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AutoCAD 2D_I

AutoCAD 2D_I. Module 6: Sectional Views. Module Objectives. Differentiate the different types of sectional views. Create sectional views drawing from a given isometric or oblique drawings. Define hatching and explains it’s function. Introduction to Sectional Views.

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AutoCAD 2D_I

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  1. AutoCAD 2D_I Module 6: Sectional Views

  2. Module Objectives • Differentiate the different types of sectional views. • Create sectional views drawing from a given isometric or oblique drawings. • Define hatching and explains it’s function

  3. Introduction to Sectional Views

  4. Introduction to Sectional Views A sectional view is that view seen beyond an imaginary plane passing through an object at right angles to the direction of sight. Sectional views are used to show the interior construction or details of hidden features that can not be shown clearly by outside views.

  5. Introduction to Sectional Views The cutting plane on which a section has been taken is indicated by a heavy dash line. Arrow heads at the ends of the cutting plane lines are used to indicate the direction in which the sections are viewed. See the following figures

  6. Types of sectional views

  7. Types of sectional views Half Section Full Section • Non-sectioned parts • Rib and Web Sections Next

  8. Hatching

  9. Hatching Hatching lines are thin lines and should preferably be inclining at 45 degrees. They should be evenly spaced.

  10. Hatching If there are two or more adjacent sectioned parts, the hatching lines should either be of different spacing or different direction. See the following figures. However, hatching pattern should be the same for separate areas of a single object.

  11. Examples on Sectioning

  12. Examples on Sectioning Example 2 Example 1 Example 4 Example 3 Next

  13. Worksheets and class Activities

  14. Worksheets and Homework Worksheet 2 Worksheet 1 Homework Worksheet 3 Next

  15. Worksheet 2 Match the correct section view with the corresponding drawing. Write the correct sectional view letter beside the drawing number in the space provided. Next

  16. Worksheet 3 Use an A3 size drawing sheet to redraw the following views: 1. The top view. 2. The complete sectional front view at A-A. 3. The side view. Next

  17. Back

  18. Homework Using the THIRD angle projection, draw the following ORTHOGRAPHIC views of component shown below. 1. A complete sectional side view from arrow S. 2. A front view from arrow F. 3. A plan view from arrow P Next

  19. Back

  20. The End

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