- [Instructor] If you're working with
injection molded parts, a lot of times,
you're going to have some kind of snap feature,
or some kind of an undercut
to have two pieces snap together, or somehow connect
and we have a tool inside of SOLIDWORKS
called Undercut Analysis,
which will show us what's going on.
Go ahead and click on Undercut Analysis here
and you can see here, the pull direction,
or the directional pull.
I can choose a face, or a regional plane here,
so I'm going to go ahead and choose the top plane
and you can see there, it colors the model for us.
You can see what's happening here across the model
and, if we're looking for an undercut,
you can see right here, this little red patch here
is obviously below this surface.
So, here's an undercut here
and here's another one over here.
So, what's causing a problem here
is I can't pull the model apart this way
because this material here is pretty much covering
this lower section here
and there's no way for me to separate that model apart.
So, that's causing an issue
and we're finding it using this tool.
So, I can change the colors, I can turn things on
or off as needed, by switching these things
and seeing what's happening.
It's just going to make a real easy way
for you to evaluate your model
and see if there's something that's happening
that you weren't intending.
A lot of times, you are intending to have an undercut,
if you have some type of a snap feature,
or something like that,
but you want to make sure you don't have an undercut
if you're not planning on it.
So, this tool's really going to help out with that situation.
Definitely check it out and it's pretty straightforward
and easy to use,
inside of the Evaluate Ribbon bar on the top of the screen.