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2021-2022 Catalog 
    
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EDD 240 - Mechanical Drafting


Credits: 4
5 Skills Lab Hours

Prerequisites: EDD 121  

 
Description
This is an advanced course in the application of engineering drawing principles to mechanical engineering technology. Emphasized are the preparation of working drawings, including such items as assembly drawings, detail drawings, fasteners, gears and cams. Additional topics are presented based on specific drawing applications assigned.


Learning Outcomes
Upon successful completion of the course, the student will:

  1. Describe the concept of a sectional view.
  2. Identify the seven types of sectional views.
  3. Draw full, half, broken-out, revolved, removed, offset, aligned, thin wall and assembly sections.
  4. Explain the proper techniques sectioning ribs, webs, spokes, fasteners, shafts and keyways on a drawing.
  5. Draw section-lining symbols for different materials.
  6. Prepare a fully annotated detailed drawing of a machine part using aligned and unidirectional dimensioning systems.
  7. Label the parts of a screw thread.
  8. Draw detailed, schematic and simplified threads in sections and elevation using American National Standard Limits (ANSL) standards.
  9. Draw standard fasteners, bolts, studs and screws using ANSL standards and manufacturer’s specifications.
  10. Construct a set of working drawings of a machine assembly, including assembly drawings, detail drawings, bill of materials, revisions block, part specifications and general notes.
  11. Calculate the tolerance dimensions between mating parts using the ANSL and the International Organization of Standardization (IOS) tolerances.
Listed Topics
  1. CAD review
  2. Orthographic projection
  3. Section views
  4. Auxiliary views
  5. Annotations
  6. Threads and fasteners
  7. Tolerance
  8. Assembly drawings
  9. Working drawings
Reference Materials
Instructor-approved textbook.
Approved By: Johnson, Alex Date Approved: 04/16/2013


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