Terry, I can feel your pain.

There is nothing wrong with Fanuc or any other machine control. The issue is 
with the legacy CAD/CAM software that chose to try to move cutter comp out of 
the machine and into the cad/cam suite. This was a easy way out for the cam 
software developers, just as is tool paths that are a gazillion lines instead 
of true arc commands.

Very modern CAD/CAM is knowledge based, it learns your programing techniques - 
those programming styles need to evolve.

25 years ago I started programming CNC mill code for Bandit controls, those 
controls did not have cutter comp as an option ( I think it was out but at a 
huge cost to upgrade. ) Later when I started dealing with machines with true 
cutter comp I always used true tool radius / exact part geometry. The numbers 
from my programs can be used without modification to generate prints. There are 
numerous benefits. Lets say a tool path was written for a 1/2" tool, but you 
only have a 7/16 available. The program will run just fine as is with only the 
tool dia ( radius) value changed in the tool table.

I run these programs on Fanuc and Okuma without issues. You should not have to 
lie to the machine, (at least not too often.)

I know this will be an ongoing issue for those want to just import a file then 
export G-code without any real thought involved.

Greg

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