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Circular interpolation on rotary axis

We're trying to utilize F360 to engrave a pattern wrapped 360 degrees on a cylinder around a 4th axis with G02/03 output. I'm having trouble getting the post processor to output G02/03 and think it may be the tool path.

 
I've got the path tolerance and smoothing tolerance both set to .0001, and have tried adjusting the max circular radius (up) along with min chord length / min circular radius (down) in the post processor. Usually this will force circular interpolation but it's not working here.
 
Is there anything else I should look at before digging into the PP?
 
Machine: Hardinge GS 200 MSY
Controller: Fanuc Series 18i-TB 
PP: jyoti ax 200-msy fanuc.cps 
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