Hello
I just make some experiments (simulation) to drive a motorized knife on A axis with Mach3.
Seems to works with a basic engraving GCode made with Cambam, except that the management of arcs is buggy so
a post processor with "convert to line" enabled is required (the same as for Wrapper)
Settings:
in the setting panel- enable tangential control
- give a value for "lift angle" (perform a Z move then rotate the knife if angle is larger than the given value)
- give a value for "lift Z" (=
relative Z clearance from the actual position)
- set rotation radius to 0 for A axis.
Ports&pins > motor output- enable A axis
config > toolpath- disable "A rotation enabled" (if not, the display will be wrong)
- enable "Use rotation for radius"
On the video, the speed is lower in the arc, it's because my settings stays the same as for my "real" 4 axis that run at 7 RPM max ... it rotate too slowly to achieve the feedrate requested ...
https://www.screencast.com/t/usFv95MjPhyQ
++
David
