Sorry, I don't understand the question. In the boudary dialog, the Face option is a way to define the boundary by using the face edges. This is not a face to be machined.
If you are trying to machine a face, I would use area milling or streamline drive.
I agree with topic starter! In NX9 if I want to use face edges as boundary - I select face. Not working in NX10...
I followed the pictures in the original post. After setting the boundary mode to face, I pick a face, and a boundary is created around the edges. Not sure what I am missing here. Can somebody post a movie that shows the problem?
Thanks for your help, Maybe my NX softwart have some error. Now, I understand how to choose, but I see the toolpath of the fix contour using boundary method look like the toolpath using area milling, I don't see the difference between two method (boundary and area milling). Can you help me to make a video about difference between the toolpath of two method?
Surface Contouring is very powerfull, but it takes training and experience to understand all the differences between the drive methods. A good start would be the Die Machining and High Speed Machining tutorials found at Menu > Help > Manufacturing Tutorials.
Generally, the system uses the drive method to create the path to be projected on to the part. Some of the methods are newer, and should be used if possible instead of the older methods. Here are some general comments on selecting a drive method:
There are times when you may need to use some of the older methods...
@MarkRief: Can you help me to make a video about this operation? Because after I set the boundary mode to face, I can't choose any face in the part? I am using NX 10, thanks very much!
All boundaries are planar. If you are using the face mode inside the boundary dialog, then the face must be planar. Is that the issue?