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Section Views - Part 2

Section Views - Part 2. Sections 13.01-13.13 of Text. Objectives . Learn about the different types of section views Decide what category of section view should be used for particular circumstances Create half section views such that they adhere to accepted engineering drawing practices.

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Section Views - Part 2

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  1. Section Views - Part 2 Sections 13.01-13.13 of Text

  2. Objectives • Learn about the different types of section views • Decide what category of section view should be used for particular circumstances • Create half sectionviews such that they adhere to accepted engineering drawing practices

  3. Section Views • Although we will only focus on full and half sections in this class, there are many different types of section views: • Offset sections • Removed sections • Revolved sections • Broken out sections

  4. Offset sections • Offset sections are used to capture internal details of parts where not all details line up along a single cutting plane.

  5. Removed and Revolved Sections Removed Sections Revolved Sections Similar to a removed section, but it super-imposed onto the object at the location of the cutting plane • Shows only ‘new’ surfaces created by a cutting plane.

  6. Broken-Out Sections • Broken-out sections are used when the internal detail to be revealed is only a small part of the whole object.

  7. Half Sections • Half sections are used to save time and space in engineering drawings and are most commonly used for symmetric parts. • The steps for creating a half section are the same as those for creating a full section, but only half of the object needs to be revealed. • Hidden lines are not shown on the un-sectioned portion of the section view.

  8. Half Sections

  9. Creating Half Sections • Step 1: Draw the cutting plane and choose the viewing direction. • Step 2: Outline the base; a centerline divides the sectioned half from the solid half • Step 3: Identify intersection points with the cutting plane and see what is happening on the adjacent view. • Step 4: Outline internal features associated with the intersection points on the cutting plane. • Step 5: Find the boundaries of air and solid and cross-hatch the solid areas. • Step 6: Add new edges that were revealed and centerlines where appropriate. B B Section B-B CLICK

  10. Section Views • Use this time to practice drawing half sections. • In class assignment

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