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electromagnet sweeper

Discussion in 'Electronic Design' started by [email protected], Feb 13, 2008.

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  1. Guest

    I plan to make an electromagnet sweeper but my understanding of
    electromagnet field very basic. The sweeper condition should be
    operate by cut off DC supply to release the nails and etc and the
    piece load of metal about max 200 - 300 gram with range of magnetic
    field about 500 mm

    My question :
    1. Any impact of diameter of wire to field of magnetic ? If yes how is
    2. Same question with no.1 but for diameter of pole
    3. If I use AC generator and recifier, is there any circuit needed to
    protect the wire and bar get burn ?
    4. What's should be the best of metal use as pole for application of
    heavy duty.
    5. To bring more magnet effect, can I apply more layer of wire on each
    pole ?
    6. To cover the magnetic surface wider, can I put paralell bar ?

    Thanks and appreciate your coment.

  2. D from BC

    D from BC Guest

    I have time to answer 1 question..

    Magnetic intensity depends on magnetizing force H. H depends on turns
    and current. As wire diameter goes down, wire resistance goes up and
    can reduce current for a given voltage.

    D from BC
    British Columbia
  3. Robbo

    Robbo Guest

    Use this circuit with no batteries
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