Wobbles in Y, too much accelleration?

[BaronPork (Ignas K)]

I’ve posted more extended version of this in general hardware forum.
Refer here:

I might have electro-mechanical problems, jitter in cuts

This is gonna be a long one. Several days ago i received my cutter. Giddy as all hell. Machine specs: Yellow/Gray round front case, controller set in at 45deg angle. Ruida RDC6442s controller CDWG 80W tube (replacement to EFR 100W pending shortly) PSU MYJG100W (non-LED) M415 stepper drivers, Nema17 motors, Y dualshaft thicker than X head one. Will get specs later (if there are stickers on them somewhere) Air assist pump, water bucket/pump for start. No idea about lens/focal length at th…