Feb 24, 2021
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.
Recommendation: Ability to add, subtract, multiply, divide, and calculate simple percentages with the use of a calculator.
- CAD systems and the Cartesian coordinate system
- Detail and Assembly Drawings
- Dimensioning and Symbols
- Drawing Conventions
- Freehand Sketching
- Introduction to Geometric Dimensioning Tolerancing
- Measuring and Scaling Drawings
- Section and Auxiliary Views
- Single- and Multi-view Drawing
- Surface Finishes
- Threaded and Non-threaded Fasteners
- Welding Symbols
At the end of this course students will be able to:
- interpret welding symbols.
- apply dimensioning practices.
- create freehand sketches with lettering.
- describe objects with multi-view sketches.
- explain how CAD systems use the Cartesian coordinate system.
- describe surface finishes.
- interpret screw thread specifications.
- measure drawings using various scales.
- identify various fasteners.
- identify Geometric Dimensioning and Tolerancing symbols.
- interpret engineering drawings.
Competency 1 (1-6)
Competency 2 (7-10)
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