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The Graphic Language.

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Presentation on theme: "The Graphic Language."— Presentation transcript:

1 The Graphic Language

2 Drafting is a graphic language having its own alphabet and grammar.
It requires visualization and implementation Two main classes of technical drawing: Artistic and Technical. Artistic express emotions, philosophic or aesthetic ideas. Technical drawings show how objects really are.

3 Exercise: How Important is Drafting (sketches, mechanical drawings and working drawings) when developing a new product or design? On an 8 1/2” x 11” sheet of paper draw the item that is being described by your classmate. The describer may only use numbers and directional commands (up, down, right, left, up diagonally right, down diagonal right, etc.) to convey the shape.

4 Shape # 1

5 Shape # 2

6 Shape # 3

7 Stages of development:
Freehand Sketches. quick sketches to convey ideas Mechanical Drawings A more accurate rendering of the object. Working Drawings (drafts-person) a complete drawing or set of drawings prepared so that the object represented on the drawing can be built without additional information.

8 Working Drawings have two essential parts:
Views and Dimensions. Views: The angle from which the object is being drawn. Top, side, front, etc.

9 Dimensions: indicate the size and shape of each part of a design.

10 The branches of technical drafting include:
Architectural drawing Machine drawing Structural drawing Sheet-metal drawing Electrical drawing Aeronautical drawing Marine drawing

11 The goals of technical drafting:
Accuracy Proper Technique (it is a language and it is similar to proper grammar.) Neatness Speed

12 Research Engineers perform experimentation that employ theories of science. (Observations)
Development Engineers apply the research in developing new products. Design Engineers determine construction methods, materials, physical shapes, etc. Production Engineers select equipment and plant facilities. Construction Engineers supervise the building process. Operating Engineers supervise the plant.

13 Designers main job is to solve problems by generating new ideas.
And a skilled designer depends on graphic communication as a tool for selling ideas.

14 Lettering

15 ANSI: American National Standards Institute.
“Lettering on drawing must be legible and suitable for easy and rapid execution.” Vertical Letters vs. Incline Letters (your program prescribes practice of both.)

16 ALL CAPS 1/8" in height Vertical vs. Incline Single Stroke Gothic 68 o

17 Tips for proper lettering:
Learn the shapes Learn the strokes Learn the rules of spacing PRACTICE!!! Think ahead before you strike the page. Keep your pencil sharp.

18 Exercise 1: Practice lettering your name, school name, date, and course to fill 2 sheets of loose leaf paper. Try to maintain 1/8” in height and uniform spacing. Remember, ONLY Capital Letters!


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