That’s backlash. Add an M425 to your job header in Lightburn with the correct amount of backlash.
So I think the minimum step you can take with the jog controls is 0.02mm. You can put a calibration card under Z and jog it so there’s friction, then set a custom increment of 0.02mm and jog up. If there’s no change in the fiction that’s the backlash.
A similar test can be done on X and Y with this: https://www.thingiverse.com/thing:2040624
However, that has adhesion problems and wasn’t super pleasant to print. Any more I use the laser and engrave a circle:
[image]
You can see as the compen…
However, if your backlash is much more than 0.02mm you have a hardware issue and should consider disassembling the wobbly axis and tightening up the eccentric nuts following sdj’s wonderful guide:
Finally got a chance to pull it apart. (I swapped one of the Y’s with the X to get by).
Arnold’s video was helpful, but incomplete and also a couple things wrong.
I didn’t have time to make a video but I took a couple pictures.
Here’s the procedure (note that this is how I did it and not official. Since all I got from support was “Need to adjust the sliders” and “it’s difficult” I’m considering that as sufficient instructions that I can proceed without voiding my warranty. Proceed at your ow…
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