Coupler (Stepper to lead screw)
thingiverse
This design features a precise coupler, tightly secured to the axis and rotating smoothly while accommodating small angular errors. It utilizes 2xM4 screws and hexnuts for assembly. The STL files provided are for a 10mm lead screw and a ~6mm stepper motor axis, ensuring easy mounting of shafts with varying diameters. The screw/nut combination provides ample force for secure attachment; however, an optional lockscrew can be added if needed for additional stability.
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