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Already up and running? This course is the next step in building your Autodesk Inventor skillset. Author John Helfen takes you through the interface and key processes of this parametric design system, including sketching, part modeling, assemblies, and drawings. Each process works in conjunction with the rest, allowing you to create parts and assemblies and document them in a way that they can be manufactured. Learn how to set up your project file; create and modify geometry; create extrusions, sweeps, and lofts; build parts with placed features and patterns of features; and create iParts and iFeatures. John also covers assembly visualization techniques, drawing views, and balloons and parts lists.
The course was created and produced by John Helfen. We're honored to host this training in our library.
We're now ready to look at the fillet placed feature and the chamfer placed feature. Both are ways to modify edges of a part. And, that's why I like to show them together. They're generally created in the same way and offer some of the same functionality. To create a fillet, you can go to the Modify Panel. And select Fillet. Or you can select an edge that you want to make a modification to and the heads up display will provide an option for a fillet or a chamfer. As I mentioned, we'll start with the fillet option, and fillets are generally pretty simple.
When we select an edge and select Fillet. We get a heads up display that gives us all the options we need for creating many different types of fillets. We're not going to go into all of these. But, it's important to know that you have the ability to create constant radius fillet sets, variable radius fillet sets and set-backs. We're not going to cover all these because I don't find that they're essential. But knowing that they're there is going to be a benefit. Generally, what most people are going to be doing is selecting a specific edge and then just adding additional edges to that.
You can add outside edges or inside edges to any line in the model to add a fillet. You also have the ability to set a specific size for that fillet. I'm going to drop this down a little bit to 0.18 oh sorry not 1875. I'm going to drop this down to 0.1875 and you'll notice that the model updates and I have a preview. By clicking the green check box, I'll add that fillet to the model, and you can see here it shows up as a placed feature in the browser.
If you'll look at it from the right you'll see the curvature here, and you can see the curvature from the top. Creating a chamfer is very similar. If we select an edge, we can select from the heads up display the chamfer option. By default, inventor chamfer setting is going to be set to equal distance. Which means, from this edge move an eighth of an inch in one direction and an eighth of an inch in the other direction, creating essentially a 45 degree angle for this chamfer. If we rotate around to the back side of this, you can actually see that chamfer.
It's a straight cut off of that edge. The other options we'd want to look at in the chamfer tool are the ability to control the distance in the angle or two distances. I'm going to focus on two distances. I think it's the easier one that you may use from time to time. What two distances offers is the ability to select an edge. And if we zoom in a little bit, you can see that this orange item is indicating that we're defining the distance for that. And we can select that here and enter 0.25.
And you'll notice that the angle changes because the distance from that edge is changed. I could also. I can also swap those with the arrow buttons here. What that does is simply changes the direction, and swaps those distances so that you can toggle back and forth. This will help in case you by mistake enter the wrong value into the wrong field. If I toggle that back and click the green check mark, you'll notice that I now have my chamfer on the model. In this case, it's set to an eighth inch down and a quarter inch over which is exactly what I had set.
Again, fillets and chamfers are generally pretty easy, and a general rule of thumb, I typically don't encourage people to add fillets and chamfers to the model until most of the modeling work is finished. From time to time, as models get more complex, Fillets and chamfers are really just added information that gets in the way during the design process, so I typically would recommend that people save those until the end of their design, unless it's required for a specific design.
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