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Engineering Drawing Interpretation (Blueprint Reading)

The course will teach the basic principles of blueprint reading including types of drawings, interpretation of symbols, understanding basic plan formats and the application of information to maintenance engineering activities.

Length
24 hours
Objective

Upon completion of this course, the participant will be able to:

  • Define the Alphabet of Lines
  • Understand Orthographic Projection
  • Interpret One, Two, and Three View Drawings
  • Calculate Tolerances and Missing Dimensions
  • Understand Symbols and Drawing Conventions
Content

Introduction to Technical Drawings

  1. Terminology and Symbols
  2. Lines
  3. Cutting Plane and Section
  4. Thread  Representation
  5. Title Block
  6. General Tolerances
  7. Types of Tolerances
  8. Revisions

Orthographic  Projection

  1. First and Third Angle
  2. One View
  3. Two View
  4. Three View
  5. Primary Auxiliary View
  6. Secondary Auxiliary View
  7. Viewing Plane

Section Views

  1. Concept
  2. Cutting Plane
  3. Section View (Full, Half)
  4. Revolved Section View
  5. Rotated Section View
  6. Partial Section View

Dimensioning and Tolerancing

  1. General Tolerances
  2. Dimensional  Tolerances
  3. Unilateral, Bilateral, Limit
  4. Size Dimension Techniques
  5. Location Dimension Techniques

Dimensioning  Concepts

  1. Holes and Hole Patterns
  2. Counterbores and Countersinks
  3. Surface Finish
  4. Fasteners and Threads (Inch and Metric)
  5. Fits (Inch and Metric)

Assembly Drawings

  1. Assembly Views

Hydraulic/Pneumatic Systems

  1. Values
  2. Conductors
  3. Actuators
  4. Circuits

Building

  1. Symbology
  2. Floor Plans and elevations
  3. Mechanical/electrical layout
  4. Topography
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