Standard

 

DDF 191 - Engineering Graphics I

Course Description

Introduces engineering drawing.  Surveys various styles of engineering sketching and computer-aided drafting (CAD) techniques. Additionally, the student prepares sample engineering working drawings. Topics include: freehand sketching, computer-aided drafting (CAD) fundamentals, and working drawings. Laboratory work parallels class work.

 

Competency Areas

Hours

 

Freehand Sketching

Class

1

Computer-Aided Drafting (CAD) Fundamentals

D. Lab

0

Working Drawings

P. Lab/O.B.I.

6

 

Credit

3

 

 

 

Prerequisite:

Program admission

Corequisite:

 

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.

FREEHAND SKETCHING

3

0

15

Simple orthographic sketches

Freehand sketch lines, circles, and arcs.

 

 

 

 

Use freehand sketching techniques to construct various boxes.

 

 

 

Simple isometric sketches

Freehand sketch isometric drawings.

 

 

 

Simple oblique sketches

Freehand sketch oblique drawings.

 

 

 

COMPUTER-AIDED DRAFTING (CAD) FUNDAMENTALS

3

0

15

Computer graphic concepts

Describe 2D CAD system operation.

Describe 3D CAD system operation.

 

 

 

Lettering

Prepare lettering for engineering drawings using a CAD system.

 

 

 

Scales

Use scales in preparing engineering drawings with a CAD system.

 

 

 

Dimensioning and tolerancing

Prepare dimensions and tolerancing notations for engineering drawings using a CAD system.

 

 

 

Geometric construction

Demonstrate geometric construction techniques using a CAD system.

 

 

 

Drawing reproduction

Reproduce drawings using a CAD system.

 

 

 

WORKING DRAWINGS

4

0

30

Orthographic projection

Construct drawings using principles of orthographic projection with a CAD system.

 

 

 

Pictorial drawing

Prepare isometric drawings using a CAD system.

 

 

 

Schematic drawing

Prepare electronic, electromechanic, and mechanical schematic drawings using a CAD system.

 

 

 

Descriptive geometry

Construct shapes based on principles of descriptive geometry using a CAD system.

 

 

 

Purpose

Describe the purpose of engineering drawing conventions.

 

 

 

 

Suggested Resources

 

Books

 

Brown, W. C. (1990). Drafting for industry (rev ed.). South Holland, IL: Goodheart-Willcox.

French, T. E., et al. (1985). Mechanical drawing (10th ed.). New York: McGraw-Hill.

Giesecke, F. E., et al. (1991). Technical drawing (9th ed.). New York: Macmillan.

Hoelscher, R. P., et al. (1982). Graphics for engineers. New York: John Wiley & Sons.

Jensen, C. H., & Helsel, J. (1989). Engineering drawing and design (4th ed.). New York: McGraw-Hill.

Luzadder, W. J. (1986). Fundamentals of engineering drawing. Englewood Cliffs, NJ: Prentice Hall.