NX Cavity Milling - Allow Undercutting

Cavity Milling - Allow Undercutting Parameter is not on the dialog.

It's recommended to turn on "Cutting Parameters" by selecting "Options" - "Customize Dialog".

Select "Cutting Parameters" to add it to the Cavity Mill dialog box.

See image below...Cutting Parameters has been added to the dialog box.

Edit the Cutting Parameters --> Expand "Legacy" group --> Uncheck "Tolerant Machining"  Please see image below...

As noted in the image above.... when "Tolerant Machining" is unchecked..."Allow Undercutting" is available.

Select "Allow Undercutting" to activate.