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Z-axis mount for NEMA17 motor (Darwin)

IMG_2289_display_large.jpg Z-axis mount for NEMA17 motor (Darwin)
Z-NEMA17-bracket.jpg Z-axis mount for NEMA17 motor (Darwin)
IMG_2286_display_large.jpg Z-axis mount for NEMA17 motor (Darwin)
IMG_2287_display_large.jpg Z-axis mount for NEMA17 motor (Darwin)
Z-bracket-NEMA17_skeinforge_behold_display_large.jpg Z-axis mount for NEMA17 motor (Darwin)
Z-bracket-NEMA17_underside_display_large.jpg Z-axis mount for NEMA17 motor (Darwin)
Z-bracket-NEMA17_fromabove_display_large.jpg Z-axis mount for NEMA17 motor (Darwin)
Z-bracket-NEMA17_display_large.jpg Z-axis mount for NEMA17 motor (Darwin)
Z-NEMA17-bracket.stl Z-axis mount for NEMA17 motor (Darwin)
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  • Z-NEMA17-bracket.scad
  • Z-NEMA17-bracket.stl

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Publication date 2022-10-04 at 09:13
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Published to Thingiverse on: 2010-03-05 at 10:07
Design number 871302
ERik

ERik

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Off topic but very important: Have you participated in the http://RepRapSurvey.org yet? If so, thanks a lot! If not, please do so!

On topic:
If you have a Z-axis that runs smoothly (e.g. by using bearings for the Z-threaded rods), there's really not much need for a heavy NEMA23 motor. For the Darwin's X and Z axis, a NEMA23 motor is only heavy and expensive. This is an alternative setup for your Z-axis to run it of the cheaper NEMA17 motors instead. For using a NEMA17 or your X axis, see my other thing:
http://www.thingiverse.com/thing:1525
This will also reduce the moving mass that the Y-motor has to move back-and-forth. You can then use a much lower current for the Y-motor or also replace it with a NEMA17.

For the whole Z-axis assembly, I've now got everything uploaded. I made parts to make a pulley, skate bearing brackets to fit onto the corner brackets.

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It's designed to work with tapered M3 bolts. They can probably be found in any hardware store.

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