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UBL issues #5923
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Yes. You are correct. That needs to be changed! UPDATE: It is not changed!
Can you do a G29 N W It would be good to see those numbers. That will help us figure the problem out. |
Hi Roxy, Connecting...
-0.76225 -0.26800 [ 0.03325] 0.18025 0.10250 -0.72500 -0.23425 0.01825 0.08475 -0.10425 -0.61625 -0.18300 0.08475 0.19425 -0.02050 -0.52650 -0.14700 0.14725 0.21625 0.03800
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When I set up a mesh... I first get my Z_PROBE_OFFSET_FROM_EXTRUDER set very closely to correct. And I start with the z_offset value at 0.0000 (And the only reason the z_offset exists in UBL is because it existed in the mesh leveling code. UBL really doesn't need it.) Is that the process you followed? Can you tell us how you did things? But even so... Even if you have your z_offset and Z_PROBE_OFFSET_FROM_EXTRUDER wrong... You should be able to edit and adjust the mesh such that everything works out correctly and you get good adhesion across 100% of your bed. |
My Z_PROBE_OFFSET_FROM_EXTRUDER is -2.20. I believe the probe reads at about this level below the hotend. |
This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs. |
Tried to get UBL working again today, but I've run into a couple issues.
Config file asks to define one of several z probe variants: servo, sled, fixed, etc. You cannot define FIX_MOUNTED_PROBE without getting compile errors, as there is no way to undefine servos. I tried to put NUM_SERVOS to 0, or to comment it out, but that leads to more define errors. It will compile if I leave FIX... undefined, but my machine has a fix mounted induction probe and no servos.
UBL docs clearly state:
"If you have too little clearance and not much plastic was extruded in an area, you want to LOWER the Mesh Point at the location. If you did not get good adheasion, you want to RAISE the Mesh Point at that location."
I have found that to be the exact opposite. I have to make the mesh points more negative in order to get the hotend closer to the bed (ie, lower Z).
After generating what I think is a valid mesh, and doing several G26 tests to verify, I tried to do a quick calibration print which air-printed several mm above the print bed.
Cheers-
Scott1326
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