In siemens nx, delete edge command use to delete an edge or chain of edges from a sheet body to remove an interior or exterior boundary. You can use it to remove a hole, or to untrim an exterior boundary.
Where do I find it?
From menu: Inset -> trim -> delete edge.
From surface tab: Surface operations group -> More gallery -> trim gallery -> delete edge.
How to use delete edge command.
1. Select delete edge.
2. In delete edge dialog, select edge option active, In the window graphics, select edge you want to delete.
3. Click show result to see result.
4. Left click OK or apply to complete.