May 22, 2024  
2023-2024 College Catalog 
    
2023-2024 College Catalog [ARCHIVED CATALOG]

CAD 270 - Integrated Mechanical/Electro-Mechanical Design

4 Credits, 6 Contact Hours
3 lecture periods 3 lab periods

Computer-aided design project-based learning with relevant design-rule study in preparation for project design which includes planning for prototype design, hands-on fabrication, assembly, testing, and final report assessment.

Prerequisite(s): CAD 242  
Button linking to AZ Transfer course equivalency guide  

Course Learning Outcomes
  1. Develop a detailed project plan.
  2. Identify and apply appropriate design module rule sets.
  3. Design a mechanical /electro-mechanical assembly.
  4. Fabricate and assemble a project prototype.
  5. Assess prototype design and/or performance.

Outline:
  1. Project Plan
    1. Task planning
    2. Gant chart development
    3. Production cost model prediction
  2. Possible Module Design Rules
    1. Mechanical design elements
      1. Spring design considerations and types
      2. Mechanism design function fundamentals (backlash, advantage, range of use)
      3. Bearing application and types
    2. Attachment devices
      1. Threaded Fasteners
      2. Alignment pins
      3. Snap joints for plastic and injection molded design
      4. Welding options, fixtures and types
    3. Subtractive manufacturing introductory design guidelines
    4. Additive manufacturing introductory design guidelines
    5. Motion component design guidelines
      1. Geared system
      2. Electric motor
      3. Power amplifier
      4. Sensor
      5. Pulley and belt
    6. Design for robotic assembly considerations
  3. Mechanical Design
    1. Application of design rules
    2. Material selection
    3. Parts creation
    4. Mechanical parts tolerance studies
    5. Assembly creation
    6. Load and displacement analysis for predicted behavior
  4. Fabrication and Assembly
    1. Rapid Prototyping
    2. Robotic assembly
  5. Prototype Assessment
    1. Functionality test
    2. Performance test
    3. Manufacturing cost assessment
    4. Learning curve techniques


Effective Term:
Fall 2016