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  1. #1
    Join Date
    Jul 2014
    Posts
    6

    Cooling Fans...AC or DC?

    Inside the driver enclosure. Is it worth it to install another power supply to feed fans or do you just run them off of AC mains?
    Thanks

  2. #2
    Join Date
    Dec 2003
    Posts
    24223

    Re: Cooling Fans...AC or DC?

    I have used both, but if it calls for an extra supply I use the AC mains type.
    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
    Join Date
    Jul 2014
    Posts
    6

    Re: Cooling Fans...AC or DC?

    Thanks Al. Just trying to limit the amount of AC components in the enclosure. However I did read that fans are pretty quiet from an interference standpoint.

  4. #4
    Join Date
    Dec 2003
    Posts
    24223

    Re: Cooling Fans...AC or DC?

    The typical Muffin fan is quiet, if the environment is dusty etc, it pays to positive pressure the enclosure by placing an outside filter on a fan bringing air into the enclosure. Some kind of small exit is required.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

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

  5. #5
    Join Date
    Dec 2013
    Posts
    41

    Re: Cooling Fans...AC or DC?

    I don't mean to highjack this thread, but I'm about ready to cut my controller box for my fans. Al, so if I have one fan pushing air in the case, does another need to be pushing air out or just any exit hole will do? Thanks!

  6. #6
    Join Date
    Dec 2003
    Posts
    24223

    Re: Cooling Fans...AC or DC?

    Any means of exit works, I have fitted a small grill in some cases, the small type that is used with PC fans.
    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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