I’m trying to figure out the step / z-distance ratio on my ShapeOKO 4, if I understand it correctly, the Nema 23 motor has 200 steps per rotation, and each rotation the ball nut will move 1 unit of the ball screw pitch. Say the pitch is 2mm, the ratio will be 100 steps per 1mm.
For the Z-plus (leadscrew), it’s 200 steps/mm.
For the HDZ (ballscrew), it’s 320 steps/mm.
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