PL6503 - CAD/CAM/CAE FOR PLASTICS ENGINEERING (Syllabus) 2013-regulation Anna University

PL6503 - CAD/CAM/CAE FOR PLASTICS ENGINEERING (Syllabus) 2013-regulation Anna University

PL6503	CAD/CAM/CAE FOR PLASTICS ENGINEERING	LPTC

3003

OBJECTIVES: To enable the students

• To understand the basics of design aspects for the manufacturing of mould.
• To develop the knowledge of computer aided manufacturing.
• To learn about the various CNC machines used for the manufacturing of moulds.

UNIT I	COMPUTER AIDED DESIGNING	9

Fundamentals: Output primitives (pints, lines, curves, etc.,) 2-D Transformation, Translation, Scaling, Rotation, windowing, View ports clipping transformation. CAD Software: Interactive programs w.r.t design problems and production of drawing using any languages like Autocad , Auto LISP/C/C++., creation of surface, solids etc., using solid modeling package (prismatic and revolved parts), Data exchange, customizing. Computer Graphics: Representation of curves – Bezier curves – Cubic spline curve – B Spline curves – Rational curves – Surface Modeling Technique – surface patch – coons patch - bi-cubic patch – Bezier and B-spline surfaces – Volume modeling – Boundary models – CSG other modeling techniques.

UNIT II	VISUAL REALISM	9

Hidden – Line – Surface – sold removal algorithms shading – coloring. Introduction to parametric and variation geometry based on soft wares and their principles creation of prismatic and lofted parts using these packages. Graphics and computing standards GKS – Bitmaps – Open Gl – Data Exchange standards – IGES – STEP – CALS – DXF- Communication standards - WAN – LAN. CAD/Graphics integration 2D Representation – Development of surfaces – Integration of design analysis and Cad - Graphical aid for preprocessing in FEA – mesh generation techniques – post processing – Machine from 3D Model – Generative machining – cutter location - gouge deletion – tool path generation from solid models. Assembly of parts, tolerance analysis mass property calculations, mechanism simulation, Integration of design, analysis and CAD graphical aid.

UNIT III	COMPUTER AIDED MANUFACTURING	9

Introduction to CAD / CAM software packages, Automation strategies in production process – G - Codes & M – Codes - NC system – Computer assisted part programming – APT language – DNC-CNC and Adaptive Control. Accuracy, repeatability, End effectary, sensors, control systems & type of programming, post processing. Linear Feed back control system – process model formulation, Transfer function and block diagram, Laplace Transforms, Control Actions – Linear System analysis – system Design, Optimal Control – Structural Model of a Manufacturing Process, Steady state optimal control, Adaptive Control, on-line search strategies.

UNIT IV	CAD / CAM INTERFACE FUNDAMENTALS OF CNC MACHINES	9

Manufacturing methods for fabrication of moulds & dies - Design FMS workstations – analysis methods – automated Materials Handling – Types –Computer Integrated Production Planning System – Computer Processes interface – Process Monitoring – Supervisory Computer Control – Computer Monitoring – Types & Strategies.

UNIT V	COMPUTER AIDED ENGINEERING	9

Computer modeling for polymer processing: Models of Material Behaviour, Model simplifications, Finite difference, Finite element techniques for field problems, Simulation of viscoelastic fluid flow, computer implementation of Process models. Advanced computational techniques, Supercomputing and Visualization of Results. Concept of A.I. and knowledge based systems in selection and processing of polymers. CAE in Mould Manufacture: Computerized numerical control. Flexible manufacturing.

TOTAL : 45 PERIODS

OUTCOMES:

Upon completion of this course, the students will acquire the knowledge of computer aided design and manufacturing for moulds for plastics processing. They also learn about various CNC machining processes used in mould manufacturing.

TEXT BOOKS:

1. Braun; Dietrich, Cherdron; Harald and Ritter; Helmut, Polymer Synthesis: Theory and Practice-Fundamentals, Methods, Experiments, 3rd Edition, Springer Verlag, Berlin (2001).
2. Computer Integrated Manufacturing Paul G. Ranky (Prentice Hall, 1990).
3. CAD/CAM/CIM Radhakrishnan, P. & Subramanyan. S. (W iley Eastern Ltd., 1994).
4. An Introduction to Automated Process Planning Chang. T.C. & Wysk(Prentice Hall
5. Inc., Englewood Cliffs - New Jersey).

REFERENCES

1. Computer Integrated Manufacturing Systems Yoram Koren(McGraw Hill, 1983).
2. Automation, Production and Systems and Computer - Integrated Manufacturing Mikell P. Groover,(Prentice Hall of India Pvt. Ltd., 1998).
3. Computer Graphics- Donald Hearn and M.Pauline Baker (Prentice Hall, Inc., 1992).
4. CAD/CAM – Theory and Practice- Ibrahim Zeid (McGraw Hill, International Edition, 1998).
5. CAD/CAM principles, practice and manufacturing management - By Chris McMohan and Jimmi (Browne Pearson Education Asia,Ltd.,2000).
6. CAD/CAM/CIM - By Radhakrishnan, P. and Subramanyan. S. (Wiley Eastern Ltd., 1994).
7. Automation, Production and Systems and Computer - Integrated Manufacturing By Mikell P. Groover (Prentice Hall of India Pvt. Ltd., 1998).
8. An Introduction to Automated Process Planning - By Chang. T.C. & Wysk, (Prentice Hall Inc., Englewood Cliffs - New Jersey).
9. Computer Integrated Manufacturing Paul G. Ranky(Prentice Hall, 1990).
10. Computer Integrated Manufacturing Systems Yoram Koren (McGraw Hill, 1983).