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Thread: 3d Printed magnets - could this bring about new motors ?

              
   
   
  1. #1
    Senior Member Hugues's Avatar
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    3d Printed magnets - could this bring about new motors ?

    Interesting article i read today on 3ders.org:
    http://www.3ders.org/articles/201603...gineering.html

    Some company in the USA managed to 3d print magnets with all shapes of magnetic fields, cool.

    Got to watch this video (jump to 2'27" to skip the basics of magnets):


    Could this technology be used to build better electric motors ?
    Regards from Switzerland
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    They did an AMA on reddit, and one of their reps did confirm that their machines work on samarium-cobalt. I wouldn't get to excited about this one, at least not when applied to traditional neodymium motor designs. For the purpose of motors, they are able to manipulate the field so it occurs at a shorter distance, but not particularly stronger overall field strength than traditional means. If the fields are interfering with each other from other magnets within the motor, then it can be helpful. Otherwise, it's going to be as strong motor strength if not a bit less. At least that's the general impression I got from reading their responses to this type of inquiry.

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    Senior Member Hugues's Avatar
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    From the 3ders.org article:
    "They are also more than five times stronger than conventional magnets, thanks to the optimized field, "

    for what it's worth...

    don't know how it compares to induction motors...
    Regards from Switzerland
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    I was going off of this response:
    https://www.reddit.com/r/IAmA/commen...lated/#d1avucy

    "The field strength at the surface of the magnet is very similar to that of a conventional magnet of the same size and grade. At a distance from the magnet the field depends on the interaction of the different magnetic regions."

    Since surface strength is always the strongest point of attraction based on basic magnetic forces vs distance, I'm pretty sure it can only alter field strength at distance.

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    That is incredible!!

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