Basic Drafting Skills

Basic Drafting Skills

Career & Technical n o i t a c u Ed Basic Drafting Skills 003.00 Demonstrate basic drafting skills and techniques Career & Technical n

o i t a c u Ed Basic Drafting Skills 003.01 Demonstrate the correct use of manual drafting equipment and supplies Drafting Equipment Drawing board/table Drafting Equipment

Drawing Horizontal lines T-square Parallel edge Drafting Machine Arm/elbow type Track type Drafting Equipment - Triangles

45 Triangle 30 x 60 Triangle Draw vertical lines and lines @ 45 Draw vertical lines and lines @ 30 and 60 Adjustable Triangle Draw lines @ 0 to 90

Drafting Equipment Compass Protractor Draw circles and arcs Measure and layout angles Templates Drawing repetitive features

Drafting Equipment - Pencils Mechanical Lead Holders Wooden Drafting Equipment - Leads 5B 6B 4B

2B 3B SOFT Very soft leads, smudge easily. Used for art work of various kinds and full-size details in architectural drawing. 9H 8H 7H 6H 5H B

HB F H 2H 3H MEDIUM 4H HARD Used where extreme accuracy is required. Softer grades (right) used for line work on engineering drawings. Draw very light lines. General purpose work. Softer grades (right) used for technical sketching,

lettering, freehand work. Harder grades (left) used for line work on machine & architectural drawings. Drafting Equipment Erasers Brush Clean drawings w/out smudging Erasing Shield

Erase near lines that should not be erased Drafting Equipment - Scales Engineer (Civil) Mechanical drafter Metric Architecture

Drafting Media Types Vellum Polyester drafting films (mylar) Tracing paper treated to make it more transparent Most commonly used drafting media Very transparent, strong, and lasting Strongest drafting media

Bond Standard printing and copy paper Drafting Media Sizes E 44 X 34 48 X 36 D 34 X 22 36 X 24 C 22 X 17 18 X 24 B 17 X 11 12 X 18 A 11 X 8.5 9 X 12 Reproduction Techniques Plotters

Pen Plotters hold special technical pens of several different thicknesses and colors Printers Inkjet printers are now available in a variety of sizes to fit most drafting needs

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