May 24, 2019  
2018-2019 Course Catalog 
    
2018-2019 Course Catalog [ARCHIVED CATALOG]

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CAD 151 - CAD Graphics I

Credits: 6
Lecture Hours: 4
Lab Hours: 4
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
Drawing formats, geometric construction and lettering will be taught on computer-aided drafting (CAD) software. Drafting standards will be covered. CAD operations and commands will be addressed. Sketching and fundamentals of orthographic projection are stressed. Prints will be prepared.
Corequisite: BCA 212  
Competencies
  1. Discuss drawing types.
    1. Discuss industry drawing standards, such as ANSI, ISO, ASME, etc…
    2. Discuss computer-aided drafting.
    3. Examine engineering, drafting occupations.
    4. Examine related applications.
  2. Identify basic drafting equipment and materials.
    1. Identify drawing media.
    2. Identify printing and plotting equipment.
    3. Identify computer-aided drafting equipment.
    4. Discuss computer aided drafting computer requirements.
    5. Discuss CAD software packages.
  3. Analyze measurement and scaling systems.
    1. Discuss measurements and measuring units.
    2. Examine measuring scales for mechanical, civil, architectural and metric scales.
    3. Discuss drawing scale.
    4. Identify industry standard sheet sizes and title blocks.
  4. Demonstrate sketching techniques.
    1. Discuss sketching principles.
    2. Identify lead grades for sketching.
    3. Know linetypes used in sketching.
    4. Sketch straight lines.
    5. Sketch curves and circles.
    6. Demonstrate proportion in a sketch.
    7. Sketch parts using orthographic projection.
    8. Sketch parts using isometric projection.
  5. Perform basic lettering.
    1. Identify proper text height.
    2. Discuss font types used for mechanical drawings.
    3. Write the alphabet and numbers using Gothic letters.
  6. Construct basic geometric entities.
    1. Define lines types and discuss their rules.
    2. Create geometric shapes such as point, line, polygons, etc..
    3. Modify geometric shapes.
  7. Discuss CAD considerations necessary to create geometric entities.
    1. Discuss drawing setup and layering schemes.
    2. Examine viewing commands.
    3. Discuss coordinate entry methods.
    4. Examine object snap.
    5. Make use of selection sets to modify geometry.
  8. Construct advanced geometric shapes.
    1. Examine advanced drawing commands.
    2. Create an ellipse, parabola, and helix.
    3. Examine advanced modification commands such as grip editing and property inquiries.
    4. Create and edit blocks and attributes.
  9. Construct basic geometric intersections.
    1. Define geometric constructions.
    2. Bisect and divide geometry such as lines and arcs.
    3. Create tangential geometries.
    4. Draw an ogee curve.
  10. Identify required views for a drawing.
    1. Identify orthographic projections.
    2. Discuss first angle projection.
    3. Discuss third angle projection.
    4. Identify the six standard views of a part.
    5. Prepare a two dimensional drawing.
  11. Print and plot drawings.
    1. Examine using paper space and viewports.
    2. Discuss printing and plotting.
    3. Identify printing media.
    4. Discuss printers and plotters used in industry.
    5. Create and use title blocks and borders.
    6. Create drawing notes, general and local.
    7. Produce prints and plots.
  12. Identify part surfaces.
    1. Define and create normal, inclined, and oblique surfaces.
  13. Analyze sectional views.
    1. Define section views: half, full, partial, broken out, removed, and revolved.
    2. Discuss the usage of section views.
    3. Identify line usage in sections.
    4. Discuss hatch patterns for single parts and how they relate to parts in an assembly.
  14. Analyze basic dimensioning practices.
    1. Identify dimensioning standards such as ANSI and ISO.
    2. Examine dimensioning units.
    3. Create horizontal, vertical, aligned, and radial dimensions.
    4. Discuss dimension placement and standards.
    5. Create dimensions in drawing layout.



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