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  1. #1
    Join Date
    Apr 2008
    Posts
    41

    Question Power Supply Selection

    I HAVE A 2 AXIS MILL WITH DC BRUSHED SERVOS THAT HAVE DIFFERENTIAL ENCODERS.
    C. STALL TORQUE 14lb/in @ 7A
    MAX RPM 4000
    MAX VOLTAGE 100V
    MAX AMP 34A

    I AM THINKING OF RUNNING PHELPS CNC SERVO DRIVES THAT HAVE A MAX OF 80 VOLTS AND 20 AMPS.

    I WAS ALSO THINKING OF HAVING A POWER SUPPLY FOR EACH DRIVE TO BE ABLE TO GET THE MOST OUT OF EACH MOTOR.

    I NEED HELP SPECING A POWER SUPPLY(S) FOR THIS APPLICATION, AND WHERE I CAN GET SUPPLIES,OR ANY REC. THAT ANYONE HAS.

    THANKS

  2. #2
    Join Date
    Dec 2003
    Posts
    24220
    It is not usually considered necessary to provide separate power supplies, and it is also more cost effective to build one.
    All axis motors usually do not draw maximum the same time.
    I would go with a linear non-regulated.
    There are many previous posts here on putting your own together, if you are fairly competent in electrical/electronics it will be fairly simple.
    There is a ebay seller of Toriodal Transformers that can usually be adapted.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

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

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