CAD/CAM
1. Understand the applications and benefits of CAD
2. Understand the various computer hardware devices
3. Understand the various software used in CAD and the functions of a graphics package.
4. Understand geometric transformation.
5. Understand various representations of curves and surfaces.
6. Understand the various concepts and characteristics in geometric modeling.
7. Understand various data exchange formats.
8. Apply CAD techniques to finite element mesh generation. 9. Understand the basic concepts of CAM
10. Analyze the components and systems of NC and CNC machine tools.
11. Understand and apply various programming methods for specific jobs.
12. Understand the concepts of DNC and adaptive control
13. Understand the fundamentals and advantages of group technology.
14. Classify various CAPP systems.
15. Understand FMS and CIMS with reference to components, advantages and applications.
Detailed Contents:
Course contents
1. Fundamentals of CAD: Introduction: Design Process: Application of computers in design: Creating manufacturing database: benefits of CAD.
2. Computer Hardware; Graphic input devices; display devices; Graphics output devices; Central processing unit (CPU)
3. CAD software and Database: Software configuration of a graphics system: functions of a graphics package: geometric modeling: Database structure and control; Graphics standard: GKS and IGES. PTU/BOS/ME/101/10-06-2005/BATCH-2004 60
4. Geometric Transformations: Mathematics preliminaries, matrix representation of 2 and 3 dimensional transformation: Concatenation of transformation matrices. Application of geometric transformations.
5. Representation of curves and surfaces: Polygon, meshed and ruled surfaces: Bezier curves; B-spline curves.
6. Geometric Modeling: Wireframe model: solid modeling: representation, volumetric properties, surface modeling, concepts of hidden-line removal and shading: Kinematics analysis and simulation.
7. Application of CAD techniques to finite Element Mesh Generation. Computer Aided Manufacturing (CAM)
8. Introduction: Basic concepts of manufacturing system and CAD/CAM.
9. NC/CMNC Machine Tools; NC machine tools- basic components, coordinate systems; features of NC machine tools. Computerized Numerical Control (CNC): Tooling for NC machines - tool presetting equipment, flexible tooling, tool length compensation, tool path graphics; NC motion control system; Manual part programming, fixed/floating zero. Block format and codes: Computer assisted part programming. DNC and Adaptive Control: Direct numerical control: Adaptive control in machining system; Combined DNC/CNC system.
10. Group Technology (GT): Part families; part classification and coding system: Group technology machine cells: Advantages of GT.
11. Computer Aided Process Planning: Introduction and benefits of CAPP. Types of CAPP systems, machinability data selection systems in CAPP.
12. Flexible Manufacturing System (FMS) and Computer integrated manufacturing system: FMS and its advantages, components of a FMS system. Introduction to CIMS.