Jul 14, 2024  
2024-2025 Catalog 
2024-2025 Catalog
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SHM 104 - Basic Mechanical Drawing

Credits: 3
1 Lecture Hours 4 Lab Hours

In this course, students use drafting principles tailored to the sheet metal industry. The course emphasizes using drafting tools, mastering line types and weights and the art of dimensioning. Learning is deepened through extensive application in orthographic projections and shop sketches. Students demonstrate proficiency in critical drawing techniques fundamental to the field.
Learning Outcomes
Upon successful completion of the course, the student will: 

  1. Calculate dimensions on sheet metal drawings using an architect’s scale. 
  2. Identify the correct scale and essential details in a complete sheet metal shop drawing. 
  3. Review sheet metal drawings for installation and fabrication purposes. 
  4. Compile detailed sketches of sheet metal products for fabrication and installation. 
  5. Generate lines with precise weight and type for accurate interpretation. 
  6. Design sheet metal products using geometric construction principles.
  7. Illustrate field notes using the gothic lettering technique. 
  8. Construct three integrated orthographic views of items for fabrication. 
  9. Draw section views of items using a provided shop sketch. 
Listed Topics
  1. Architect’s scale and engineer’s scale 
  2. Drafting pencils, lead types and weights 
  3. Drafting instruments 
  4. Geometric construction 
  5. Construction of lines and line types 
  6. Orthographic projection 
  7. Section views 
  8. Cutting plane views 
Reference Materials
Instructor-approved textbooks and materials
Students who successfully complete this course acquire general knowledge, skills and abilities that align with CCAC’s definition of an educated person. Specifically, this course fulfills these General Education Goals:
  • Critical Thinking & Problem Solving
Approved By: Dr. Quintin B. Bullock Date Approved: 05/20/2024
Last Reviewed: 05/20/2024

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