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Center for Curriculum and Transfer Articulation
Computer Aided Drafting
Course: DFT251

First Term: 2018 Fall
 Lec + Lab   2 Credit(s)   4 Period(s)   4 Load  
Subject Type: Occupational
Load Formula: T Lab Load


Description: Computerized drafting. Equipment and commands to draw lines, angles, arcs, circles and ellipses. Drafting problems including geometric, isometric and orthographic projections leading to production of printed circuit drawings, assembly drawings and construction drawings



MCCCD Official Course Competencies
1. Identify the components of the drafting computer system and describe the use and function of each. (I)
2. Describe the basic commands and how they are utilized. (II)
3. Use computer commands to program and plot simple geometric drawings. (III)
4. Use computer commands to program and plot isometric projections. (IV)
5. Use computer commands to program and plot orthographic projections. (V)
6. Use computer commands to program crosshatching. (VI)
7. Use computer commands to program and plot isometric projections involving circles and arcs. (VII)
8. Use computer commands to program and plot isometric projections involving ellipses. (VIII)
9. Use the computer to generate acceptable circuit, assembly, and construction drawings, in order to solve drafting problems. (IX)
MCCCD Official Course Competencies must be coordinated with the content outline so that each major point in the outline serves one or more competencies. MCCCD faculty retains authority in determining the pedagogical approach, methodology, content sequencing, and assessment metrics for student work. Please see individual course syllabi for additional information, including specific course requirements.
 
MCCCD Official Course Outline
I. Introduction to equipment
   A. Computer
   B. Peripherals
      1. Disk drive
      2. Plotter
      3. Digitizer
      4. Joy stick
      5. Cursor
   C. Disk and cassette (software)
      1. Handling
      2. Storage
      3. Use
   D. Basic usage
      1. Menu of commands
      2. Using commands
      3. Passwords
      4. File names
II. Basic computer drafting commands
   A. Grid displays
   B. Horizontal lines
   C. Vertical lines
   D. Delete last point
   E. Delete all points
   F. Redraw
III. Commands for geometric drawings
   A. Horizontal square
   B. Vertical square
   C. Window
   D. Dimension lines
   E. Reset window
IV. Commands for isometric projection
   A. Angle
   B. Delete angle
   C. Transpose layers
   D. Merge layers
   E. Note height
   F. Size
   G. Arrow
V. Commands for orthographic projections
   A. CAL modify
   B. Modify layer list
   C. Hidden lines
   D. Perpendicular
   E. Input note
VI. Commands for crosshatching
   A. X-hatch
   B. Parallel
   C. Rotation
   D. Delete X-hatch
VII. Commands for complex geometric projections with circles and arcs
   A. Delete arcs and circles
   B. Center lines
   C. Diameter ends
   D. Center radius
   E. Arc center clockwise
   F. Arc center counterclockwise
   G. Note angle
   H. Note input
   I. Note height
   J. Arc dimension
   K. Leader
VIII. Commands for isometric projections with ellipses
   A. Angle
   B. Dimension
   C. Delete dimension
   D. Arc
   E. Ellipse
IX. Application of computer for practical drafting problems
   A. Printed circuit board
      1. One-sided printed circuit drawing
      2. Multilayer printed circuit board
   B. Assembly drawing
   C. Construction drafting drawing
 
MCCCD Governing Board Approval Date:  1/23/1990

All information published is subject to change without notice. Every effort has been made to ensure the accuracy of information presented, but based on the dynamic nature of the curricular process, course and program information is subject to change in order to reflect the most current information available.