Thanks John,

i been fiddling with the settings in MACH since the screw changed from 8TPI to 4mm pitch. so i am guessing this is the area of problem.


PS, assembling the PCB this afternoon to test. will keep you posted.

Quote Originally Posted by John S View Post
Roy,
Have you tried any other settings ?
How are you connecting the motors to the screws ? Oldhams or lovejaw type couplings ?