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Engineering Graphics with AutoCAD® 2017 by James D. Bethune

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Chapter 6. Sectional Views

6-1 Introduction

Sectional views are used in technical drawing to expose internal surfaces. They serve to present additional orthographic views of surfaces that appear as hidden lines in the standard front, top, and side orthographic views.

Figure 6-1A shows an object intersected by a cutting plane. Figure 6-1B shows the same object, with its right side and the cutting plane removed. Hatch lines are drawn to represent the location on the surfaces where the cutting plane passed through solid material. Also shown are the front and right-side orthographic views and a sectional view. Note the similarity between the sectional view and the cut pictorial view.

Figure 6-1A

Figure 6-1B

Sectional views do not contain ...

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