Hi, friends
Today I run my Ruida + Lightroom first time, and I have shifting problem (see video)!
I use direct drive Nema 23 - belt drive, and stepper driver TB6600 (X) and DM556 (Y), I run it on 24v 1.5A (TB6600 is set to 32 microstep 6400 Pulse/Rev)
So after work of 2 min. x axis is shifted by 3mm, shifting occurs in line and in scanning mode
I see that problem happen often on floodfill, in other words the machine jumping arround is more prone for missalignment
But if it also happens with flood fill disabled, i would think you are skipping steps somewhere.
Checked belts tension and accelerations settings?
of course the make or break test would be to run the job at a absurd slow speed, to warrant acceleration and belts are not being stressed.
IF no fail there then you have a mechanical issue to figure out
If you start altering variables, you will add more sand in the cogs imho
The slow speed test seems quite easy to do and obtain confirmation
a) is it stream GCode data
b) is it mechanical issue
The problem is very visible when using Flood Fill, but impossible to diagnose if it is the skewed engraving issue because the segments are all over the place. If you run the test again without flood fill enabled, and it slants perfectly to one side, then it’s likely the PWM rising edge issue.