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- A sectional view represents the part of an object remaining after a portion is assumed to have been cut and removed. The exposed cut surface is then indicated by section lines. Hidden features behind the cutting plane are omitted, unless required for dimensioning or for definition of the part.
www.mcgill.ca/engineeringdesign/step-step-design-process/basics-graphics-communication/sectioning-techniqueSectioning Technique | Engineering Design - McGill University
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A sectional view represents the part of an object remaining after a portion is assumed to have been cut and removed. The exposed cut surface is then indicated by section lines. Hidden features behind the cutting plane are omitted, unless required for dimensioning or for definition of the part.
Section views are used extensively to show features of an object or an assembly that are not easily visible from the exterior. This method can be used with both simple and complex objects and involves the use of a cutting plane that dictates what portion of the object you want to remove to reveal a more complex interior.
A Sectional View, also known as a cross-sectional view, is a representation of a 3-dimensional object projected onto a 2-dimensional plane. The object is 'cut' along an imaginary plane, allowing for a view of its internal features.
- 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.
What is a section view? A sectional view or a section looks inside an object. Sections are used to clarify the interior construction of a part that can not be clearly described by hidden lines in exterior views.
A Section or cross section is a view generated from a part or assembly on a cutting plane or multiple cutting planes that reveals the outlines on the inside or assembly fits. Sections normally comprise of two parts, firstly the Section Cut indicator with identification.
Jun 18, 2020 · A section view can easily display some of the part features that are not evident when looking just from the outset. Cross section is the preferred option compared to hidden lines as it brings more clarity.
