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C Axis Lathe Trying feed in below center line


Cast Iron
Jun 9, 2017
Trying to machine a oval shaped flange od on a bushing prox 4.5" dia. Using Fusion 360 for this, the software only will let me start the profile from feeding in 5" below center, which obviously the lathe doe snot go that far below zero. If there a setting to move this? it is a contour tool path, will not let me select between climb vs conv. either.
Assuming you are using polar coordinate interpolation, if you give the tool a reference/clearance point at a positive value before enabling the cycle, the tool will remain on the positive side of the axis.