this post was submitted on 12 Oct 2025
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Has anyone run two nema dual shaft motors mechanically coupled in series? the Ender 5 plus uses a dual shaft to drive both Y axes, and I'm thinking of adding another, in series, coupled with an elastic coupler.

Thoughts?

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[–] neidu3@sh.itjust.works 2 points 7 months ago* (last edited 7 months ago)

This. At least on my printer the single X and Y steppers seem pretty fast. I fail to see how additional steppers would make for much of an improvement.

"Standard" steppers are pretty strong, and the main issue is how you switch coils back and forth until it's at top speed, and that will not be helped by adding more steppers.