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IndustryArena Forum > MetalWorking Machines > Benchtop Machines > Taig Mills / Lathes > Wiring setup for sewing machine motor?
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  1. #1
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    Wiring setup for sewing machine motor?

    Do I need to insert the foot pedal wire to the control box in order to get it to work or will it be possible to just short-circuit some of the contact points with a jumper?

  2. #2
    Community Moderator Al_The_Man's Avatar
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    Re: Wiring setup for sewing machine motor?

    Depends on the type of motor, the older ones were simple Universal motors, now BLDC are usually used.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  3. #3
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    Re: Wiring setup for sewing machine motor?

    Quote Originally Posted by Al_The_Man View Post
    Depends on the type of motor, the older ones were simple Universal motors, now BLDC are usually used.
    Al.
    I have the csm2000. I tried to get it to run, but it will only do a few rotation at a very low speed and then it stops up. I need to swich of and on the 0/1 button in order to have it to run again, but then the same thing happens.
    What may be wrong?

  4. #4
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    Re: Wiring setup for sewing machine motor?

    Have you replaced the foot-pedal with a potentiometer?
    How is it wired?
    The motor must have the pedal or pot in the off position to "ARM"...this is the safety interlock system....
    Then you can adjust the pedal/pot to desired speed..

    Stuart

  5. #5
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    Re: Wiring setup for sewing machine motor?

    Quote Originally Posted by sclelectronics View Post
    Have you replaced the foot-pedal with a potentiometer?
    How is it wired?
    The motor must have the pedal or pot in the off position to "ARM"...this is the safety interlock system....
    Then you can adjust the pedal/pot to desired speed..

    Stuart
    Here is a link to another thread where I got a solution.

  6. #6
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    I think it depends on the type of motor the sewing machine has.

  7. #7
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    Re: Wiring setup for sewing machine motor?

    If your wires are color coded and you can find another exact model motor then you could perhaps compare the connections from that good motor and find which wire connects to what terminal.
    Short of that you'd have to trace each individual wiring to the stator field coils to find out which one goes where.
    Someone highly knowledgeable in motor construction and design should be able to figure out how to connect your unlabeled wires correctly if he has a clear view of the motor winding circuits.

    I don't think anyone here could help you much by just looking at a bunch of unlabeled wires sticking out of an unfamiliar motor.

  8. #8
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    Re: Wiring setup for sewing machine motor?

    Are you still using a machine with pedals? If it is an old machine, you aren’t going to find easily the broken elements. In fact, it is another era already and we have to face the new products that appear on the market.

  9. #9
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    Re: Wiring setup for sewing machine motor?

    I agree that sewing machines with pedals are another era. The market has new sewing machines that are much better than old ones. Sewing machines also suffered big changes thus becoming easier in use, compact and affordable. I highly advise you to buy a new computerized machine. Read more here the reviews of top five best sewing machines reviewed already in 2020. These reviews are a great start to understand what market offers you and what to fit your preferences and requirements.

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