Research - Engr Lettering 082119.docx - GARCIA Celina...

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GARCIA, Celina Francine I. August 24, 2019 ECE 1 – B11 DRAW10W ENGINEERING LETTERING Lettering is an impotent part of engineering drawing. It gives information regarding size, and instructions, in the form of notes and dimension. On a drawing, whole of the written information is always in the form of lettering. Technical lettering is the process of forming letters, numerals, and other characters in technical drawing. It is used to describe, or provide detailed specifications for, an object. With the goals of legibility and uniformity, styles are standardized and lettering ability has little relationship to normal writing ability. Engineering drawings use a Gothic sans-serif script, formed by a series of short strokes. Lower case letters are rare in most drawings of machines. Engineering Lettering is an essential element in both traditional drawing and CAD drawing. Graphic communication is often not enough to completely describe an object. Lettered text is often necessary to provide detailed specifications about the drawn object. And there are several formal rules that apply to the placement of lettering. Commercial Gothic, also called sanserif Gothic, is the lettering style of most interest to engineers. It is plain and legible. Lettering is an impotent part of engineering drawing. It gives information regarding size, and instructions, in the form of notes and dimension. More than merely the drawing of pictures, it is also a graphical language that communicates ideas and information from one mind to another. Technical lettering is the process of forming letters, numerals, and other characters in technical drawing. It is used to describe, or provide detailed specifications for, an object. With the goals of legibility and uniformity, styles are standardized, and lettering ability has little relationship to
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normal writing ability. Engineering drawings use a Gothic sans-serif script, formed by a series of short strokes. Lower case letters are rare in most drawings of machines. There are some methods of forming letters; the Freehand Lettering which is done without the assistance of tools. The Mechanical Lettering that can be done using tools such as lettering guides, templates, or using a small mechanical pantograph. And lastly the Modern Drawings, lettered with computer-aided software. Most Freehand Lettering is done in a "gothic" style with a constant line thickness; either "straight gothic", with vertical strokes perpendicular to the baseline, or "inclined gothic", with vertical strokes at about 75°. The letters to be drawn, though freehanded, should be stable and graceful. In some cases, stability is impossible; for example, P and F are unavoidably top-heavy. In other cases, the stability and grace of the letters may be maintained either by drawing the lower parts of the letters like B, E, etc. wider than the upper parts, or by drawing the horizontal line at the center of these letters just above their geometric axis. Also, Emphasis should be on the overall beauty of a word, rather than individual letters.
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