hello,
have you tried exporting your files as
PLT HPGL plotter files ?
have a play,
when the HPGL export dialogue box opens opens
2nd tab 'PEN select pen 1 black
in the 3rd tab 'advanced'
make sure the curve resolution is ZERO
IF you can see the nodes in vectric, have a play with the curve resolution,
as it will ADD nodes if you do not enter zero!!! and do the jerky jerk