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  1. tun3TT

    Pure axial force. Electromagnet?

    How can I vary the current in my electromagnet? What component I need? A rheostat? The maximum current in my electromagnet is 1.5A.
  2. tun3TT

    Pure axial force. Electromagnet?

    I guess it is more hearder to build? Why the magnets will get warm? That's not good, that means a part from the kinetic energy of my flywheel will be transformed into heat.
  3. tun3TT

    Pure axial force. Electromagnet?

    Ok, so let's change the problem a bit. If I have two coaxial disc shaped neodymium magnets, one mounted on the shaft and the other one always stationary. The gap between them, let's say, is 0.5 mm, and they repel each other. My shaft is also mounted in a bearing so the axial force between the...
  4. tun3TT

    Pure axial force. Electromagnet?

    Hello all, I have an application where I need to apply a "pure" axial force on a shaft, that means without any sort of reaction moments that may appear on the shaft. So I was thinking to use a electromagnet and a permanent magnet. As shown in the picture, the permanent magnet (2) is rotating...

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