over extrusion and under extrusion on the same print
Hi all,
I have a print that on one side is over extruding almost to the point of failing and on the other side has areas that don't have enough extrusion.
Seems like too much plastic on one side of the print and not enough on the other.
Why would this be? How to fix?
9 Replies
Could increasing speed or acceleration be the cause?
This is the 2nd print, the first one completed successfully and one of the few differences was speed and acceleration rates.
rival-black•8mo ago
I have the same issue myself on my vcore3 500. Best thing i can guess is warping of the bed or gantry. Looking at my Mesh maps before and after prints do show a difference at times. I am hoping this mod will help with it. https://www.printables.com/model/230716-ratrig-v-core-3-extrusionless-x-gantry-mod
Printables.com
RatRig v-core 3 extrusionless x-gantry mod by elcojacobs | Download...
V-core 3 mod to remove the aluminium extrusion from the x-gantry and run on just the rail or a top and bottom rail | Download free 3D printable STL models
I have already installed this mod and glad I did, didn't help here though.
stormy-gold•8mo ago
@gywilo
It also looked like this for me. I then converted to dualrail mod but since it got worse so I designed my own. It got a little better but didn't go away.
Ultimately the problem was that my printer wasn't standing flat on the floor.
Then I mounted adjustable heavy-duty feet and the problem was gone
rival-black•8mo ago
Well that kind of stinks was really hopping on that, still going to do it though. Already flattened out all that i can and it has improved but its still there.
Hmmm, interesting, maybe the cause of the problem was different for you and me.
I've been able to resolve this issue, and am really happy with the top surface I am getting now.
I'm not exactly sure what actually fixed the issue, but I added the UHF nut to rapido, then re-tuned the printer, changing temps speeds and EM settings.
I'm all for the dualrail mod. Keeps consistent Z distance offset. Quality over speed for me.
rival-black•8mo ago
Agree to that