Need - Development of AM systems – Challenges in AM - AM process chain - Impact of AM on Product Development - Virtual Prototyping- Rapid Tooling – RP to AM - Classification of AM processes - Benefits Applications
REVERSE ENGINEERING AND CAD MODELING
Basic concept- Digitization techniques – Model reconstruction – Data Processing for Rapid Prototyping: Types of CAD Modelling Techniques, CAD model preparation, Data requirements – Geometric modeling techniques: Wire frame, surface and solid modeling – data formats for AM - Data interfacing, Part orientation and support generation, Support structure design, Model Slicing, Tool path generation-Software for AM
LIQUID BASED AND SOLID BASED ADDITIVE MANUFACTURING SYSTEMS
Stereo lithography Apparatus (SLA): Principle, processes, advantages, limitations and applications. Solid Ground Curing (SGC): working principle, process, strengths, weaknesses and applications. Fused deposition Modelling (FDM): Principle, process variables, types, products, materials and applications. Laminated Object Manufacturing (LOM): Working Principles, details of processes, products, materials, advantages, limitations and applications – Thermal Phase change inkjets, Case studies.
POWDER BASED ADDITIVE MANUFACTURING SYSTEMS
Selective Laser Sintering (SLS): Principle, process, - materials, post processing, surface deviation and accuracy, Applications. Laser Engineered Net Shaping (LENS): Processes, materials, products, advantages, limitations and applications– Case Studies.
ADDITIVE MANUFACTURING APPLICATIONS
Additive Manufacturing in Medical Applications - in Architecture and Building construction –in Food Industry – in Aerospace Industry – in Machinery and Automobile– in lifestyle and sports – in material handling & robotics. Case studies related to Medical – architecture – food products – aerospace – machinery & automobile – sports industries
Reference Book:
1. Gibson, I., Rosen, D.W. and Stucker, B., “Additive Manufacturing Methodologies: Rapid Prototyping to Direct Digital Manufacturing”, Springer, 2010.
2. Gebhardt, A., “Rapid prototyping”, Hanser Gardener Publications, 2003
3. Liou, L.W. and Liou, F.W., “Rapid Prototyping and Engineering applications: A tool box for prototype development”, CRC Press, 2011
4. Hilton, P.D. and Jacobs, P.F., Rapid Tooling: Technologies and Industrial Applications, CRC press, 2005.
5. Murthy R L, “Precision Engineering in Manufacturing”, New Age International Publishers, Chennai, 1996.
Text Book:
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.
