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Inductor's Bobbin Design

Discussion in 'Electronic Design' started by dance, Apr 6, 2005.

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  1. dance

    dance Guest

    Does anyone explain to me what is 'cheekless bobbin'?

    I'm reading a standard IEC/EN 60065 6th.
    In clause, term 'cheekless bobbin' shows. but I can't find it what it is.

    I hope your help.
  2. dance wrote...
    I think that means there isn't a bobbin, or at least no bobbin
    flange to hold the wire in place. Instead it's layer-by-layer
    interleave wound and holds itself in place, perhaps with the
    help of lacquer.

    Or, you could ask this fellow, "TRANSFORMER REWINDING SERVICE -
    Rewinding facility available for audio, power and other "difficult"
    transformers where replacements are not available. Specialising
    in "cheekless bobbin" layer-interleaved rewinding. Contact Brian
    at Computer Technical Engineering on 041 365-3935" BTW, that's
    in Port Elizabeth, South Africa. :>)
  3. It is a bobbin with only a central core.
    Some form of cheeks were there during the winding,
    but they get removed, and the final coil is made
    self supporting. The lack of cheeks give a slight
    increase in winding area, but it is not an easy
    process to do, and modern strong plastics have
    made it less useful.
  4. Joerg

    Joerg Guest

    Hello Winfield,
    Our dogs would probably call that a "bone with chewed off ends".

    Cheeks and inductors. That must have been coming from some bureaucrat.

    Regards, Joerg
  5. dance

    dance Guest

    It's really helpful.
    Have a nice day!!
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