hello all,
I built cnc oxyfuel cutting machine for cutting 3 mm ms sheet mostly circles. I used MACH3 for controlling.
It cuts the sheet fine except the speed. The manual cutting use tilted torch along the cuting path so as to cover more distance. hence the speed is more approximately double. I m thinking of tilting my torch just as bevel head with stepper motor for control.

The problem is for simple shapes i can write G codes manually to control the torch heading forward all the time, but for arc or circle how can I command the torch ( Z axis used ).

PL help.

deepak