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Discussion in 'Troubleshooting' started by tiagomaricate, Aug 5, 2020.
I'm tunning all the settings and face this problem on the lateral of printing.
Check the gantry. You might have a loose belt or perhaps a bearing issue. The bottom pattern is more or less normal. The sides not lined up straight is not normal unless the model is specifically designed that way.
Maybe check jerk and acceleration?
Worth a try but the gantry style tends to not be affected as badly with stupid values of acceleration or jerk since it is a much more solid drive arrangement. It will just not move faster than it can and you end up with a LOT less drive lash than a belt driven system like the R1/R1+
Try reducing the flow rate. I have found that some times when the flow rate is too high the print head responds the same as rubbing your finger around the edge of a wine glass giving vibration which manifests in the print.
I'm doing a lot of tests changing the jerk and speed... soon I back to show the results.
Geof had told me that my bed must not be flat, so I put down a 1/4" glass plate and it fixed the waviness. I now use the flexplate system with a micro-porous glass plate on top. I set the hotend height such that it is not over extruding on the glass and I no longer have any wavy. I think wavy is caused by bad leveling and/or uneven print surface.
But the wavy is on the lateral, related to the X/Y axis
Make sure none of your bearings on the gantry are sticky or (even worse) loose.
My bad, I only read the text, I did not look at the pictures.
They are ok (I think).
The aluminum plate was designed for two hotends. When placing only one hotend in it is possible to distort the plate so it does not grab the single hotend well in all axis. Try moving the hotend around and see if it is loose in any axis.
If it is, my solution was to cut the top off of a broken hotend and glue it in the unused hotend hole. This gave me a more solid mounting.