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  1. 07-05-2015 #30
    Boyan Silyavski's Avatar
    Lives in Denia, Spain.
    Boyan Silyavski
    Last Activity: 15-04-2024 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,049. Received thanks 333 times, giving thanks to others 55 times. Made a monetary donation to the upkeep of the community.
    Quote Originally Posted by CNC Visions View Post
    Thank you very much for a very informative explanation on motor selection.
    I'm upgrading an older machine that had two motors driving X axis gantry. How do I calculate the motor size with two motors on the same axis? Is it a simple as dividing by 2?
    Gecko recommends a 40% increase in motor size from base calculations, do you agree?
    Thanks again
    Mike
    Not so simple. First you need to know the moving mass. Then the desired speed and acceleration. Then you decide the motors and the ratios. Then you check if your BOB can cope with that. Then you check what your resolution will be. Some back and forth between all that and a final decision. At least that's my logic.
    Last edited by Boyan Silyavski; 07-05-2015 at 02:03 PM.
    project 1 , 2, Dust Shoe ...
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