replacing switch on scroll saw

Discussion in 'General Electronics Chat' started by bweighmaster@aol.com, Jul 11, 2014.

  1. bweighmaster@aol.com

    Thread Starter New Member

    Jul 11, 2014
    2
    0
    Original switch not avalible, want to replace by connecting to full wave rectifier,then running positive wire to light dimmer switch,then to dc motor... Sound right ?.? Suggestions ???
     
  2. MaxHeadRoom

    Expert

    Jul 18, 2013
    10,566
    2,379
    Is the original switch a variable speed and is it a mains operated scroll saw?
    If so then it most likely is a Universal motor and does not need the bridge.
    Max.
     
  3. Dodgydave

    AAC Fanatic!

    Jun 22, 2012
    5,001
    745
    Take some photos of the switch and post them.
     
  4. bweighmaster@aol.com

    Thread Starter New Member

    Jul 11, 2014
    2
    0
    Don't know about mains, tried hooking up direct ,motor locks up and buzzes ,hooked up to 12 volt car battery and run fine ,but slow , after rectifier,runs fine but can't regulate speed . How do i hook up to regulate speed????
     
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