this post was submitted on 10 Jan 2024
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Why are 3D printers still stuck on stepper motors? Why haven't we transitioned to servo motors with encoder feedback for positioning?

Is it just too cost prohibitive for the consumer-level? We would be able to print a lot faster and more accurately if we had position feedback on the axes. Instead we just rely blindly on the stepper not skipping any steps when we tell it to move, hoping for the best.

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[–] towerful 14 points 10 months ago (9 children)
[–] [email protected] 7 points 10 months ago (8 children)

The print as absolute shit though. Literal garbage.

[–] [email protected] 3 points 10 months ago (3 children)

https://youtu.be/f5OHYZbrHjs?si=LruE_T63UnlSRWa0

This is as fast as I've seen for PLA while still retaining good quality. And he probably could go faster with more powerful motors or more of them.

[–] [email protected] 5 points 10 months ago (1 children)

Honestly, there’s going to be a hard peak to how fast a 3D printer can go, because physics. Unless we start running prints in a vacuum and start tuning local gravity….

[–] [email protected] 2 points 10 months ago

There will always be limits to how fast you can go. But as long as the average printer is not even close to whats doable there is room for improvement.

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