Chapter 3 Creating and Editing Sketched Features

1. Chapter 3Creating and Editing Sketched Features

2. Chapter 3 - Objectives • After completing this chapter, you will be able to perform the following: • Understand what a feature is • Use the Autodesk Inventor browser to edit parts • Extrude a sketch into a part • Revolve a sketch into a part • Edit features of a part • Edit the sketch of a feature • Make an active sketch on a plane • Create sketched features using one of three operations: cut, join, or intersect • Project edges of a part

3. Understanding Features • Describing Features • Sketch into a 3D feature • Base feature • Placed features • Edited, deleted, or reordered • Consumed and Unconsumed Sketches • Unconsumed sketch • not yet been used in a feature • Profiles • Feature consumes the profile • Consumed sketch

4. Browser • Autodesk Inventor Browser • Displays the history of the file • Create, edit, rename, copy, delete, and reorder features or parts • Expanded or Collapsed

5. Using the Browser for creating and editing • Autodesk Inventor Browser • Dependent features • Parent-child relationship • Filter out object types • Funnel icon

6. Using the Browser for creating and editing • Autodesk Inventor Browser • Default names • Extrusion1 • Locate parts and features • Resized while docked • Close Browser • Right-click • Double-click

7. Switching Environments • Switching Environments • Sketch & Part environment • Automatically • Tools available to current situation

8. Part Features • Feature Tools • Part environment • Panel Bar icons • Right-click in graphics window

9. Extruding a Sketch • Extruding a Sketch • Depth along Z-axis • Preview • Extrude dialog box • Shape & More tabs • Values & options • Shape • Profile • Multiple closed profiles

10. Extruding a Sketch • Extruding a Sketch • Operation • Join = adds • Cut = removes • Intersect = common • Extents • Type & Distance • Termination • How sketch will extrude • Distance • To Next • From To • To • All

11. Extruding a Sketch • Extruding a Sketch • Output • Solid • Surface • More • Taper • Alternate solution • Minimum solution

12. Exercise 3-1 • Extruding a Sketch

13. Revolving a Sketch • Revolving a Sketch • Create cylindrical parts • Revolve sketch around a straight edge or axis • Shape • Profile • Axis • Operation • Join • Cut • Intersect • Extents • Full • Angle • Output • Solid • Surface

14. Revolving a Sketch • Centerlines & Linear Diameter Dimensions • Specify linear diameter dimensions • Quarter section • Place diameter dimensions • Changed to normal line to centerline

15. Exercise 3-2 • Revolving a Sketch

16. Editing a Feature • Editing a Feature • Feature consumes all the dimensions • To edit sketch or feature • Dimensions values • Taper • Operation • Termination • Output type • For base features, everything can be changed except join operation • Feature Priority

17. Editing a Feature • Editing a Feature’s Sketch • Add & remove objects • Adding geometry, lines, arcs, circles and splines • Delete geometry

18. Editing a Feature • 3D Grips • Used to push or pull the faces • Extruded feature • Revolved feature • Sweep feature • Red = Cut operation, • Green = Joined operation • Blue = Intersect operation

19. Editing a Feature • Move Feature • Move a face of a part • 3D Grips • Triad move

20. Editing a Feature • Editing a Feature • Renaming Features and Sketches • Default name • Locate • Descriptive to your design intent • Rename, slowly double-click • Feature Color • Feature Properties dialog box

21. Deleting a Feature • Editing a Feature • Deleting a Feature • Failed Features • Browser turns Red, an alert • Not successfully regenerated • Undo • Sketch Doctor

22. Exercise 3-3 • Editing Features and Sketches

23. Sketched Features • Sketched Features • You sketch on a plane • Add or remove material from the part • Needs it’s own plane (planar face or based on a work plane)

24. Defining the Active Sketch Plane • Defining the Active Sketch Plane • Each sketch must exist on its own plane • Requirements to assign a plane • Inventor Part • Part active • Planar face or Work plane • Make a sketch active • Face Cycling • Dynamic face highlighting • Help select the correct face • Select Other tool • Time delay

25. Slice Graphics • Slice Graphics • Obscuring the view • Plane that is difficult to see • Temporarily slice away • Parts or assemblies

26. Exercise 3-4 • Sketch Planes

27. Projecting Part Edges • Projecting Part Edges • Building parts partially based on existing geometry • Reference faces, edges, or loops • Associative link • Direct Model Edge Referencing • Automatically project edges • Create dimensions and constraints • Control the automatic projection

28. Projecting Part Edges • Projecting Part Edges • Creating Reference Geometry • Move the cursor over an edge • Click an edge • Reference edges • Project Loop and Chain Option • Project Geometry tool • Edges • Loops • Faces • Break Link

29. Applying Your Skills Skill Exercise 3-1 Skill Exercise 3-2 Skill Exercise 3-3

30. Project Exercise – Chapter 3Creating and Editing Sketched Features • In Appendix A

31. Checking Your Skills • What is a base feature? • True_ False_ When creating a feature with the Extrude or Revolve tool, you can drag the sketch to define the distance or angle. • Which objects can be used as an axis of revolution? • Explain how to create a diametric dimension on a sketch. • Name two ways to edit an existing feature. • True_ False_ Once a sketch becomes a base feature, you cannot delete or add constraints, dimensions, or objects to the sketch. • Name three operation types used to create sketched features. • True_ False_ A cut operation cannot be performed before a base feature is created. • True_ False_ Once a sketched feature exists, its termination cannot be changed. • True_ False_ Geometry that is projected from one feature to a sketch that defines another feature will update automatically based on changes to the original projected geometry.