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Mach4 General Discussion / Re: Line 0: Zero Radius ARC
« on: July 27, 2022, 06:02:50 PM »By the way, can I just take the G18 as I don't see how it does anything but confuse the issue?
The G18 is likely necessary for the arc down move in your program. I'm guessing your CAM software is using that to avoid a straight down Z move into the work. Lots of times CAM uses ramp down or helix down. Maybe you could check your CAM software and use a different method to move the Z down. Or put a G17 in the line after the G18 line just to see if that's it!!! If you could fix it in your CAM you'd avoid hand editing Gcode, something modern folks seem hate with a passion!!!