section line definition drafting

Uniformly space lines in section linings. A section line is a .7 mm to .9 mm line drawn at angles, normally 45, 30 or 60 degrees, to show a feature more clearly. Section lines are used to show the cut surfaces of an object in section views. Manual of Section offers a comprehensive gallery of orthographic slices through famous buildings, but it goes further than that: The opening pages of the compendium analyze the section as a tool for architectural representation and crystallize the definition of this elemental drawing type. For average section linings, space the section lines approximately 3/32-inch apart. If you select on a circle, the cut line will automatically pass through that circle’s center point. BS 8888:2008 Technical product specification. Drafters use section views to illustrate a specific feature. They are fine, dark lines. The person who will read drawings have to learn what they mean. All you have to do is right click on the section view line and select Edit Cutting Line. You can either edit sketch or change from a section to half section. The section reveals simultaneously its interior and exterior profiles, the interior space and the material, membrane or wall that separates interior from exterior, providing a view of the object that is not usually seen. C: Broken-Out Section View; A Broken-out section is part of an existing drawing view, that is used to remove material to a specified depth in order to expose inner details of a model. The illustrations below show the different entities generated by the VIEWSECTION command, and the terms used to … Enter a letter to reference the section line at the starting point. Half View. In the following excerpt, architects Paul Lewis, Marc Tsurumaki and David J. Lewis go right back to basics and ask a fundamental question that should prove informative to architecture students and experienced professionals alike: What is a section? “We begin with the seemingly obvious question: ‘What is a section?’ In reference to architectural drawing, the term section typically describes a cut through the body of a building, perpendicular to the horizon line. Note: You have the option of selecting a circular edge to define the cut line. Should the draftsman choose not touse this method, a separate view will be created and a identification headingneeds to be assigned to it. This Micro Housing Complex Proves That Affordable Architecture Can Be Beautiful, Slide Away: 7 Stunning Minimalist Residences With Slick Sliding Doors, Concrete Architecture: 7 Powerful Projects from Japan. Move the cursor to select the side of the cutting plane. According to DoD-STD-100C, “section lining shall be composed of uniformly spaced lines at an angle of 45 degrees to the baseline of the section. A leader line may have a reference line under the text. Once again, you are free to make up your own line definitions, but it is recommended that you put a note on the drawing with their meaning. Win a V-Ray License Through the One Rendering Challenge! A collection of the different lines used in drafting, with classifications for line weight (thickness) and line type. General principles of presentation. A section view is a view used on a drawing to show an area or hidden part of an object by cutting away or removing some of that object. Make sure you understand the use of the cutting plane line to show the section. The surface of the imaginary cut is crosshatched with lines called section lines. When sketching an object or part that requires a sectional view, they are drawn by eye at an angle of approximately 45 degrees, and are spaced about 1/8” apart. From the menu: insert -> view -> section view. The generated section view that is created may form partof the same view as the reference view, permitted the correct projection method(first or third angled projection) is used.

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