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  1. 06-04-2015 #11
    Sven's Avatar
    Lives in a, Netherlands.
    Sven
    Last Activity: 07-05-2020 Has been a member for 9-10 years. Has a total post count of 46. Received thanks 4 times, giving thanks to others 0 times.
    I can't follow the reasoning for not using steel, except for silyavski reasoning. If the gantry is steel, 7-10 kilo'sfor the z-axis will not make things that much different. Except for stiffness!

    If the machine is for wood and this big, acceleration is less of an issue than top speed and for top speed stiffness is paramount. And all is designed to be stiff, except for this z-axis....

    Besides, you can get 20 Nm steppers of the shelf....
    Last edited by Sven; 06-04-2015 at 07:20 AM.
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