Next we need to machine the central groove and to clean the corners/angles. This is because the previous operation left material in these areas due to the corner radius of the insert used. It is possible to do both tasks in a single operation using the Groove strategy to remove the excess material.
Turning panel
Groove
.
Tool tab
to open the Tool Library. Leave the rest of the values at their defaults.
to close the Tool Library dialog.
Geometry tabNow remove the material the previous operation did not remove.
Passes tabThe parameters in the Passes group control how the grooving toolpath is calculated.
at the bottom of the Operation dialog box, or right-click in the graphics window and select OK from the marking menu, to automatically start calculating the toolpath. The toolpath is now calculated and a preview appears in the graphics window.

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