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SYLLABUS

UNIT-I

Introduction:Prototyping fundamentals, Historical development, Fundamentals of rapid prototyping, Advantages and limitations of rapid ptototyping, Commonly used terms, Classification of RP process. Liquid-based rapid prototyping systems: Stereo Lithography Apparatus (SLA): Models and specifications, Process, Working principle, Photopolymers, Photo polymerization, Layering technology, Laser and laser scanning, Applications, Advantages and disadvantages, Case studies. Solid Ground Curing (SGC): Models and specifications, Process, Working principle, Applications, Advantages and disadvantages, Case studies.

UNIT-II

Solid-Based Rapid Prototyping Systems: Laminated Object Manufacturing (LOM) - Models and specifications, Process, Working principle, Applications, Advantages and disadvantages, Case studies. Fused Deposition Modelling (FDM)- Models and specifications, Process, Working principle, Applications Advantages and disadvantages, Case studies

UNIT-III

Powder based rapid prototyping systems: Selective Laser Sintering (SLS): Models and Specifications. Process, Working principle, Applications, Advantages and disadvantages, Case studies, Three Dimensional Printing (3DP): Models and specifications, Process, Working principle, Applications, Advantages and disadvantages, Case studies.

UNIT-IV

Rapid Tooling: Introduction to rapid tooling (RT), Conventional Tooling Vs RT, Need for RT, Rapid tooling classification: Indirect rapid tooling methods: Spray metal deposition. RTV epoxy tools, Ceramic tools Investment casting, Spin casting, Die casting, Sand casting, 3D Keltool process. Direct rapid tooling: Direct AIM, LOM tools, DTM rapid tool process, EOS direct tool process and direct metal tooling using 3DP.

UNIT-V

RAPID PROTOTYPING DATA FORMATS: STL format, STL file problems, Consequence of building valid and invalid tessellated models, STL file repairs: Generic solution, Other translators, Newly proposed formats. RAPID PROTOTYPING SOFTWARES: Features of various RP software’s like Magics, Mimics, Solid View, View Expert, 3D View, Velocity 2, Rhino, STL View 3 Data Expert and 3D Doctor.

UNIT-VI

RP APPLICATIONS: Applications in Engineering, Analysis and Planning, Aerospace industry, Automotive industry. Jewelry industry, Coin industry, GIS application, Arts and architechture. RP medical and bioengineering applications: Planning and simulation of complex surgery, Customized implants & prosthesis, Design and production of medical devices, Forensic science and anthropology, Visualization of bimolecular.