Learn about moving tube splines and checking your tube bend radius
- [Instructor] Flexible tubing has many options of how it can be altered, since the tube is bendable and does not hold a solid shape. Our tubes are controlled by splines, so let's take some time editing and dragging the splines around, so we can figure out how to edit our tube route. Let's start by editing this route that we just created in the last video. I'm going to go over to the left, right-click on our sub-assembly, go up to edit route, and now you'll see, we don't really have a lot of points to be able to edit this spline at.
Therefore, I'd recommend going in, clicking on the route sketch, and now I'm going to right-click and select insert spline point. So, click in a few points along this line, to be able to give yourself more points where you can alter your route. After I'm happy with that, I'm going to go ahead and click the check mark. And now, I can go in and actually drag these points around to edit my tube however I want to. So you'll see, if you wanted to try to route around some of our other different fittings, it's easy to do that just by dragging and dropping, and you can also change the angles and alter your spline in other ways, just like you normally would a different sketch.
Now, there can be issues that arise when you do this, though, in case you actually go and exceed or go under the bend radius, so let's create an error. Now, notice it says local route spline radius is too small. This is not possible for our tube that we've selected to do. And now you'll see, the parts that are still okay are in this patterned yellow and pink, and at the bottom, the part that has too small of a radius is in red. This might even happen when you're doing an auto route.
It might not be able to find a solution for you that is within the bend radius that you required. So then you might have to have some manual editing to resolve that. All you'll want to do is drag around your spline controls and get it back to a point where it's happy. This might include adding more spline points to be able to get more control, changing the angles of the spline, anything like that. But once it gets back to this pink, you'll know that everything is okay to continue and to exit out. So I'm going to go ahead and exit out of my sketch, and exit out, and you'll see that it is back to a usable tube, and we've actually made a larger arc this time, in case that was needed for our specific design requirements.
Now, just a couple other things that you can edit as well. If you right-click on our route, you can go to edit route. Right-click again, and you'll see, again, some of the similar things that we had when we were doing tubing. You can add a covering, you can change the route diameter, and anything like that. So let's go ahead and add a covering to this route. Now, we're going to use the covering library. Let's use PVC electrical adhesive tape, just for an example, to see how it functions. You'll see it has a thickness in there of .2 millimeters, and we can go ahead and click apply, see that we have a covering layer there, and click the check mark.
Now, after I exit out of my sketch, exit out of the assembly, you'll see that we've added a covering to the outside of this route. It's changed color to indicate that this covering has been applied. Now you can see that we have a useful tube route and can move forward with our design. Next up, we'll look at changing this route by adding clips to our design to better guide our tube route.
- Sketching pipe in 3D
- Routing and auto-routing pipe
- Splitting and deleting pipe
- Adding weld gaps, slope, and penetration points
- Preparing pipe drawings
- Sketching and routing tubes