Basic Drafting Tools - PowerPoint PPT Presentation

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Basic Drafting Tools

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Basic Drafting Tools Drafting & Design Technology Unit 2 Compass Used to draw circles and arcs Divider Used to transfer dimensions Drafting Tape A specially-prepared ... – PowerPoint PPT presentation

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Title: Basic Drafting Tools


1
Basic Drafting Tools
  • Drafting Design Technology
  • Unit 2

2
Compass
  • Used to draw circles and arcs

3
Divider
  • Used to transfer dimensions

4
Drafting Tape
  • A specially-prepared tape used to adhere drawing
    media to the working surface

5
Dusting Brush
  • Used to brush loose graphite and eraser dust from
    a drawing

6
Eraser
  • Used to remove pencil lines and graphite smudges
    from a drawing

7
Erasing Shield
  • A metal plate with various slots and openings
    used to protect line work when a portion of the
    drawing is to be erased

8
Irregular Curve
  • Used to lay out any noncircular curve

9
Lead Pointer
  • Used for sharpening mechanical pencil leads

10
Lettering Guide
  • Used to lay out guidelines for lettering

11
Mechanical Pencil (Lead Holder)
  • Used to hold leads of various hardness's

12
Protractor
  • Used to measure angles

13
Scale
  • Used to measure the length of a line

14
Template
  • A thin, flat, plastic tool with various size
    openings of different shapes used to expedite the
    drawing of standard features

15
Triangle
  • A thin, flat, right-angled piece of plastic or
    metal with acute angles of 45?, or 30? and 60?
    used for drawing vertical or inclined lines that
    are multiples of 15?

16
Rules for Maintenance and Care of Drafting Tools
Equipment
  • Keep hands and equipment clean
  • Keep all instruments clean and dry
  • Do no bend templates sharply
  • Do not use templates or scales as straight edges
    for cutting tools
  • Do not use templates as eraser shields
  • Do not hit scales and triangles on edges
  • Do not overextend compasses and dividers
  • Clean plastic tools with soap and water only
  • Do not stick compasses and divider points into
    scales and triangles
  • Never sharpen leads over drawing or table surface
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