cnc router x axis starting before y axis finished when pocketing ?

[JAZZCNC]

I contacted him about the problem that is the subject of this thread, and he advised me to go to General Config in Mach3 and check the 'turn off cv in corners'. I've done that but haven't had a chance to try it out since.

That's like sticking a plaster on a wound that needs stitches.? The machine should easily handle cutting a 10mm radius at 3mtr/min and to prove this here's a video of your code cutting the first part, I stop it before cutting the outside profile. Ignore the other slots that was me messing around with G-code to cut away the holes and profile shape, the video is your code untouched.

Turning off CV in corners will at some point give you problems elsewhere, ie: large arcs If the code uses segmented lines for arcs, which this code does.
In this code, only the small circles use G2/G3 moves for the radius. The slot uses G1 moves which means the corners are made up of very short lines so if this had been a large radius and you turn off CV in corners those little lines will cause the machine to shake and shudder as it stops n starts at the beginning and end of each line.
If you want to see this happen then before running the code type G61 into the MDI which will put you in exact stop mode. Now the machine will most likely shudder in the corners or be very jerky. Type G64 to go back to CV.

Now I've got into many arguments over these Ebay machines and their flimsy build quality and low spec but it's little things like these that really show up the difference between a good machine and a poor one. Any Router worth it's salt should easily do this, now I'm not saying it won't do this but if the guy who set up the machine knows his stuff then it should be capable of doing it and he would set it up that way, so if it's not then I'd be wondering why not.?