ENG 211IN - Computer Aided Engineering Design and Manufacturing

1. Demonstrate ability to read and interpret engineering and manufacturing drawings.
2. Generate components and assembly drawings using 3D parametric modeling software.
3. Demonstrate correct usage of ANSI and ASME drafting standards in engineering/manufacturing drawings, including geometric dimensioning and tolerancing.
4. Demonstrate knowledge of the computer numerical control machining.
5. Demonstrate ability in applying CAD/CAM software to product design and program manufacturing processes.
6. Exhibit knowledge to generate code for a different numerical control machines.

1. Demonstrate the fundamental concepts and principles of engineering graphics as a language.
2. Generate hand-drawn multi-view technical sketches.
3. Apply methods of orthographic projection to produce detail.
4. Demonstrate the fundamental concepts and principles of the computer-aided design (CAD) system.
5. Demonstrate the ability to read engineering drawings.
6. Construct three-dimensional (3D) solid models on a modern CAD system:
   1. Create 3D solid models of complex objects given a multi-view representation
   2. Create solid models of individual parts
   3. Create reference geometry features (planes, axes)
   4. Measure properties of 3D CAD models
7. Create multi-view, auxiliary and section drawings from 3D solid models:
   1. Use the principal planes of projection and the principal views
   2. Create hidden lines, center lines, etc. based on graphics conventions
   3. Create multi-view drawings from 3D solid models on a CAD system
   4. Represent typical features: e.g. holes, threads, chamfers, and fillets
   5. Create auxiliary views automatically from 3D solid models
   6. Generate appropriate section views
8. Create dimensioned drawings from 3D solid models:
   1. Understand the basic terminology and geometrical  relationships associated with dimensioning practice
   2. Demonstrate size, location, and coordinate dimensioning
   3. Create dimensioned drawings from 3D solid models
   4. Create complete working drawings including assembly and detailed drawings for a “real-life” object
9. Apply geometric dimensioning and tolerancing (GD&T):
   1. Understanding and practical proficiency in dimensioning and tolerancing.
   2. Recognize GD&T dimensioning on an engineering drawing
   3. Determine maximum material condition (MMC) and its implications
   4. Calculate bonus tolerance allowances as features deviate from MMC
   5. Recognize and specify GD&T datums
   6. Visualize tolerance zones as specified in GD&T
   7. Create GD&T control features on an engineering drawing
10. Apply CAD/CAM software to product design and program manufacturing processes

1.    Describe numerical control (NC) and computer numerical control (CNC) machine systems
2.    Identify NC/CNC components and control systems
3.    Demonstrate the correct CNC programming sequences
4.    Develop a program flowchart and process planning
5.    Demonstrate knowledge of absolute and incremental positioning

1. Understand CAM environment

1.    Identify CAM icons
2.    Identify different screen areas within CAM environment
3.    Identify menu bars and program’s essential functions

1. Create geometry using CAD/CAM software
   1. Identify geometry features : arc, lines, radius
   2. Identify geometry functions : moving, copying, mirroring
   3. Demonstrate the ability to create geometry using proper techniques appropriate for multi-axis tool pathing
   4. Demonstrate knowledge to select the best geometry creation technique for the part features to be machined
2. Demonstrate knowledge to use ‘operating manager’ with toolpaths
   1. Determine proper tool path for material removal
   2. Demonstrate the ability to select proper tooling from tool library
   3. Demonstrate the ability to select proper speeds and feeds for tool motion based on machine limits and set up
3. Exhibit knowledge to generate code for a different numerical control machines
   1. Understand coding for a different machining centers
   2. Understand coding a process model
4. Understand principles of Additive Manufacturing
   1. Demonstrate knowledge of production methods and production materials
   2. Demonstrate the ability to apply design principles
   3. Analyze advantages and disadvantages of additive and subtractive manufacturing

1. Sketching and manual drafting; Reading and interpreting drawings

1. Free-hand sketching techniques
2. Manual drafting techniques
3. Manual drafting tools
4. Orthographic projections
5. Isometric sketches
6. Oblique sketches
7. Perspective sketches
8. Section views
9. Auxiliary views
10. Details views
11. Reading and interpreting engineering drawings

1. Dimensioning practices and Tolerances; Drafting standards
   1. Dimensioning systems
      1. Unidirectional
      2. Aligned
      3. Tabular
      4. Arrowless
      5. Chart drawing
   2. Dimensioning fundamentals
      1. Dimension line spacing
      2. Chain dimensioning
      3. Datum dimensioning
   3. Preferred dimensioning practices
      1. Dimensioning angles
      2. Dimensioning a simple hole
      3. Dimensioning chamfers
      4. Dimensioning cylinders and conical shapes
      5. Dimensioning arcs
      6. Representing and dimensioning for external and internal threads
      7. Dimensioning countersink and counterbore holes
   4. Tolerancing conventions; Geometric and position tolerancing

1. Direct tolerancing methods
2. Tolerance expressions
3. Angular tolerances
4. Standard fits
5. Tolerances of form
6. Tolerances of orientation
7. Positional tolerances
8. ANSI and ASME drafting standards

1. Computer-Aided Design (CAD)
   1. Introduction to parametric modeling
   2. Introduction to CAD systems (AutoCAD, SolidWorks, Autodesk Inventor)
   3. Basic two-dimensional (2D) drawing skills
   4. Basic commands
   5. File management
   6. Command Manager and Feature Manager
2. Parts and Assembly Modeling 
   1. Basic parts modeling

1. Basic and complex 2D model design
2. Three-dimensional (3D) modeling
3. Basic part modeling
4. Basic tools extrude, cut, hole, mirror, edit part modeling, etc.
5. Revolved features
6. Swept, Loft and additional features
   1. Three-Dimensional (3D) Assembly Modeling

1. Bottom-up assembly modeling approach
2. Linear and rotational motion
3. Assembly-exploded view
4. Part drawing from 3D models
5. Configuration in SolidWorks
6. Overview of SolidWorks modules (sheet designer, weldments, pipes, etc.)

1. CAD data management in a corporate environment
   1. Product data management system
   2. Data vault principles
   3. Data version control
2. Basics of Numerical Control (NC) and Computer Numerical Control (CNC) Machining Systems
   1. Description of NC/CNC machinery
   2. Objectives and application of NC/CNC
   3. Components and control systems
   4. Tool changers, tool storage, and special tooling/fixturing

1. Positioning and Coordinate Systems used in NC/CNC Programming
   1. Absolute and incremental positioning
   2. The order of operations and documentation needed for programming
   3. Developing a program flowchart and process planning
   4. Importance of program documentation
   5. Fundamentals of G-code programming
2. Introduction to a CAM Environment
   1. Main menu
   2. Overview of CAM icons
   3. Explanation of different screen areas within a CAM environment
   4. Explanation of menu bars and their uses
3. Creating Geometry
   1. Arc, lines, radius
   2. Transforming geometry
   3. Moving
   4. Copying
   5. Rotating
   6. Mirroring
4. Operating Manager
   1. Drilling, contour, pocketing, islands, and surfaces
   2. Get tool from library
   3. Selecting tool parameters
   4. Viewing tool path
5. Code Generation for CNC
   1. Coding a process model
   2. Coding for different machining centers
6. Introduction to additive manufacturing
   1. Additive manufacturing methods

1. Production methods
2. Production materials
3. Design principles
   1. Alternative prototyping methods

1. Injection mold prototyping
2. Custom made machined parts
3. Cost versus time saving
   1. Additive vs subtractive manufacturing (pros and cons)