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Thread: Heart CNC Shark Carving

  1. #1
    Join Date
    Feb 2011
    Location
    Salem, OR
    Posts
    267

    Heart CNC Shark Carving

    This is one of my first projects on my new CNC Shark, wedding gift for my nephew. Carved in pine and waiting for more coats of Laquer.

    I didn't know which forum to post this in, are there anyother Shark users in the Family? This machine combines two of my favorite things, computers and woodworking, it's been a lot of fun.

    Click image for larger version. 

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    "Have no fear of perfection--you'll never reach it."
    ---Salvador Dali

  2. #2
    Join Date
    Dec 2007
    Location
    Los Angeles, CA
    Posts
    2,668
    Nice. If this is your first CNC project then I am sure we will see some wonderful projects in the future.
    Chinese Proverb: Man who eats many prunes gets good run for the money.

  3. #3
    Join Date
    May 2007
    Location
    Kansas City, Missouri
    Posts
    13,452
    Wow, that turned out great Jim. I've got a home build CNC router. Still trying to find software that makes it easy to create the gcode. Did your machine come with software or are you using something like vcarve?
    Darren

    To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault

  4. #4
    Join Date
    Feb 2011
    Location
    Salem, OR
    Posts
    267
    It came with Vectric vCarve Pro and I bought Vectric Cut3D.
    "Have no fear of perfection--you'll never reach it."
    ---Salvador Dali

  5. #5
    Join Date
    Feb 2011
    Location
    Salem, OR
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    You should see my firewood bin it's getting full, that's why I'm using pine, don't what to burn up some expensive wood until I learn.
    "Have no fear of perfection--you'll never reach it."
    ---Salvador Dali

  6. #6
    Join Date
    Aug 2007
    Location
    Reno NV
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    13,361
    Amazing what those machines can do. I bet there is a learning curve with the software, like everything else...
    Programmer - An organism that turns coffee into software.
    If all your friends are exactly like you, What an un-interesting life it must be.
    "A door is what a dog is perpetually on the wrong side of" Ogden Nash


  7. #7
    Join Date
    Oct 2006
    Location
    ABQ NM
    Posts
    30,020
    Very nice, Jim. A CNC rig has been on my wishlist for a long time.
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

  8. #8
    Join Date
    Jun 2008
    Location
    GTA Ontario Canada
    Posts
    12,260
    Amazing Jim. Can you give us some insight into the effort involved once you mastered the programming to get the finish we see in the picture. Vaughn you not alone in that CNC wish list.
    cheers

  9. #9
    Join Date
    Feb 2011
    Location
    Salem, OR
    Posts
    267
    First you need to know that I have a long way to go on 3D modeling, so I downloaded the Heart 3D model (you can download free or buy 3D models), the heart was a freebie. Next you upload into Cut3D to create your toolpaths for the 3D model, which most of that is done by the computer, the part of this that will come with practice is setting tool plug rate, freerate, pass depths and stepover. This all depends on the wood type. I went through about 8 foot of pine trying to get this right.

    Next step is to import the 3D model into vCarve Pro to add the text this took a little time to get the text to follow a curve.

    Then the last step in creating the job is to select a post processor to convert the drawing to GCode that the Shark's controller can understand.

    Now the carving begins, I had three toolpaths to run, first a roughing toolpath to remove most of the unneeded wood and then the finish toolpath to do the finished carving and a text toolpath. The carving time was 2 hours and 10 minutes with two bit changes.

    Finally I cut it out of the wood with my scrollsaw and sanded and finished.
    "Have no fear of perfection--you'll never reach it."
    ---Salvador Dali

  10. #10
    Join Date
    Jan 2007
    Location
    Sacramento, CA
    Posts
    1,367
    This is really cool - thanks for sharing it Jim! I'm building my own CNC right now and should be cutting soon.

    Thanks for outlining the process - it gives me an idea of how much trial and error there'll be.

    I'm planning to use Sketchup and Phlatscript for my 2D gcode generation. I haven't figured out 2.5D or 3D yet - i think phlat can do 2.5, but i'm not sure about 3D.
    Jason Beam
    Sacramento, CA

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