Controlling the "Z" axis direction on the MINI

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horbinsr
Posts: 3
Joined: Thu Jun 25, 2015 2:13 am

Controlling the "Z" axis direction on the MINI

Post by horbinsr » Tue Dec 08, 2015 2:33 pm

Has anyone ever tried to REVERSE the direction of the Z axis so that the build plate moves UP (closer to head) rather than down (as normal in FDM) during a print session? The direction would be set for the entire print session, not changed during a session. Can it be done with a hack or mod, so the Up Mini doesn't have to be modified?
Thanks, horbinsr

brainzilla
Posts: 141
Joined: Sat Nov 29, 2014 5:41 pm

Re: Controlling the "Z" axis direction on the MINI

Post by brainzilla » Sun Dec 20, 2015 12:07 pm

You could mess with the stepper-motor.
http://reprap.org/wiki/Stepper_wiring#M ... procedures

Reversing the wires gives you opposite drive.

Not sure what you are trying to do here though…
… destroy your printer? :D

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