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Made a cube in a 1 inch ball

Discussion in 'GENERAL DISCUSSIONS' started by Jimsehr, Mar 19, 2017.

  1. Jimsehr

    Jimsehr United States Active User Active Member

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    I have made a ball in a 1 inch cube so I thought I would cube in a 1 inch ball. Just for fun.
    All made on my old Logan. Made out of solid.
    jimsehr


    [​IMG]
     
    Rustrp, savarin, loggerhogger and 9 others like this.
  2. Ken from ontario

    Ken from ontario Canada Active Member Active Member

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    Very interesting, I love it, hats off to you for your patience and competence. well done.
     
  3. Joe in Oz

    Joe in Oz Australia Active User Active Member

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    Now tell us how, please :) Curious. Might be a good excercise to do with my grandkids....
     
  4. loggerhogger

    loggerhogger United States Active User Active Member

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    Very nice

    Sent from my SM-G930V using Tapatalk
     
  5. MontanaAardvark

    MontanaAardvark United States H-M Supporter - Premium Content H-M Supporter-Premium

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    Could you post a larger picture?

    To these old eyes it looks like you made three cubes in three one inch spheres that were one piece, so maybe a 3x1 bar? Or out of three completely separate spheres that you somehow attached to each other? Or are the three just stacked on top of each other?


    Bob
     
  6. Jimsehr

    Jimsehr United States Active User Active Member

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    They are stacked on top of each other.
    Jimsehr
     
  7. wawoodman

    wawoodman himself, himself H-M Supporter-Premium

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    I wouldn't try it, myself. "Zaide, what does &$#%#%@&$ mean?"
     
  8. markso125

    markso125 United States Iron Registered Member

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    These are what I have been having my students make. I pass them out to school/state administrators and business representatives when they take tours of our facility. Its a cool easy project and they are awesome PR when students are looking for jobs in the area
     

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  9. Jimsehr

    Jimsehr United States Active User Active Member

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    what kind of machine are these parts made on ?
    Jimsehr
     
  10. markso125

    markso125 United States Iron Registered Member

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    You can make this on a milling machine both cnc and manual its a lot easier then you think it is, the question is how many people have figured out the secret to doing it?

    Depending on what material you are using you could even do it on a lathe with a 4 jaw chuck, it wouldn't be easy but it can be done.
    My students make the dice out of 1.5" inch aluminum cubes and they retain most of that original size. It is the same process for doing it out of round parts
     
  11. Jimsehr

    Jimsehr United States Active User Active Member

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    Mark

    Do you think your students could make this on a manual lathe? A 3/8 ball in a 5/8 ball in a 7/8 ball in a 1 inch cube all parts freefloating.

    I have made a part similar to your dice in a shop class on a cnc machine. It had a different shape for each face of the cube. So you had to program each face . Like you
    said it is easier then it looks. You make the part in a mill vice and after you do five sides , on the last side you pinch the center part in the vice by using a piece of shim
    so part is supported while cutting .

    I also think if you can hold a diameter and a depth on a lathe it is easy to make a make a cube in a cube. It is Quite a bit harder to make a ball in a cube or a ball in a ball.
    How would you make your dice if the outside was round? How would you hold it?
    jimsehr


    [​IMG]
     
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  12. markso125

    markso125 United States Iron Registered Member

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    I don't think I have anyone at this point in time that could do a ball in a cube, none of my students are up to that skill level yet.

    As for holding round parts I usually have them make soft jaws for the mill vices. That reduces the risk of flattening the sides.
     
  13. FOMOGO

    FOMOGO United States Active User H-M Supporter-Premium

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    I think you guys have to come help me grind my concrete floors for sealant. You have way too much time on your hands. Free food, adult inebriate's, and tall tales around the fire. Nice work by the way. Cheers, Mike
     

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