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DC brushless spindle questions

Discussion in 'CNC Mills/Routers' started by donald k wilson, Dec 18, 2021.

  1. donald k wilson

    Builder

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    Hi All,
    I'm going to change my machine to a dc spindle, I'm replacing a craftsman 1.5 h 11a 12-25,000rpm router. The router works fine but its too LOUD.
    I'm not sure how dc power ratings correlate, could someone help with a baseline number(s) I want to be looking at?
    I am currently running the open builds 24v Meanwell power supply into the black box controller. Can I run a 24v spindle out of this power supply and do I want to?
    I'm sure I'll have more questions but a little advice here will prob help steer a more intelligent conversation.
    FWIW, I restore antique wooden cars, lots of curves, mortice and tenon joints in big pieces of wood.
    Thank you, dkw
     
  2. Gary Caruso

    Gary Caruso OpenBuilds Volunteer
    Staff Member Moderator Builder

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    Hi Donald, typical low voltage dc spindles are not Brushless and they would require a separate PSU as they are about 500watts.
    If you really mean a brushless spindle you would need a vfd controller. the closest power to the 1.5HP router you have would be about 1500 watts (11A x 120v = 1320watts).
    When cutting the cutting is loud no matter what you have.
    BTW I have no idea if this is a good one listed below!
    Cheers
    Gary
    upload_2021-12-18_18-41-17.png
     
  3. donald k wilson

    Builder

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    Hi Gary, thanks for the fast response, this is very helpful. I used to have a large shopbot (10 years ago, lost in a fire...) with a spindle setup that looked very similar to what you have linked above. I remember it was not quiet but the craftsman router is just too loud for a sustained cutting session, its actually painful thru earplugs and muffs.
    This homework is actually fun, dkw
     

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