CNC egg shell carving

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Thread: CNC egg shell carving

  1. #1
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    Default CNC egg shell carving

    Just hobby , not really art.






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    Attached Thumbnails Attached Thumbnails CNC egg shell carving-p3370097-jpg   CNC egg shell carving-p3370093-jpg  
    Last edited by uvvvvw; 11-17-2015 at 10:55 AM. Reason: video not work


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    Default Re: CNC egg shell carving

    Bas-relief engraving. 0.35mm depth.

    CNC egg shell carving-img_5781-jpg

    CNC egg shell carving-img_5780-jpg

    CNC egg shell carving-img_5779-jpg

    CNC egg shell carving-img_5778-jpg



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    Default Re: CNC egg shell carving

    :-)

    man you got patiency like ten other together..
    I understand the process that you glue it on the holders....

    but after you mill it theres left no rigidity..

    how you can remove the ready egg?

    another question, what diameter that tool you are using?


    keep going to posting.. its fantastic...



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    Default Re: CNC egg shell carving

    Awesome project.



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    Default Re: CNC egg shell carving

    Thx Victor.

    how you can remove the ready egg?
    [Just melting the glue]

    what diameter that tool you are using?
    [For relief engraving -- 0.2mm 30 degrees flat tip engraving tool]
    [For hollow out -- 0.6mm PCB rout bit]



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    Default Re: CNC egg shell carving

    uvvvvw

    Your machine is this just 3 axes or 4?

    what control software are you using?

    very nice work, it's good to see something different

    Mactec54


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    Default

    Thx mactec

    Your machine is this just 3 axes or 4?
    [Its a 3 axes machine. Two rotary and one linear.]

    what control software are you using?
    [Mach 2]



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    Default Re: CNC egg shell carving

    CNC egg shell carving-img_5835-jpg

    CNC egg shell carving-img_5869-jpg



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    Default Re: CNC egg shell carving

    Quote Originally Posted by uvvvvw View Post
    CNC egg shell carving-img_5835-jpg

    CNC egg shell carving-img_5869-jpg
    Brilliant

    And using Mach2 even more so

    Mactec54


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    Default Re: CNC egg shell carving

    That is gorgeous. It is this type of awesome that has inspired me to get back into CNC. Keep it up!

    -John



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    Default Re: CNC egg shell carving

    This is INDEED art. It's really great and inspiring to watch your work and patience. Must have cracked a bunch of them before you mastered this.



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    Default Re: CNC egg shell carving

    Thanks John and A_Camera.
    And yes, cracked quite a lot before the machine and software have been optimized : )

    Saw a beautiful iron work pattern in a shopping mall last week.
    Took a pic and engraved the pattern on an goose egg shell.



    CNC egg shell carving-20160203_171954-jpg

    CNC egg shell carving-ivy1-jpg

    CNC egg shell carving-1-jpg
    The membrane inside the egg shell has not yet been removed.



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    Default Re: CNC egg shell carving

    inimitable -



    www.signtorch.com


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    Default Re: CNC egg shell carving

    Hey uvvvw,

    I've been wondering all day, how do you account for inconsistencies in different eggs? I'm sure that various eggs are shaped a bit different than others.

    -John



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    Default Re: CNC egg shell carving

    Quote Originally Posted by JohnReierson View Post
    Hey uvvvw,

    I've been wondering all day, how do you account for inconsistencies in different eggs? I'm sure that various eggs are shaped a bit different than others.

    -John

    Hi John,
    The profiles of different eggs are indeed very different.
    I have to scan the profile of each egg before the engraving.
    I scan the profile of the egg through a mechanical probe, and get the point cloud file of the egg profile.
    This point cloud file can be imported to the 3D software and then merged with the pattern that is going to be engraved.
    But this method is not that efficient.
    I wrote my program for this merge. And it is much more efficient.

    The depth measurement and the cutting depth accuracy is extremely crucial,
    especially for the character inscription.
    If the inscription is too shallow, the character will be not clear.
    If the inscription is too deep the egg shell between the character strokes will be damaged.
    Like this one.

    CNC egg shell carving-e12-3-jpg



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    Default Re: CNC egg shell carving

    I must say again, that is very impressive. Far above my current skill level without a doubt.

    Do you use a different machine for the probing, or mount the mechanical probe directly in the machine?

    Thanks for posting all these great pictures, the extra explanations are just icing on the cake.

    -John



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    Default Re: CNC egg shell carving

    Quote Originally Posted by JohnReierson View Post
    Do you use a different machine for the probing, or mount the mechanical probe directly in the machine?
    -John
    Hi John,
    I mount the mechanical probe directly in the machine.
    And after the scanning, I replace the probe with the spindle.
    As the depth control is crucial, it is not OK to scan the egg profile in other machine.

    Regards



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    Default Re: CNC egg shell carving

    Can you post pics of your machine including with probing and spindle? I just curious how big or what machine looklike. Thanks.



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    Default Re: CNC egg shell carving

    Quote Originally Posted by asuratman View Post
    Can you post pics of your machine including with probing and spindle? I just curious how big or what machine looklike. Thanks.
    Done.

    CNC egg shell carving-p3380561-jpg



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    Default Re: CNC egg shell carving

    Just a warning: as long as you keep answering questions, I'm going to continue asking them. lol.

    Based on the picture the probe and spindle mount appear to be 3d printed?
    Is the rotational axis that drives the spindle driven by a worm gear?
    What made you decide to build this machine?

    I only have experience running a simple lathe or mill cnc: Is it harder to program this machine due to the two rotational axes (specifically the one that moves the spindle)? Are you running Mach3? If so, was it hard to set up the rotational axis to work on a cartesian coordinate system?

    These last questions are because at 5 a.m. when I couldn't sleep, I was thinking of building a SCARA 3d printer, but I have no idea how I would program it to work. I am much better with mechanical thingamajigs than electronical thingamajigs.

    I have never been so interested in eggs in my life. Except when hatching baby pythons.

    -John



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