Section Views

Section Views - Section Views GRAPHICS COMMUNICATION WITH...

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1 Section Views Object GRAPHICS COMMUNICATION WITH ENGINEERING DRAWING Working drawing Clear ? Orthographic projection ( convention ) Section views convention Section Views Orthographic Projection Finish Yes No Dimensioning Section Views The basic method of representing parts for designs by views, or projections was explained in previous lectures- standard 6 multi-view drawing By means of a limited number of carefully selected views, the external features of the most complicated designs can be fully described There are however times when your confronted with the necessity of showing more interior features of parts that would not otherwise be shown by means of hidden lines
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2 PURPOSES OF SECTION VIEWS • Clarify the views by • reducing or eliminating the hidden lines • revealing the cross sectional s shape • Facilitate the dimensioning Section Views- how is it accomplished Section views are used to show the interior features of a part or assembly An imaginary cutting plane is used to remove a portion of the part to reveal the detail Sections in Construction Commonly referred to as Details. Covers the broad category of Isolated and Enlarged drawings which together with the plans and elevation, for the complete set of working drawings.
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3 Cutting Plane The cutting Plane is an imaginary plane that passes through the object where it will be cut. It is indicated in the view adjacent to the sectional view. In this view, the cutting plane appears as an edge or a line- which is called the cutting plane line Styles of cutting plane lines are shown in next slide Cutting plane CUTTING PLANE Cutting plane line Cutting plane is a plane that imaginarily cuts the object to reveal the internal features. Section lines Cutting plane line is an edge view of the cutting plane. CUTTING PLANE LINE Indicate the path of cutting plane.
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4 ANSI standard Thick line Thick line standard Thin line CUTTING PLANE LINESTYLES Viewing direction Viewing direction Viewing direction This course Cutting Planes Capital Letters are used at the
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Section Views - Section Views GRAPHICS COMMUNICATION WITH...

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