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Thread: CNC Lathe Digitizing

  1. #1
    Join Date
    Oct 2009
    Location
    Marquette, MI USA
    Posts
    416

    CNC Lathe Digitizing

    Guys...
    I am in the process of building an Acorn Controlled CNC Wood Lathe. Mostly with the commercial game call turner in mind. One of the "asked for" options is the ability to digitize existing call profiles. This short video is proof of concept. A bit of fine tuning to go in the next few days and then cutting of the digitized profiles will commence.


    https://youtu.be/aocMJ00ivvs
    Gary Campbell
    CNC Technology & Training

  2. #2
    Join Date
    Nov 2007
    Location
    South Jersey
    Posts
    41
    Pretty sweet!

    True to form, it looks like you're "buildin' it right" with all the production add-ons.

    That thing will be a real money maker.
    IBILD High Resolution 3D Scanning Services

  3. #3
    Very nice looking setup, Gary! When will you test it cutting parts?

    David
    David

    Nothing to do with woodworking at all, just our music at church (I'm the guy with the Koa Takamine) - Go to YouTube and search for Airline Baptist BC - enjoy!
    YouTube Woodworking Channel for David Falkner (just search for me by name)
    Romans 3:23

    Etsy shop - CurlyWoodShop

  4. #4
    Join Date
    Oct 2009
    Location
    Marquette, MI USA
    Posts
    416
    David...
    I am already testing it, I just am getting feeds and speeds dialed in. I'm shooting for under 2 minutes per call cycle time. 30 per hour. I'll post video when I get it "happy"
    Gary Campbell
    CNC Technology & Training

  5. #5
    Join Date
    Oct 2009
    Location
    Marquette, MI USA
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    Here is part 2, or actually a start to finish of the process. I still have some final adjustments to the tool lengths, feed rates and some of the macro actions to make, but for the most part the project is viable. AND FUN!!! Looks like a production cycle with proper length blanks would yield one call in under 3 minutes, ~20 per hour.

    https://youtu.be/C7b7He0mtxk
    Gary Campbell
    CNC Technology & Training

  6. #6
    Very nice, Gary, very nice! In production can you capture most of the shavings/chips/dust?

    David
    David

    Nothing to do with woodworking at all, just our music at church (I'm the guy with the Koa Takamine) - Go to YouTube and search for Airline Baptist BC - enjoy!
    YouTube Woodworking Channel for David Falkner (just search for me by name)
    Romans 3:23

    Etsy shop - CurlyWoodShop

  7. #7
    Join Date
    Oct 2009
    Location
    Marquette, MI USA
    Posts
    416
    David...
    Yes, but that will be last when I get a good feel for what the purchasers needs will be. Those were the first cuts on the machine, lots of testing and tuning to go.
    Gary Campbell
    CNC Technology & Training

  8. #8
    Join Date
    Nov 2007
    Location
    South Jersey
    Posts
    41
    Wow - that's gorgeous!

    Extra points for starting with a wobbly blank - that's reality!
    IBILD High Resolution 3D Scanning Services

  9. #9
    That's a very cool machine and process Gary. What kind of cutting tools are you using? Would the production model have a cnc controlled tool turret or require an operator to make tool changes?

  10. #10
    Join Date
    Oct 2009
    Location
    Marquette, MI USA
    Posts
    416
    Thanks Brady...
    Don't know if I could drill one straight if I had to.

    Richard...
    Those are a combo of Easy Wood Tools and some special inserts I buy with a bit more aggressive rake angle. If the purchasers want to add the cost of a turret changer, I would add one. Nothing should hold you back but your imagination.


    and checkbook!
    Gary Campbell
    CNC Technology & Training

  11. #11
    Join Date
    Oct 2009
    Location
    Marquette, MI USA
    Posts
    416
    To answer a number of emails regarding this machine and machining time per call, I have included that in this video along with showing some of the features:


    https://youtu.be/mNjsBU9pcmo
    Gary Campbell
    CNC Technology & Training

  12. #12
    I'll say it again - pretty neat setup, Gary! I like the feature set on this, good job all the way around.

    David
    David

    Nothing to do with woodworking at all, just our music at church (I'm the guy with the Koa Takamine) - Go to YouTube and search for Airline Baptist BC - enjoy!
    YouTube Woodworking Channel for David Falkner (just search for me by name)
    Romans 3:23

    Etsy shop - CurlyWoodShop

  13. #13
    Join Date
    Nov 2007
    Location
    South Jersey
    Posts
    41
    Looks to me like it can make $200-500 in calls per hour if you know what you're doing.

    Not many other ways for y'all knuckle draggers to make that much money legally...Not unlesson you win the lottery or something
    IBILD High Resolution 3D Scanning Services

  14. #14
    Join Date
    Oct 2009
    Location
    Marquette, MI USA
    Posts
    416
    I'm going to have to practice a bit before I get rich turning acrylic calls!

    https://youtu.be/mc2i3wtlgU4
    Gary Campbell
    CNC Technology & Training

  15. #15
    Hey Gary, what holds the blank securely on the mandrel?

    I have no experience turning acrylic, but the little plastic I've turned cut way different from wood. Ideal tool geometry and feeds & speeds for that stuff must be different from wood.

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