Oct 31, 2025  
2020-2021 Course Catalog 
    
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2020-2021 Course Catalog [ARCHIVED CATALOG]

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ECAD 1020 - Interpreting Engineering Drawings

Credits: 2
Hours/Week: Lecture None Lab None
Course Description: This course is designed to give students an understanding of the concepts required to read industrial blueprints. Topics include sketching, multi-view drawing, symbols, scaling, dimensioning, finishes, screw threads, auxiliary and assembly drawings. Also covered is an introduction to Geometric Tolerancing. Restriction: Closed to students who have earned credit for ECAD 1023.
MnTC Goals
None

Prerequisite(s): None
Corequisite(s): None
Recommendation: Ability to add, subtract, multiply, divide, and calculate simple percentages with the use of a calculator.

Major Content
  1. CAD systems and the Cartesian coordinate system
  2. Detail and Assembly Drawings
  3. Dimensioning and Symbols
  4. Drawing Conventions
  5. Freehand Sketching
  6. Introduction to Geometric Dimensioning Tolerancing
  7. Measuring and Scaling Drawings
  8. Section and Auxiliary Views
  9. Single- and Multi-view Drawing
  10. Surface Finishes
  11. Threaded and Non-threaded Fasteners
  12. Welding Symbols

Learning Outcomes
At the end of this course students will be able to:

  1. interpret welding symbols.
  2. apply dimensioning practices.
  3. create freehand sketches with lettering.
  4. describe objects with multi-view sketches.
  5. explain how CAD systems use the Cartesian coordinate system.
  6. describe surface finishes.
  7. interpret screw thread specifications.
  8. measure drawings using various scales.
  9. identify various fasteners.
  10. identify Geometric Dimensioning and Tolerancing symbols.
  11. interpret engineering drawings.

Competency 1 (1-6)
None
Competency 2 (7-10)
None


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