Course Description
This course provides comprehensive coverage of computer-aided design and manufacturing systems, focusing on the integration between design and manufacturing processes. Students learn both theoretical foundations and practical applications of CAD/CAM technology.
Learning Objectives
By the end of this course, students will be able to:
- Apply advanced geometric modeling techniques
- Develop manufacturing process plans
- Program CNC machines and understand toolpath generation
- Implement design for manufacturing principles
- Use commercial CAD/CAM software systems
Course Topics
Geometric Modeling (Weeks 1-4)
- Parametric and Non-parametric Representations
- Bezier curves and surfaces
- B-spline and NURBS
- Solid modeling techniques
- Geometric Algorithms
- Boolean operations
- Surface-surface intersections
- Mesh generation
Manufacturing Planning (Weeks 5-8)
- Process Selection and Sequencing
- Material considerations
- Tolerance analysis
- Cost estimation
- Toolpath Planning
- 2.5D and 3D machining strategies
- Collision detection
- Surface finishing techniques
Advanced Applications (Weeks 9-12)
- Rapid Prototyping and 3D Printing
- Additive manufacturing processes
- Support structure generation
- Post-processing considerations
- Integration and Automation
- PLM systems integration
- Automated manufacturing cells
- Industry 4.0 concepts
Laboratory Sessions
Hands-on experience with industry-standard software:
- SolidWorks/CATIA for advanced modeling
- Mastercam/PowerMill for CAM programming
- 3D printing and CNC machining projects
Assessment Structure
| Component | Weight | Description |
|---|---|---|
| Homework | 30% | Weekly problem sets |
| Lab Projects | 35% | Hands-on CAD/CAM assignments |
| Midterm | 15% | Written examination |
| Final Project | 20% | Complete design-to-manufacturing project |
Final Project
Students work in teams to complete a comprehensive project involving:
- Design of a mechanical component or assembly
- Manufacturing process planning
- CNC programming and simulation
- Physical prototyping (when possible)
- Design optimization based on manufacturing constraints
Prerequisites Review
Students should be comfortable with:
- 3D spatial reasoning and technical drawing
- Basic manufacturing processes (machining, forming, joining)
- Computer programming concepts
- Engineering mechanics fundamentals
Resources and Support
- Textbook: Available through CMU library reserves
- Software: Campus licenses for all required software
- Computing: Access to CAD/CAM workstations in Hunt Library
- Manufacturing Lab: Supervised access to CNC equipment