We were successful Rigid Tapping under Mach3

We weren't able to utilize the normal G84 GCode as that is setup for an unsynchronized floating tap technique. Instead we set the Tapping Parameters in Variables and called a Macro M84.

For a description see:
http://www.dynomotion.com/Help/Mach3Plugin/Mach3RigidTapping.htm


yantra3d made a cnczone post about it

http://www.cnczone.com/forums/benchtop_machines/125999-grizzly_x3_rigid_tapping_1000rpm.html#post924876

and a video

http://www.youtube.com/watch?v=ZaKN-DocVe0

Regards
TK