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Thread: Cable size

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  1. 02-18-2015, 07:35 PM #1
    masinecc
    masinecc is offline Registered
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    Oct 2010
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    Cable size

    Hello,
    I have a 3 axis kit who includes:
    3 PCS Nema 23 Stepper Motor with 425oz-in holding torque.
    3 PCS Stepper Driver DM542A
    1 PCS Power Supply-----350W,36VDC,9.7A.
    1 PCS DB25 Breakout Board
    I am wondering what size of cable i need to connect the drivers to the power supply and the breakout board. I already decide to use 22 AWG for connecting the stepper motors to the drivers. I ll be very thankful for any kind of help.
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  2. 02-18-2015, 08:11 PM #2
    ifixcnc
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    Re: Cable size

    This should help.
    American Wire Gauge table and AWG Electrical Current Load Limits with skin depth frequencies and wire breaking strength
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  3. 02-18-2015, 08:23 PM #3
    Al_The_Man's Avatar
    Al_The_Man
    Al_The_Man is offline Community Moderator
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    Re: Cable size

    I would use 14g and 16g minimum for power wiring, also it pays to tightly twist current carrying conductors throughout the length to prevent EMI etc.
    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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