming and fun, but it would have been so much easier if a CNC router was available. I figured if I failed, it was only about $35 worth of aluminum wasted so I rolled the dice.
     
  5. Richard Long

    Richard Long Journeyman
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    I have pretty much the same attitude about taking chances. Some of the best ideas of come up with were after I failed doing something and figured out why I failed and then thought it through. I didn't want to pay someone for something I felt I "should" be able to do (plus I'm cheap). :) Well, the Y and Z axis plates are this weekend so hopefully I won't run into problems, but if I do hopefully I'll learn something from my failure.... and I'll have plenty of small piece stock!
     
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  6. James1949

    James1949 Well-Known
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    Like your build.
    Will follow for updates.
    Had problem with video playing.
     
  7. Richard Long

    Richard Long Journeyman
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    Thanks!
    Someone else told me that as well. When I clicked on it and it downloaded and ran which isn't what I wanted it to do as well. I will need to fix that for sure. I was having a hard time figuring out how to delete it.
     
  8. Gary Caruso

    Gary Caruso Master
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    I like that you kept your plates simple. I was able to watch the video no problem just download first.
    You plan on "dual belting"?
    I'm curious with your motors, 1.8A sounds low for 340oz?
    I have 269oz N23 motors, and run my DQ542's at 2.3A RMS over 3A peak (24V), They run for hours just slightly warm.
    Cheers
    Gary
     
  9. Richard Long

    Richard Long Journeyman
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  10. James1949

    James1949 Well-Known
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    I was trying to open on iPad. Works fine on work computer.
     
  11. HOBOPHOBIA

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    From your experience, do you think it is detrimental to build CNC table on wheels?
     
  12. Gary Caruso

    Gary Caruso Master
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    Interesting, that motor has very low current for its torque, good find.
     
  13. Richard Long

    Richard Long Journeyman
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    Do you meant the actual platform? I would the wheels that lock if you do so your machine doesn't dance! As far as if that is bad or not, I haven't tried it but I don't see why it wouldn't work. You would have to be diligent about keeping it level since you are moving it place to place. I'd make sure you have a way to level it easily. I have a tablesaw that lifts up on wheels to move it but once it is down, rock solid.
     
  14. Richard Long

    Richard Long Journeyman
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    Yes, I run a 36 volt power supply to make up for the lower current flow. Power = Current x voltage. if current is lower you can up the voltage a bit to compensate.
     
  15. Gary Caruso

    Gary Caruso Master
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    Cut anything yet? how's it going?
     
  16. Richard Long

    Richard Long Journeyman
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    Hey Gary,
    No, not yet. I have the z axis together but i need to make a mount point. Also, I have all the limit switches and wire management work to do. Getting there, just getting slowed down by those pesky people at work! :)
     
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  17. Mike J. Flatland USNR

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    What is your total size? and what size can you cut?
     
  18. Richard Long

    Richard Long Journeyman
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    It's about 48 x 54 overall. I need the overhang over the 48 inch top for the rails. The cutting area is 40 X 46.
     
  19. johnnycnc

    johnnycnc Well-Known
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    A really educational build, Richard. A lot of great information that I will be using when going through my build. I really like your platform. I feel that it is as rigid as any steel table could be.
    It is great to follow a build that has deflection as a primary concern. I am interested in your BofM as well as suppliers?
    Great Build!!
     
  20. Richard Long

    Richard Long Journeyman
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    Hey Mike,
    The table top is 48" square. There are several inches of overhang along the Y axis in the plus and minus directions that overhangs the tabletop. The cutting area is roughly 39 x 39. It hits a bit strange because I modified the design with ballscrews I turned the Y axis plates around. It allowed me to reuse the plates and I had desired the ability to reach off the table. Now I can reach off the edge and do some dovetailing if I wish.
     
  21. Richard Long

    Richard Long Journeyman
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    Thanks!
    I use many different suppliers. Openbuilds for some. Ali Express is a big one for me. Ebay, even Amazon. a lot of the parts I need are listed for other uses. That is one of the things you need to figure out to find good sources. An example of what I mean here is pre-cut cork circles for coasters. Prices are all over the place and they might be listed very differently.... It requires lots of research.
     
  22. Techvette

    Techvette Well-Known
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    Nice machine! Thanks for adding the information about drill bit size. Finding metric bits is difficult here in the states.
     

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