MPCNC ROTARY AXIS!
thingiverse
Laser on round objects. The wheel outside circumstance should be 4 times the size the travel you get on one rotation for the axis you are replacing. Example. If y axis moves 10mm every motor rotation. Then you Drive wheel need to be 40mm circumstance. c/3.14=D diameter would be 12.7388 Used 608 bearings. and one nema 17. Just wire in in replace of you axis. I replaced yaxis. I have slot wall on my bed witch makes aligning really easy. Just like the picture
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