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IndustryArena Forum > CNC Electronics > Stepper Motors / Drives > Power Supply for Driver / Stepper
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  1. #1
    Join Date
    Oct 2009
    Posts
    3

    Power Supply for Driver / Stepper

    I have been reading through some threads and would like to verify that this is correct. My driver needs 12 to 24V DC to operate 2A per axis with 2.5A max. My steppers only need 3.6V to operate. I am planning on rewiring an ATX PSU from a computer with the 12V to supply the appropriate power. Will this damage my steppers since it has to be 12V??
    Components links :
    http://www.lightobject.com/3-Axis-CN...KCam-P274.aspx

    http://www.mpja.com/prodinfo.asp?number=17748+MS

    Thanks a ton for any help.

  2. #2
    Join Date
    Sep 2007
    Posts
    200
    a pc power supply won't cut it
    a stepper motor run with such minimal voltage will be slow and painful
    i noticed it is rated at 35volt max. use a 35volt supply. no joke.
    and your motors are 2a each make sure its a good 200-250watt power supply
    you don't need a switch mode or regulated supply
    just go for a torriodial type with a simple full bridge rectification

  3. #3
    Join Date
    Oct 2009
    Posts
    3
    That is actually easier then. I just wanted to reassure that I was not going to have an issue with the steppers being rated at 3.6V and the driver at 12 to 24 V. I will hash up a 24V supply then.

    Thanks a ton.

  4. #4
    Join Date
    Sep 2007
    Posts
    200
    cool,

  5. #5
    Join Date
    Mar 2008
    Posts
    3655
    Hi evo. Welcome to the Zone!

    Some of this may help you:

    http://www.cnczone.com/forums/showthread.php?t=78713.#3

    CR.

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