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  • by the way that's a very nice setup ou are making!

    i made my mill with what was lying around at my job (yes I am SO lucky :-) 

    at this moment another er20 chck is on it's way to belgium for spindle version2

    have a look here for balancing. 


    have fun building! 

  • Thanks :-)  it's a 20 million gigawatt Rc car motor (hobby king spec...about $75)

    with ER20 spindle from china 


    and two very expensive ball bearings (when you NOT buy them from this guy ) http://www.abtbearings.cn/

    you will need these SKF 7004CD/P4ADGA. try to find them cheaper :-)

  • How clever! It took me a moment to work out this was probably a ducted fan drive motor used in a spindle.

    I am currently constructing a Momuscnc unit. Though initial work will be with a laminate router, I plan to make/buy a proper spindle for detail work, like pcb routing.

    Very nice!


    momus CNC | benchtop DIY router plans | home page
    Momus CNC provides plans and documentation to construct a DIY desktop manufacturing equipment such as our fully enclosed precision 3 axis router
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