severe gantry twist and how to solve this...
Hey there...
VC4 300 IDEX.
I have a severe gantry twist. I had bad resonance screens and strange belt tention graphs as well.
So I did a bit of research and found the Gantry twist (Core XY + hybrid) from the commissioning guide.
To tell you in advance, I did purchase the printer used, so I did not built it myself...
I tried the steps in the commisioning guide, but even without any belt tention at all, the left side of the gantry some how bounces back from the back... I don't know why and how to solve this. Maybe someone could help me here a bit?
A link to a video showing the issue is here to my onedrive (due to size): https://1drv.ms/v/s!AjZ8BjPBmb16l_E50sjIblzSf4RbUQ?e=a9DStf
Thanks for any help in advance...
6 Replies
Did you try loosening the gantry joiner bolts and trying to align them that way?
which exactly do you mean?
As per commissioning guide: Gantry twist (Core XY + hybrid) about middle of the page: https://docs.ratrig.com/v-core-4-0/commissioning-guide#C-configuration
Oh yes, this I tried.
The gantry can be pushed back on both sides, but with the belts I'm not able to force it into this position. It kind of snaps back directly.
But yesterday I found something else. It seems my MGN rail on the x-Axis is applying some force.
Trying to reposition it a bit, seems to make things better.
Test prints are inbound
Good luck!
so it got a bit better, but I think there are some more issues with this printers physics....