- [Instructor] Here, I want to discus using shaft and groove.
Again, if I have a set up with the positive and negative,
or the adding of, and the removing of material.
So, for our revolve parts,
we have shaft, to create and add material.
I'll select the shaft icon,
select my sketch.
Once I have my sketch selected,
you'll notice that, at the bottom,
I have axis selection, okay?
Now, as I go through these menus,
you'll notice that I get
these little yellow exclamation points.
This is indicating that I have to fulfill
the requirement in order to make this feature.
So, for my axis,
I'm just going to select this vertical direction in my sketch.
You'll notice as soon as I select that, gone.
Preview, and there's my material, created.
If we go ahead and undo this,
just control z on the keyboard.
If you had drawn in, double-click on that sketch,
an axis through that center line,
and exit out,
you don't actually see the axis outside of the sketch.
But, when I go into my shaft,
you'll notice that it automatically
selects that sketch axis.
It knows, because you have drawn that axis in,
that it's going to revolve automatically.
You no longer have to specify the vector
to revolve around.
Now, something that every designer
should be made aware of
is the right hand rule.
So, the right hand rule
for axis of revolution in this, applies.
So, whichever direction you draw your axis in,
is the axis revolution based off of that right hand rule.
So, if I go and I want to go 180 degrees,
for example,
instead of a full 360,
you can see that my revolution
starts out at my zero,
goes up 180 degrees.
I can also do segments.
So, if I wanted to go 45,
and 45 in the opposite direction,
you can do that, as well.
If I select the more button,
these are the thin shaft,
similar to your pad and pocket.
You have the ability to use open profiles,
you can just turn on the thick profile function.
So, in this case, just cancel.
I'm going to double-click on this,
delete these elements,
exit out,
shaft.
It's saying, hey this has to be closed off,
unless I turn on the thick profile.
Unlike the pad and the pocket,
this doesn't tell you to turn on the thick profile.
It just says, hey you have to have a closed off profile.
But, you can obviously use
the thick profile to make a solid out of those curves.
And once again, just enter in the value you need.
You have neutral fiber,
if you want that to be the center.
If not, just turn that off
and go however far you need to,
in either one of those directions.
Select okay.
Now, as far as creating
the groove,
pretty much identical to the shaft.
So, I'm just going to go ahead and make a sketch, here.
I'm going to draw my rectangle.
I'm just going to use the original sketches of reference.
Constrain this,
(computer key tones)
draw in my axis, once again.
'Cause this is a new sketch,
it's not going to have the axis embedded
from the previous sketch.
Exit out.
And, here once again,
I can simply just go into groove
and it's going to now remove that material.
So once again, shaft creates and adds material.
Groove, creates and removes material.