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- Half sections are created by passing an imaginary cutting plane halfway through an object and one quarter of it is removed. Hidden lines are omitted on both halves of the section view. External features of the part are drawn on the unsectioned half of the view.
highered.mheducation.com/sites/dl/free/0072864583/132262/FGC_4e_Out_ch8.pdf8.1 SECTIONING BASICS Section views Sectional drawings reveal ...
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A broken-out section is used when only a portion of the object needs to be sectioned. The following figure shows a part with a portion removed or broken away. A broken-out section is used instead of a half- or full-section view to save time, and a break line is drawn freehand to represent the jagged edge of the break.
- Cutting Plane. A surface cut by the saw in the drawing above is a cutting plane. Actually, it is an imaginary cutting plane taken through the object, since the object is imagined as being cut through at a desired location.
- Cutting Plane Line. A cutting plane is represented on a drawing by a cutting plane line. This is a heavy long-short-short-long kind of line terminated with arrows.
- Section Lining. The lines in the figure above, which look like saw marks, are called section lining. They are found on most sectional views, and indicate the surface which has been exposed by the cutting plane.
- Full Sections. When a cutting plane line passes entirely through an object, the resulting section is called a full section Fig. 7 illustrates a full section.
This video demonstrates the essential steps required to draw a Half Section View.
- 3 min
- 5.6K
- ATUL SHARMA
Mar 17, 2020 · This lesson will explain the basics of creating section views in technical drawings to show the interior details of an object. I cover full sections, half sections, offset sections,...
- 7 min
- 3.4K
- Mr. Dillman's Tech Channel
A half section is one-half of a full section. While a full section shows the object as if half has been cut away, a half section shows one-quarter cut away. Imagine that two cutting planes at right angles to each other slice through the object as shown in Figure 8-11A through Figure 8-11C. Figure 8-11D shows the object’s exterior (not in ...
A half section view means that you are only removing a quarter of an object. This type of view is ordinarily used when the object is symmetrical or if you only need to show a portion of a complex assembly.
The half section view may be used where a part or assembly is symmetrical about the centerline of the part or assembly. This will save space on the drawing with over population of reference and section views.
