EMC Acceleration

I have been fighting with EMC, My Mill, and My Cad software trying to
get a decent PC Board or engraving out of it all.

I would lose steps and the z axis would drift down while engraving or
while making a pcboard.

I called Sherline (my Mill manufactures) and they said to hook up a
counter weight. So after building a counter weight and pulley system
I still had the same error of the bit drifting down (My weight and
the head are almost perfectly balanced).

I was having some trouble with EMC and WinQcad and the programmer of
WinQcad said to use TurboCNC, so I set up TurboCNC using the .ini
file from the group. It worked perfectly!!!

I to have read up on and made changes to the EMC .ini file I have
come to the conclusion that the problem in in the accell/decell
movements.

When TurboCNC runs you can hear the motors Ramp-up move then ramp
down, unlike EMC where it is a fast move and steps get lost (because
of inertia?).

I have not been able to get a good cut out of EMC due to the Z axis
drifting down, but would love to see it work since it suits my need
better than TurboCNC.

Please let me know if you find any more details or a solution.

Thank you.