On the Manufacture workspace toolbar, click Turning > Turning > Turning Profile Roughing .
The Profile Roughing dialog opens.
On the Tool tab, click Select to pick a tool. If you have not created a tool to use, in the left panel of the Tool Library dialog, pick a tool from the Fusion Library, the Turning Tools library.
On the Geometry tab, you contain the toolpath area in the Z axis, with a Front and Back boundary. You can extend the selected Front Mode or Back Mode by entering an Offset value.
On the Radii tab, adjust the area to machine in X. Set the start point of a cut on the Outer Radius and the end point of a cut on the Inner Radius.
On the Passes tab, set the Maximum Depth of Cut to a value appropriate for your tool and material type.
Optional steps:
To prevent roughing in the undercut areas, adjust the Grooving parameters.
Enable Even Depths of Cut if you want equal cut depths.
Enable Use Pecking to break longer cuts into multiple steps.
Click OK.
The toolpath looks as follows.
Roughing with Grooving set to Don't allow grooving.