Maricopa Community Colleges  GTC155   19886-20086 
Official Course Description: MCCCD Approval: 07/22/08
GTC155 19886-20086 L+L 3 Credit(s) 6 Period(s)
Electronic Drafting and Fabrication
Introduces the electronic technician to freehand sketching and machine drawing; dimensioning and tolerancing; preparation and interpretation of electrical and mechanical schematic diagrams, wiring diagrams, and ladder diagrams; and layout and fabrication of printed-wiring boards and chassis.
Prerequisites or Corequisites: ELE121.
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MCCCD Official Course Competencies:
 
GTC155   19886-20086 Electronic Drafting and Fabrication
1. Make simple freehand sketches of objects in orthographic and isometric form. (I)
2. Use drafting instruments to make simple engineering drawings. (II)
3. Draw and interpret objects in orthographic projection. (III)
4. Draw and interpret objects in isometric form. (IV)
5. Prepare and interpret schematic drawings, blueprints, and wiring diagrams. (V)
6. Describe the types of properties of mechanical fasteners. (VII)
7. Describe the types and properties of electrical connections. (VIII)
8. Describe the capabilities and limitations of hand and power tools. (IX)
9. Design, breadboard, troubleshoot, and align electronic subassemblies and assemblies. (XII)
10. Lay out and fabricate a printed-wiring board. (X)
11. Lay out and fabricate a metal chassis using brake, shear, drill press, notcher, and other hand and power tools. (XI)
12. Assemble a printed-wiring board and chassis into an operating electronic system. (XII)
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MCCCD Official Course Outline:
 
GTC155   19886-20086 Electronic Drafting and Fabrication
    I. Technical Sketching
        A. Sketching Lines, Circles, and Arcs
        B. Using the Box Construction Technique
        C. Sketching Isometric Views
        D. Sketching Oblique Views
      II. Drafting Fundamentals
          A. Use of Instruments
          B. Lettering
          C. Scale
          D. Drawing Reproduction
          E. Dimensioning and Tolerancing
          F. Geometric Construction Techniques
        III. Orthographic Projection
            A. Third-angle Projection Drawing
            B. Section Drawing
          IV. Pictorial Drawing
              A. Drawing Objects in Isometric Form
            V. Schematic Drawing and Symbols
                A. Drawing Electronic Schematic Diagrams
                B. Layout of Printed-Wiring Boards
                C. Drawing Electrical Wiring Diagrams
                D. Piping Diagrams
                E. Hydraulic Schematics
              VI. Computer Graphics
                  A. Introduction to Computer Aided Drafting
                VII. Fasteners
                    A. Screws and Bolts
                    B. Rivets
                    C. Adhesives
                  VIII. Wire Terminations
                      A. Soldering
                      B. Wire-wrapping
                      C. Electrical Connectors
                    IX. Tools
                        A. Brake
                        B. Shear
                        C. Drill Press and Accessories
                        D. Notcher
                        E. Grinder
                        F. Scales, Calipers, and Micrometers
                        G. Hand Tools
                      X. Printed-wiring Board Fabrication
                          A. Layout and Taping
                          B. Photographic Process
                          C. Exposure and Etch
                          D. Drilling
                          E. Component Mounting
                        XI. Chassis Fabrication
                            A. Layout
                            B. Shearing
                            C. Drilling
                            D. Bending
                            E. Fastening
                            F. Finishing Materials and Techniques
                          XII. Final Assembly Techniques
                              A. Mechanical Assembly
                              B. Testing
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