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My calibration at my printer is okay. When I try to move 10 mm, it's exactly 10 mm.

But I want to know what is my precision for Z-axis.

(not posting the link of the product maybe it's not okay for the platform)

Spec for leadscrew:

  • Lead screw diameter: 8 mm
  • Screw pitch: 2 mm
  • Lead of thread: 8 mm

calculator page

My question; is my gear ratio 4:1 or 1:4? It's giving different results.

0scar
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ahmetertem
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1 Answers1

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Your lead screw nut advances 8 mm every complete rotation of 200 full steps, so a single full step would change the height by 8/200 = 0.04 mm. This implies you need to set the layer height a multiple of 0.04 mm.

The gear ratio of 4:1 (a reduction) is required to get to your desired 0.01 mm layer height, but that is a very uncommon and a too small layer height to use.

0scar
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