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  1. Quote Originally Posted by Cret View Post

    In respect of the drivers and the current they can output & the rating of the motors, do the motors only pull the full rating when a load on them demands that? Or do they somehow draw that constantly? I'm not quite sure how that works sorry.
    As a general rule the power supply should be rated at 60% of total peak current, so 60% of 3 x 4.2A = 7.6A

    Switch mode power supplies are not best for CNC work, linear supplies handle the peaky nature of steppers better and are easy to build.

  2. #32
    Quote Originally Posted by Cret View Post
    On another note - looks like someone already started doing 3D printer produced stepper mounts:
    Stepper Motor Mount Nema23 for Homemade CNC Router | eBay

    So will see if I can find design files somewhere....
    Flimsy. You have a milling machine - use it.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.

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