discharge throat problem.

[Vit1]

Good morning, everyone.
I should insert a drain throat at the end of a thread, made on a tree. the control generator trees with relative automation to generate threads and exhaust gorges can not give me a satisfactory result.
I'm sorry if you can tell me how this command works? in the guide I found nothing useful.
Thank you!

 

[GiGa]

How should it be to be "satisfactory"?

 

[Vit1]

How should it be to be "satisfactory"?

Thank you for the answer!

the standard of reference should be the one 4755 and the representation that I expect is this:
what I get with the software using the throat option at the end of the thread is this:

 

[MassiVonWeizen]

As long as it hasn't cleared it long ago, the standard in the content library is the din 509 equivalent to the uni4386 and refers to the rectification throat.
However to me a result like the one you post is not coming