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Two identical motors turning the same arbor

Discussion in 'Electronic Basics' started by Mike, Feb 24, 2004.

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  1. Mike

    Mike Guest

    does anyone know if
    1. this would work?
    2. this exists?
    3. there are any pictures, websites?
    4. there are practical applications?
    5. there are companies that build them?
    6. thanks!
     
  2. Jamie

    Jamie Guest

    yes they exist.
    what happens normally is if you have both
    lets say DC shunt motors connected and using
    an external tach ref from the shaft you can
    drive both almost equally with the same drive.
    its possible that one motor may tend to lead//
    then you have the use of Resistor bars where you can feed the
    armature feed to the center and then using a an inline amp
    meter adjust one of the other outer feeds to balance the amps under
    a load.
    now this of course is working with large motors.
    in most cases if 2 motors are identical then they should be
    close enough to be connected together from the same source..
    most of the time what happens they both well help with the load being
    driven, one may work alittle more than the other and that would be due
    to wear on bearings etc..
     
  3. Jamie

    Jamie Guest

    one more thing to add.
    this only applies to direct linkage type motors
    when i say that i mean like DC Shunts, Ac syncrise, etc..
    the types that do not have slip clutches like a Eddy current type
    in the case of an Eddy current type you would have to have 2 separate
    drives controlling the clutches and Current monitoring from both
    motors, one motor would be the master and the other slave. this way
    you can insure that both motors are doing there equal share of the load.
    etc./
     
  4. Mike

    Mike Guest

    Thank you Jamie,
    Anyone else want to try questions 3,4, and/or 5? I've
    spent alot of time looking online with no luck. I'd like to see a
    picture or get in touch with a company that would make one. Right now
    AC or DC doesn't matter. TIA, Mike
     
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