May 21, 2022  
2020-2021 Course Catalog 
    
2020-2021 Course Catalog [ARCHIVED CATALOG]

Add to Portfolio (opens a new window)

CAD 153 - CAD Applications I

Credits: 3
Lecture Hours: 2
Lab Hours: 2
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
Mechanical components and processes used in product design will be covered. Geometric dimensioning and tolerancing will be taught. Preparation of welding drawings will be presented with the emphasis on proper usage of American Welding Society symbols. Precision bending of sheet metal will be covered.
Prerequisite: CAD 152 , CAD 182  , CAD 242  , and  MAT 773  or any AAS core Math course with prefix of MAT or BUS.
Competencies
  1. Analyze weldments.
    1. Examine standard welds
    2. Identify the American Standard Weld symbol.
    3. Create weld symbol blocks in CAD.
    4. Discuss and create general notes for weldments.
    5. Identify correlation of geometric tolerancing and weldments.
    6. Discuss surface finishes of welds.
    7. Discuss related weld applications
    8. Discuss plasma and flame cutting.
    9. Create a welded assembly, applying cad symbols and geometric tolerancing.
  2. Analyze surface finishes.
    1. Discuss surface finish terminology and symbols.
    2. Relate surface finish to tolerances.
    3. Relate surface finishes to production processes.
    4. Discuss casting allowances due to surface imperfections.
    5. Discuss required machining and limits of finish values.
    6. Create in CAD surface finish symbol blocks.
    7. Apply surface finishes to a CAD part drawing.
  3. Analyze datums.
    1. Identify casting datums.
    2. Identify machine datums.
    3. Determine primary machine datum.
    4. Create a datum symbol block
  4. Examine geometric dimensioning and tolerancing (GD&T).
    1. Define terms associated with GD & T.
    2. Explain fundamental rules of GD & T.
    3. Demonstrate an understanding of features.
    4. Identify features of size and features without size.
    5. Demonstrate an understanding of tolerance zones.
    6. Describe the default tolerance zone and how it is positioned.
    7. Explain how tolerance zone shape is changed.
    8. Explain the difference between controlling an axis, a median plane, or a plane surface.
    9. Explain when a tolerance can and cannot be modified.
    10. Explain the effect of a feature modifier.
    11. Demonstrate an understanding of the commonly used characteristics.
    12. State the characteristics that require datum(s) and those that do not.
    13. Define geometric tolerancing.
    14. Determine primary, secondary, and tertiary datums.
    15. Analyze geometric tolerancing theorems.
    16. Identify geometric feature control symbols.
    17. Discuss material condition modifiers and datum applications of feature control frame.
    18. Apply geometric dimensioning and tolerancing to a CAD drawing.
  5. Discuss casting drawings.
    1. Examine draft.
    2. Discuss fillets and rounds.
    3. Analyze machining allowance.
    4. Discuss casting/machining drawings.
    5. Discuss shrinkage allowance.
    6. Discuss forging drawings.
    7. Create a casting drawing.



Add to Portfolio (opens a new window)