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Revolve

Revolve. 3D Shapes. Basic methods of creating 3D shapes using a 2D sketch: Extruding “Stretching” the shape from its original 2D outline to a 3 rd Dimension Revolving Creating a 3D object by drawing a 2D cross-section and revolving that around an axis. Revolving. 2D Profile Extents

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Revolve

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  1. Revolve Revolve

  2. 3D Shapes Basic methods of creating 3D shapes using a 2D sketch: Extruding “Stretching” the shape from its original 2D outline to a 3rd Dimension Revolving Creating a 3D object by drawing a 2D cross-section and revolving that around an axis Revolve

  3. Revolving 2D Profile Extents Full Rotation Degree Axis of Rotation: Attached – Closed Solid Separated – Solid with Hole Revolve

  4. Revolve Vs. Extrude Revolve Complements Extrusion Some Objects Difficult to Extrude i.e. Cones, wheels How would you create this object with extrude? Revolve

  5. Positive Revolves Negative Revolves Revolve

  6. Acceptable Profiles Revolve

  7. SolidWorks: Revolution Axis Options in the Line tool can be chosen to create a construction line that will be used as a revolution axis Revolve

  8. SolidWorks: Closed Profile SolidWorks preview allows the designer to select the correct options Example of a closed profile aligned with the center axis (created by using a construction line) Revolve

  9. SolidWorks: Hollow Profile Example of a closed profile separated from the center axis (created by using a construction line) This example shows how to create a hollow revolve. This is helpful in the creation of wheels, etc. Revolve

  10. Revolves Wrap Up • Positive Revolve • Make a 3D object • Negative Revolve • Remove material from a 3D object • Attached Rotation • Will produce a closed object • Separated Rotation • Will produce an object with a hole • Use construction lines for axes • Ensure validity of profile (entire sketch is on one side of revolution axis) Homework Assignment Create the following shape. Focus on shape and proportionality, not dimensions. But how do you construct this area? Next slide On which plane should you start you sketch? Why? Fillets Tool Revolve

  11. A Suggestion Draw vertical line Draw center-point circle intersecting end of line Draw vertical line intersecting edge of circle Trim 180 degree arc Trim 90 degree arc Use “Trim Entries/Trim to closet” Revolve

  12. In-Class Assignment Draw this wheel using the closed 2D profile shown (from Problem 6.4 (n)) On which plane should you start you sketch? Why? Revolve

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