Now we're ready to go this direction here. So we have to turn this
and again we want to go positive a little bit this way, which would mean
your insert looks like this, exaggerated a little bit.
Looking at our print and process sheet, we're going to turn to diameter
0.747 to 0.758 - anything in that tolerance range
is okay. And we're going to use a micrometer to check it. So we look
at our print and that diameter goes back
two and a quarter inches. So what I like to do is come over here very
tightly touch this right here, so you don't snap it off, zero this. I
usually zero both accesses, if you don't need them, just so you don't get confused.
So now I'm going to come back two and a quarter and make a mark on there.
so
2.250 right, fourth decimal place we don't worry about.
You know I'm going to put a mark on there.
Now the reason I do that is - when I'm power feeding right now it's telling me
from here to that line on that dimension 2 inches 0.250. So when I'm power
feeding, when I'm getting close to that line to try and shut it off exactly
at 2.250, that's hard to do. And as we reduce that diameter, okay, that shoulder
gets deeper ,and if you hit that shoulder, so I like to shut it off a little bit
before that and then just bring it up here by hand, so you don't have that
crash situation. Make sense? So now we're ready to cut.
Change our direction.
That diameter is going to go down too
0.747 to 0.753
We will take several cuts.
Cut.
Now you can see we're coming up on that line a little ways.
Now I shut it off and I'm going to finish it up by hand.
-2.250, once you get the hang of that you'll be able to even get closer yet.
But at first you don't want to do that.
Okay
You know we're going to feed in another
say thirty thousands
Okay, we're getting ready to take our last cut now.
We'll check out when we get done to make sure.
Okay 751 were in tolerance at 747 to 753 so we're right in the middle of our
tolerance, okay. And it's a good idea to check it before you take
anything away from there also. So now we're going to get ready for
another diameter which is going to be
0.491 to 0.498, one inch back from the edge.
Now what I'm going to do. The reason why I had positive on the insert when
when I crank that handle out now it will square that edge up. Instead of
trying to get it perfect then you don't know. So I'm going to take up two or
three thousand more and come out.
Pretty close.