With our outer race, inner race and role are complete.
We're ready to model our cage,
which will be the last part in our tapered roller bearing.
As with the other bearings, the tapered roller bearing cage is used to keep
the rollers properly spaced out when the bearing is in operation.
If it wasn't for the cage, all of the rollers would bunch up
on one side of the bearing, rendering it useless.
Our cage was made out of a single piece of form to press sheet metal.
We'll start by creating our basic part with a revolving bar space,
and then in our next video,
we'll cut our roller pockets and set our material and appearance.
Let's start by opening up a new sketch on the right plane
where we'll create our profile for the Revolve.
We'll start by making a central line
from the origin running along the x axis.
This will serve as our axis of revolution.
And now we're just going to sketch out
our basic profile.
So it's going to taper downward,
and then there's going to be a lip in the front
like that.
And we'll just
close up the lip and then close our loop.
Now we know the overall outer diameter for our cage
is going to be equal to 56.11 millimeters.
Our overall length of the cage
from an face to face is going to be
15 millimeters.
The length of our front lip here
is going to be two millimeters,
and the thickness of our cage
is going to be one millimeter.
So we will set that on both ends
like so.
And we need to fully define the angle for our taper here.
So we're going to create a new center point line
that runs from the start point,
and we will set this angle to be 16 degrees
and we will set our top point
to have a vertical relationship with the origin
by holding control and selecting both points
that fully defined our sketch.
But we want to add in to the corner fillets
for this corner and this corner because this part is supposed to be
a sheet metal part which wouldn't have sharp corners
like this.
So we will go to sketch for it
and we will create 2.5 millimeter fillets
and we'll just
select both edges to create the corner, fill it.
And again,
our profile is now complete and fully defined.
So we will exit our sketch
and create our revolved bar space.
We'll select our centerline for the Axis of revolution
and hit.
Okay.
Our basic profile
for our tapered roller bearing cage is now complete.
In our next video, we will create our roller pockets
and set our material.