PL8004 - ADDITIVE MANUFACTURING IN PLASTICS PRODUCTS (Syllabus) 2017-regulation Anna University

PL8004 - ADDITIVE MANUFACTURING IN PLASTICS PRODUCTS (Syllabus) 2017-regulation Anna University

PL8004 ADDITIVE MANUFACTURING IN PLASTICS PRODUCTS  LPTC
3003

OBJECTIVES:
• To educate students with fundamental and advanced knowledge in the field of Additive manufacturing technology for plastics product
• To learn the fundamentals process of additive manufacturing process.

UNIT I INTRODUCTION 6
Introduction to Additive Manufacturing (AM)- AM evolution- Distinction between AM & CNC machining- Advantages of AM- AM process chain- Conceptualization- CAD- conversion to STL- Transfer to AM- STL file manipulation- Machine setup- build -removal and clean up-post processing- Classification of AM processes.

UNIT II DESIGN FOR AM 9
Motivation- DFMA concepts and objectives- AM unique capabilities- Exploring design freedoms- Design tools for AM- Part Orientation- Removal of Support- Hollowing out part- Inclusion of Undercuts and Other Manufacturing Constraining Features- Interlocking Feature- Reduction of Part Count in an Assembly- Identification of markings / numbers etc.


UNIT III SOLID & LIQUID BASED AM 9
Liquid Based AM: Stereolithography Apparatus (SLA) - Solid Ground Curing (SGC) - Principle, pre-build process, part-building and post-build processes, resins, Advantages, limitations and applications Solid Based AM: Fused deposition Modeling (FDM) - Laminated Object Manufacturing (LOM) - Principles, details of processes, materials, advantages, limitations and applications.

UNIT IV POWDER BASED AM 9
Selective Laser Sintering (SLS) - Laser Engineered Net Shaping (LENS) - Principles, details of processes, materials, advantages, limitations and applications. Other Additive Manufacturing Systems: Principles of Shape Deposition Manufacturing (SDM), Ballastic Particle Manufacturing (BPM), Selective Laser Melting, Electron Beam Melting.

UNIT V POST PROCESSING & APPLICATIONS OF AM 9
Post processing of AM parts: Support material removal - Surface texture improvement- Accuracy improvement - Aesthetic improvement - Preparation for use as a pattern- Property enhancements using non-thermal and thermal techniques. Applications of AM: Functional models- Pattern for investment and vacuum casting - Medical models - art models - Engineering analysis models- Rapid tooling ( Direct and Indirect method- New materials development- Bi-metallic parts- Re-manufacturing- Application examples for Aerospace, defense, automobile, Bio-medical and general engineering industries;

TOTAL : 45 PERIODS

OUTCOMES: Upon completing this course, the students
• Will learn about a variety of Additive Manufacturing (AM) technologies, their potential to support design and manufacturing
• Will learn the important research challenges associated with AM and its data processing tools

REFERENCES:
1. Chua, C.K., Leong K.F. and Lim C.S., “Rapid prototyping: Principles and applications”, second edition, World Scientific Publishers, 2010
2. Kamrani, A.K. and Nasr, E.A., “Rapid Prototyping: Theory and practice”, Springer, 2006.
3. Gibson, I., Rosen, D.W. and Stucker, B., “Additive Manufacturing Methodologies: Rapid Prototyping to Direct Digital Manufacturing”, Springer, 2010
4. Andreas Gebhardt, Understanding Additive Manufacturing: Rapid Prototypying, Rapid Tooling, Rapid Manufacturing.,2012.
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