PA4008 CAD/CAM/CAE Applications in Mould / Die Designs Syllabus:

PA4008 CAD/CAM/CAE Applications in Mould / Die Designs Syllabus – Anna University PG Syllabus Regulation 2021

OBJECTIVES:

 To enable the students to provide an overview of how computers are being used in Design of Plastic Component,
 Manufacturing of Tool and Analysis of mould flow.
 To study about different NC machines and its working principle
 To develop the knowledge of computer aided manufacturing.
 To understand various CAM software packages

UNIT I COMPUTER GRAPHICS

Output primitives (Points, lines, curves, etc.,) – 2-D and 3D Transformations Homogeneous Coordinates- Windowing, Viewing and clipping transformation Hidden Line and Surface Removal Algorithms.

UNIT II COMPUTER AIDED DESIGN (CAD)

Introduction to curves- Analytical Curves- circle and conics- Synthetic Curves Bezier and B-spline curve. Surface modeling: Bezier and B-Spline surface- Bi- linear surface- Boundary Representation Sweep representation. Solid modeling: Primitives- Boolean set operations- Boundary Representation– Constructive Solid Geometry, User interface for solid modeling. Graphics Standards: Standards for computer graphics-Open Graphics Library (OpenGL) – Data exchange standards IGES, STEP, CALS etc. – Communication standards

UNIT III COMPUTER AIDED MANUFACTURING (CAM)

Introduction to NC machines, CNC machines, Direct Numerical Control (DNC), Advantages & Disadvantages, Working principle of CNC machines – Introduction to CAM software packages –G Codes & M Codes – Part programming for CNC Turning Centre and CNC Machining Centre.

UNIT IV FINITE ELEMENT ANALYSIS (FEA)

Introduction to Finite Element Analysis (FEA), Types of analysis – Procedure for finite element analysis -Finite Element Analysis packages, and its application; Analysis of One Dimensional Bar elements Derivation of Shape function and Stiffness matrix and force vector – Assembly of matrix – Field problems.

UNIT V MOLD FLOW ANALYSIS

Introduction to Moldflow analysis- Design principles- Product design and Moldflow – Sequence of analysis- Moldflow concepts- Meshes used in Moldflow analysis- Types, Requirement- Geometry Creation- Importing Geometry; Shrinkages and Warpage- injection molding and shrinkage, basic cause of warpage and shrinkages ; Moldflow design procedure- Analysis steps framework, Evaluate an Initial design, optimized the design; Part defects.

TOTAL: 45 PERIODS

OUTCOMES:

At the end of the course, students will be able to
 Acquire knowledge of computer-aided design and manufacturing of moulds for plastics processing.
 Comprehend various CNC machining processes used in Mould manufacturing.
 Gain knowledge of computer-aided manufacturing
 Attain knowledge of various CAM software packages
 Learn about various types of analysis involved in Mould flow.

REFERENCES

1. Chris McMahon and Jimmie Browne “CAD/CAM Principles”, “Practice and Manufacturing management “ Second Edition, Pearson Education, 1999.
2. Donald Hearn and M. Pauline Baker “Computer Graphics”’. Prentice Hall, Inc, 1992.
3. Ibrahim Zeid “Mastering CAD CAM” Tata McGraw-Hill Publishing Co.2007.
4. Jay Shoemaker “Moldflow Design Guide: A Resource for Plastics Engineers”, Volume 10, Hanser, 2006.
5. Radhakrishnan, P. & Subramanyan. S “CAD/CAM/CIM”, (Wiley Eastern Ltd., 1994).
6. Rao P N, Tiwari N K, Kundra T, “Computer Aided Manufacturing” Tata McGraw Hill 2014.
7. Seshu. P, “Text book of Finite Element Analysis” PHI learning Private limited, 2008.
8. Jay Shoemaker “Moldflow Design Guide, A resource for Plastic Engineers” Hanser Publications.