Blueprint Reading

28 Hours

This course is a basic review or introductory course on the reading of standardized machine trades blueprints. Knowledge of basic math to include addition and subtraction of fractions and decimal numbers is highly desirable.

• Visualizing Shapes - Objects Represented on Paper
  · Orthographic Projection
  · · "Glass Box" Concept
  · Multiview Drawings
  · Surface Relationships
  · Sketching From Shapes
• Line Usage
  · Alphabet of Lines
  · Line-To-Surface Relationships
• Title Blocks
  · Styles and Types
  · Contents of Title Blocks
  · Tolerance Blocks
• Dimensions
  · Methods of Dimensioning
  · Calculation of Dimensions
  · Key Dimensioning Terms
• Tolerances
  · Types of Tolerances
  · Reading and Applying Tolerances
• Multiview Drawings
  · Reading or Interpreting One, Two and Three View Drawings
  · Representation of Holes on Drawings
  · · Dimensioning and Locating of Holes
  · Countersinks, Counterbores, Spotfaces
  · Threads on Drawings
  · · Thread Types
  ·· Reading of Thread Callouts
  · · Metric Threads
  · Section Views
  · · Types of Sections
  · · Conventions Used in Sectioning
  · · Auxiliary Views
  · Angles, Contours and Tapers on Drawings
  ·· Interpreting of Callouts
  · Other Features on Drawings
  · · Keyways, Keyseats, Bosses, Pads, Necks & Grooves
• Welding Prints
  · Symbology and Terminology
  · · Meaning
  · · Presentation on Prints
• Multi-View Drawings
  · Deciding on a Front View
  · Correct Layout of Views
  · Using Orthographic Projection:
  · · To Develop Secondary Views
  ·· To Get Good Spacing
  · Dimensioning Methods
  · Section and Auxiliary Views
  · Lettering Techniques
• Pictorial Views
  · Isometric Presentation
  · Oblique Presentation
  · Dimensioning Pictorial Sketches
  · Sketching Exercises Using These Techniques