COURSE OBJECTIVES
To provide strong understanding of geometric modelling techniques used for creating the CAD models.
To make the awareness about the computer applications to the manufacturing and factory operations.
To offer the fundamental knowledge of the numerical methods to perform the design analysis.
COURSE OUTCOMES
On completion of the course, student will be able to:
CO1 - Interpret how the geometric modelling techniques are applied to make the product designs.
CO2 - Create the CAD models using sketch tools, design features, assembly, and drawing annotations in a CAD package.
CO3 - Explain how the computer packages are employed in the direct and/or indirect manufacturing applications.
CO4 - Make a mechanical component using CNC machine/ 3D printer.
CO5 - Determine the nodal solutions to the one-dimensional element finite element problems.
CO6 - Perform the structural analyses of the stated 1D, 2D and 3D structural problems from solid mechanics.
COURSE CONTENT
UNIT 1 CAD FUNDAMENTALS 6 Hrs.Computer graphics fundamentals, geometric transformation, viewing transformation, line generating algorithms, and hidden line removal algorithms.
UNIT 2 GEOMETRIC MODELING 6 Hrs.
Wireframe modelling: analytical curves and synthetic curves. Surface modelling: analytical surfaces and synthetic surfaces. Solid modelling: constructive solid geometry (CSG), boundary representation, parametric modelling. Assembly modelling.
UNIT 3 CAM APPLICATIONS IN FACTORY OPERATIONS 6 Hrs.
Indirect computer applications: Computer Aided Process Planning (CAPP), Computer aided quality testing, Computer aided process monitoring, Computer integrated production system (CIPS), Enterprise resource planning (ERP).
UNIT 4 CNC PROGRAMMING 6 Hrs.
NC, DNC and CNC machine tools, rapid prototyping. NC Programming: point to point and continuous path machining approaches, G Codes, M Codes, Canned cycles, Manual NC programming for turning and milling operations.
UNIT 5 COMPUTER AIDED ANALYSIS FUNDAMENTALS 6 Hrs.
General form of finite element equation, Numerical solutions to one-dimensional problems from solid mechanics. Steps in finite element analysis.
LIST OF EXPERIMENTS 30 Hrs.
Activity 1: 2D Sketching using a CAD package.
Activity 2: 3D Part modelling using a CAD package.
Activity 3: 3D Assembly modelling using a CAD package.
Activity 4: Drawing a sheet with different model views, annotations and dimensions using a CAD package.
Activity 5: Apply rendering effects to the models using a CAD package.
Activity 6: NC Turning using an NC simulation software.
Activity 7: NC Machining using an NC simulation software.
Activity 8: Make a component using a CNC turning centre.
Activity 9: Make a component using a CNC machining centre.
Activity 10: Make a prototype using a 3D printing.
Activity 11: Structural analysis of one-dimensional element (bar) problems using an FEA package.
Activity 12: Structural analysis of one-dimensional element (beam) problems using an FEA package.
Activity 13: Structural analysis of one-dimensional element (truss) problems using an FEA package.
Activity 14: Structural analysis of two-dimensional element (plate) problems using an FEA package.
Activity 15: Structural analysis of three-dimensional element (solid component) problems using an FEA package.
TEXT / REFERENCE BOOKS
1. Zhuming Bi and Xiaoqin Wang, "Computer Aided Design and Manufacturing", Wiley, 2020.2. Ibrahim Zeid and R. Sivasubramanian, "CAD/CAM: Theory and Practice: Special Indian Edition", 2nd Edition, McGraw Hill Education, 2009, 828 Pages.
3. Sudip S. Bhattacharjee, "Finite Element Analysis of Solids and Structures", CRC Press, 2021.
4. Kuang-Hua Chang, "E-Design: Computer-Aided Engineering Design", Elsevier Science, 2016.
5. Donald D. Hearn and M. Pauline Baker, "Computer Graphics, C Version", 2nd Edition, Pearson Education, 2014, 660 pages.
6. Pawan Negi, Mangey Ram, Om Prakash Yadav, "Basics of CNC Programming", River Publishers, 2022.
- Teacher: AROCKIA SUTHAN