1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 16 Section Views

2. Uses of Section Views Reveal interior features not easily represented w/ hidden lines Assist in design of complex systems Improve communication and problem solving in ideation and refinement stages

3. Section View Drawings- Multi-view drawings that reveal interior features Are Section Views an Orthographic Projection? Why would we need this section view?

4. Where section views are used Every Engineering Discipline Mechanical assembly of components Civil- cutaway drawings of roads Manufacturing- Sectional cut away on complicated assemblies

5. Example

6. Proper showing of edges in foreground

7. Cutting Plane Lines Show where cutting plane passes through object & direction of view How thick are cutting plane lines? How far should they extend past object it is cutting? What do arrows represent? What line-types can be used?.6mm ¼” Direction of viewing Dashed lines/ One long, two short dashes

8. Visualization of Section Types Section Cut Section View

9. Special Sectioning Conventions Ribs, webs, spokes, lugs, gear teeth, and other thin features not section lined when cutting plane passes parallel to feature

10. Exercise Handout

11. Homework: Figures 16.73 & 16.77 Dimensioned with least # of views & isometric and section of choice

12. Section line Practices (Cross Hatching) Indicate surface that is being cut Angle drawn at 45˚ Material noted in Titleblock Default use hatch (A) Use other material types

13. Drawing Techniques Evenly spaced lines Even thickness Thinner than visible lines If visible lines are at 45˚ change angle to 30˚ Do not place dimensions or text inside section If must dimension or place text inside section omit lines around it Do not put section lines on standard part such as bolts, nuts, etc.

14. Other Sectioning Practices Outline sectioning- used on large areas Thin parts section- no section lines Multiple parts- Change direction of cross hatching

15. Aligned Section Types Holes Spokes Lugs Ribs

16. Full and Half Section Types

17. Broken out and Revolved Section Types

18. Removed cut and Multiple Section Types

19. Scaled (Detail) and Offset Section Types

20. Assembly Section Types

21. Auxiliary Full and Partial Section Types

22. Translucency Section Types

23. Solid Works Examples? Lets Watch http://www.youtube.com/watch?v=M ica9ePz_5k