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IndustryArena Forum > CNC Electronics > Stepper Motors / Drives > stepper motors will not turn
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  1. #1
    Join Date
    Jan 2012
    Posts
    8

    stepper motors will not turn

    So I looked up schematics online for my stepper motors which came from build your cnc. I think I may have wired them wrong on the first go but double checked everything on my second and still have motors that after I plugged the powersupply in they will not turn. I am going to check and see if the electromagnet has released itself by now, cause I took them apart and it acted like it still had power and I could not turn the motors freely anymore. Not sure what to do I will post pics of my setup and maybe someone can tell me what im doing wrong.

  2. #2
    Join Date
    Jan 2012
    Posts
    8
    They turned freely before I plugged them in, also wont turn when I jog them. And after I plug the power supply in they wont turn freely anymore.

  3. #3
    Join Date
    Jan 2005
    Posts
    1695
    Stepper motors are suppose to lock up when power is applied.

  4. #4
    Join Date
    Oct 2010
    Posts
    317
    You shouldn't be taking the motors apart,it can ruin them.

    Sent from my Galaxy S3 using Tapatalk 2

  5. #5
    Join Date
    Jan 2012
    Posts
    8
    Motors were locked after power was turned off. And as far as taking them apart I only took the shaft assembly out of the casing not real hard to put it back in, however I have solved my problem of why they wouldnt turn I did not have a complete circuit. Now the motors pulse they just need to be tuned. The only thing that really tears up those stepper motors is taking apart the shaft assembly which I was not prepared to do knowing the problem was electrical.

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