another machining
It work better or My knowledges are better 
That looked like it was cutting good to me. What is the rest of your machine like?
I use Mach3,
Motor: PK299-F4.5A Stepper 880oz/in on 80volt DC
Drive motor: Gecko
Ball screw, 5turn / in
USB Controler: http://leafboy77.tk/index.php/en/