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Direction of z-axis

Posted by flydeprutten 
Direction of z-axis
November 05, 2017 12:15AM
Hello everyone.

I have a small, and a bit stupid question. confused smiley

I am setting up the controller on my new printer, and I realize I do not know what's up and down on a corexy printer. My design is a normal CoreXY, but I do not know which way my z-axis should move when I press plus in my control program. I think there may be arguments for both ways, but I can not find an answer online. smiling smiley
Re: Direction of z-axis
November 05, 2017 04:33AM
Pressing + must increase the distance between the nozzle and the bed. So if it is the bed that moves in the Z axis, pressing + should move the bed down.


Delta printer calibration calculator, mini IR Z probe, and colour touch screen control panel: [escher3d.com]

Large delta printer, and other 3D printer blog postings: [miscsolutions.wordpress.com]

Disclosure: I have a financial interest in sales of the Panel Due, Mini IR height sensor, and Duet WiFi/Duet Ethernet [www.duet3d.com].
Re: Direction of z-axis
November 05, 2017 06:13AM
I wrote a blog post on setting up firmware for a coreXY mechanism. Examples are based on Smoothieware but the principles apply to any controller, only the syntax changes.


Son of MegaMax 3D printer: [www.instructables.com]
Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]
Re: Direction of z-axis
November 05, 2017 01:29PM
Quote
dc42
Pressing + must increase the distance between the nozzle and the bed. So if it is the bed that moves in the Z axis, pressing + should move the bed down.

Yes of course. Otherwise, all my g-code would have to be rewritten before it was printed. I was just momentarily confused by the graphical interface. smiling smiley

Quote
the_digital_dentist
I wrote a blog post on setting up firmware for a coreXY mechanism. Examples are based on Smoothieware but the principles apply to any controller, only the syntax changes.

This is worth gold right now. It will save me a lot of trial and error when I configure the printer. I certainly have not regretted that I have made a CoreXY. There are factually many challenges in this printer. Especially when you have zero experience with 3D printers, or building anything of this type at all. smiling smiley
Re: Direction of z-axis
November 05, 2017 06:58PM
I you find anything that isn't crystal clear, let me know and I'll edit the post.


Son of MegaMax 3D printer: [www.instructables.com]
Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]
Re: Direction of z-axis
November 06, 2017 11:26AM
As with most CNCs, programming is based on moving the head (tool).
What actually happens is dependent on the architecture.
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