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  1. 15-03-2020 #11
    JAZZCNC's Avatar
    Lives in wakefield, United Kingdom.
    JAZZCNC
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    Quote Originally Posted by NordicCnc View Post
    Yes, the pulley sizes in the pictures are 20T and 40T. How many teeth need to be engaged at bare minimum? I have not yet found any supplier (I am trying to find those pulley's with taper lock) so for now during the design phase, I went with some sizes I could find on Ebay.

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    Different manufacturers quote different numbers but I think it's roughly 6 teeth before you have to start lowering the HP rating they can handle.

    However, your problem will be the smaller pulley size will limit the number of teeth based on it's Boss size and Motor shaft relationship. 20T / 40T sounds about right with a 14mm motor shaft, if it's 19mm shaft then you may have problems.!
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