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Beginner Wild Horses 3d Wood Carving.

  • Machine Type:
    OpenBuilds LEAD Machine
    Software:
    Vectric V-carve Pro, bCNC, Meshmixer
    Electronics:
    xPRO Board
    Machine Time:
    12 hours
    Bit or Laser Size:
    1/4" down cut em, 1.5mm tapered ball nose.
    Feeds & Speeds:
    100 ipm roughing and finish
    Materials:
    1" x 11.5 x 36"oak stair treads
    I ran into an little issue with this one. It happens though. While doing the finish cut, I had something to do and left the machine run unattended. There are not many who have not done this for at least a brief period of time, and that is most likely when things happen.

    I love the dewalt 611 router, but with any brushed motor, the brushes wear out and must be changed. Usually they will start to act a little funny. Sometimes they just stop running without warning. This carve was almost complete when I walked away, and the router quit running, but the machine don't know that, and it kept on going through the motions. It broke my bit off, but that wasn't all that happened.

    I did some editing on the g-code so I could try to pick up where it left off from, and that's when the hidden problems showed up. Before the bit broke, it managed to twist the frame out of square when the Y axis motors lost steps.

    I didn't notice this by looking at the machine, but I surely noticed it when all the tool paths started cutting out of square. It took awhile to figure out what was going on and by then, the damage had already been done. The border of this carve is what got screwed up, but it is what it is. I squared the machine all back up, and everything is fine now, but like I said, things can happen while you're not looking.

    Be careful out there, and do what you can to prevent stuff like this, or much worse from happening to you!

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    Hope you all like this project. Thanks for checking it out.
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  1. MaryD
    Beautiful piece!
      Jack D likes this.
    1. Jack D
      Thank you Mary.
      Jack D, Oct 15, 2019
  2. Mark Carew
    Jack thanks for sharing the tips with us on leaving a machine. It's so true that that is "when it happens" it's like it knows and has been waiting for you to step out for a few and then when it happens :) Its happens to all of us for sure. I have not had the brushes fail when I am out of the room but of course lots of other unforeseen circumstances. hmmm got me thinking maybe we need a rundown checklist before starting a long job, to be sure we've covered every foreseeable thing we can. Just a thought
    Really nice job on the cut regardless it turned out beautiful.
      Matthew Bates and Jack D like this.
    1. Jack D
      Thanks Mark. It's just the nature of the beast, plain and simple.
      Jack D, Oct 15, 2019
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