#1
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shaft coupling or timing pulleys?
In this moment I’m assembling my first CNC and I have some doubts about how to couple the motors to the axis, I’m going to build a small machine 70”x 40” x 20” and I have some 640 oz step motors and some screwballs to do it, however I wonder if it is OK to couple using shaft couplings or to use timing pulleys with some kind of relation, what is the best way to do it , thanks for your help.
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#2
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have you dig the forum yet?
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#3
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Yes, I did it.
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#4
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Its your choice really. The beauty of engineering is nothing is cast in stone.
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#5
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Ball screws are best connected with a coupler that will relieve any misalignment. Unless your ball screw is very coarse, I would not reduce the coupling.
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