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Part feature introduction

From: Inventor 2014 Essential Training

Video: Part feature introduction

We're now to the portion of the course where Now we're ready to start looking at the I'm going to right-click first and select Extrude.

Part feature introduction

We're now to the portion of the course where we're going to start talking more deeply about part modeling. We've seen bits and pieces of part modeling throughout the sketching portion of the course. Because when I teach Inventor, I want to make sure people understand why we're sketching and why we're part modeling, and the connection between the two. So I always introduce part modeling at least at a basic level even in sketching. I think it just provides a better context. Now we're ready to start looking at the differences for types of parts features we can create. I'm going to create a new part to show this.

I'm going to click New on the toolbar. Select standard.itp as my template and click Create. I'm now in a blank part file. And I want to explain the difference between sketched features and placed features. The very first feature you're going to create in any Inventor part model is a sketched feature. What that means is, you have to create a 2D shape that you can apply a 3D modeling action to. I'm going to in this case create a quick rectangle. And you don't need to understand the steps I'm taking.

I just want everybody to understand the concepts, and then we'll get into the details as we move further along in the course. I'm not going to even add dimensions here. I'm just going to simply draw the shape, and show that we have a couple of different modeling actions that we can take on this shape. I'm going to right-click first and select Extrude. And what you can see is the shape that I created is now selected, and it's extruded to a depth of one inch. I'm going to hit Cancel, the red X in the heads-up display, and show that if I right click and select Revolve.

I can take that same shape, but instead of just extruding it to a depth, Inventor asks me for an axis. And I can select that axis, and you can see that we will revolve that shape around that axis to create a cylinder. I'm going to go back and right click and select Extrude again, just to get our cube shape. This will allow me to show sketched features and placed features. In the browser, you can now see that I have my first extrusion. And the plus symbol next would click, exposes the sketch that drives that feature.

This is a sketched feature. We can continue creating sketched features throughout this model, and that's how design happens. It's a repetitive process of sketching features and adding or removing material to sculp the shape to the final result. If I, for example, select the top face and sketch on it, it projects the edges. I can then go ahead and create a new shape. In this case, I'll just add a simple circle which I can then finish the sketch and apply a modeling action to. I'm going to again extrude this shape.

Let's set it to distance of 0.5. And you can now see in my browser that I have two sketched features. Each are being driven by the sketch underneath. You can always go back and edit those by double clicking on them in the browser, and potentially, perhaps move this over a bit. I could add dimensions, I could change it's size. But the point is the sketch underneath it is what is driving the overall shape of the model. Placed features, on the other hand are different in the sense that they don't require sketches. They're actually placed on the model.

So what is required for placed features is actually physical edges or physical components within the model. The most commonly used are, Fill it and Chamfer, most likely. Potentially whole, but whole is a little bit different in the sense that it can placed or sketched. It's very unique in that sense. We'll start by looking at the Fill It command. If I select an edge, I can use the heads up display to round or fill it that edge very easily. I can then adjust the size of the radius so that I can define exactly what I need in my design.

The other option would be the Chamfer command. It simply slices off the edge at an angle, at an equal distance to both sides. And you can change that. You can do different angles or different distances on each side, but the default is an equal distance, Chamfer. You can now see that we have, in the browser, placed features. The difference between the placed features and sketched features, as you can see here, are placed features don't have a plus symbol next to them, because they're not driven by a sketch.

You can still go back and edit these by double clicking it. And you'll notice that when I do that, the chamfer is grayed out. And the reason for that is the chamfer didn't exist when we first created this fill in. So I can now go back, and I can change this to maybe a quarter inch, hit the green check mark, and you'll notice that the model updates. I could do the same here with the chamfer as well, I could even go back and add additional edges. You'll notice I'm in the Edge command. I could select an additional edge to edit that and add new chamfers to that specific feature.

Now that you've seen the basic difference sketched features and place features, we can look into how to create each of those and dive into the settings on each feature.

Show transcript

This video is part of

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Inventor 2014 Essential Training

90 video lessons · 3773 viewers

John Helfen
Author

 
Expand all | Collapse all
  1. 1m 24s
    1. Welcome
      47s
    2. Using the exercise files
      37s
  2. 6m 20s
    1. Exploring major workflow steps
      2m 19s
    2. Reviewing different file types
      4m 1s
  3. 22m 3s
    1. Navigating using the ViewCube
      4m 56s
    2. Navigating using the navigation tools
      5m 31s
    3. Using the browser
      3m 34s
    4. Using the ribbon bar
      2m 47s
    5. Using the Quick Access Toolbar
      42s
    6. Using the Marking menu
      4m 33s
  4. 22m 6s
    1. Basic menu customization
      6m 40s
    2. Custom ribbon bar panels
      6m 22s
    3. Keyboard
      5m 9s
    4. Marking menu customization
      3m 55s
  5. 20m 24s
    1. Project file introduction
      3m 54s
    2. The project file: .ipj
      4m 4s
    3. Setting up the project file for this course
      7m 11s
    4. Frequently used subfolders
      5m 15s
  6. 22m 31s
    1. Introducing sketching
      4m 55s
    2. Working with origin geometry
      4m 46s
    3. Understanding constraints
      7m 39s
    4. Application options
      5m 11s
  7. 50m 43s
    1. Drawing lines
      6m 29s
    2. Creating rectangles and arcs
      9m 26s
    3. Creating splines
      6m 35s
    4. Creating slots
      5m 43s
    5. Construction geometry
      6m 18s
    6. Dimensioning
      9m 34s
    7. Parameters
      6m 38s
  8. 30m 33s
    1. Move, copy, and rotate sketch geometry
      7m 43s
    2. Trim, extend, and split sketch geometry
      6m 20s
    3. Scale, stretch, and offset geometry
      7m 47s
    4. Creating rectangular, circular, and mirrored sketch patterns
      8m 43s
  9. 19m 27s
    1. Understanding work features
      3m 58s
    2. Creating offset work planes
      4m 17s
    3. Creating work planes
      6m 59s
    4. Creating work axes and points
      4m 13s
  10. 16m 50s
    1. Projecting geometry
      7m 7s
    2. Importing AutoCAD data
      9m 43s
  11. 54m 31s
    1. Part feature introduction
      5m 14s
    2. Creating a base extrusion feature
      8m 46s
    3. Keeping extrusions connected with the To next face/body option
      4m 29s
    4. Creating revolves
      7m 42s
    5. Creating complex shapes with the Loft tool
      8m 50s
    6. Adding control to a loft by creating rails
      8m 40s
    7. Creating a sweep feature
      6m 16s
    8. Creating a sweep feature with model edges
      4m 34s
  12. 24m 44s
    1. Adding holes to a part model
      10m 10s
    2. Modifying edges with fillets and chamfers
      4m 18s
    3. Hollowing parts with the shell feature
      10m 16s
  13. 25m 37s
    1. Creating rectangular feature patterns
      9m 23s
    2. Adding intelligence to a rectangular pattern
      5m 45s
    3. Creating rectangular feature patterns along a path
      2m 22s
    4. Creating circular feature patterns
      3m 11s
    5. Mirroring part features
      4m 56s
  14. 31m 30s
    1. Understanding iParts and iFeatures
      3m 19s
    2. Creating an iPart from an existing part
      11m 0s
    3. Changing between versions inside an iPart
      5m 50s
    4. Extracting iFeatures for use in other parts
      5m 11s
    5. Inserting iFeatures into a part
      6m 10s
  15. 26m 23s
    1. Introduction to assemblies
      1m 59s
    2. Placing components
      7m 40s
    3. Creating components in the context of an assembly
      8m 9s
    4. Placing fasteners from the Content Center
      8m 35s
  16. 46m 14s
    1. The Mate/Flush constraint
      9m 42s
    2. The Angle constraint
      5m 34s
    3. The Insert constraint
      3m 55s
    4. Driving constraints
      10m 0s
    5. The Transitional tab
      3m 50s
    6. The Motion tab
      9m 18s
    7. Contact sets
      3m 55s
  17. 18m 38s
    1. Adding materials to parts in an assembly
      4m 3s
    2. Visual styles
      4m 52s
    3. Enhancing the design experience with shadows
      2m 9s
    4. Adding a ground plane, reflections, and perspective to a design
      3m 34s
    5. Changing the lighting style to match a design
      4m 0s
  18. 39m 11s
    1. Exploring initial drawing creation
      5m 6s
    2. Placing base and projected views
      9m 31s
    3. Creating section views
      8m 0s
    4. Creating detail views
      3m 56s
    5. Creating a breakout view
      5m 41s
    6. Creating auxiliary and cropped views
      6m 57s
  19. 25m 57s
    1. Creating general dimensions
      9m 20s
    2. Changing dimension precision
      4m 21s
    3. Creating baseline, ordinate, and chain dimensions
      5m 51s
    4. Creating baseline, ordinate, and chain dimension sets
      6m 25s
  20. 10m 43s
    1. Creating individual balloons
      4m 34s
    2. Creating a group of balloons with automatic ballooning
      3m 40s
    3. Adding a parts list to the drawing
      2m 29s
  21. 30s
    1. Next steps
      30s

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