3. Model a prototype and fabricate it using 3D Printing Techniques. Course Outcomes: The student will be able to 1. Conceptualize the product development cycle and identify the role of 3D Printing in industries. 2. Illustrate appropriate 3D Printing techniques for developing products. 3. Articulate the working principles of various 3D Printing Technologies. 4. Identify suitable applications for every classification of 3D Printing Technology. 5. Correlate the process variables with the quality of products built using 3D Printing Processes. 6. Design materials for 3D Printing Process to solve real time industrial problems. Module: 1 INTRODUCTION 8 Hours Market trend, Concurrent engineering fundamentals, Identifying the need for new product development, History of 3D Printing (3D-P) Technology, 3D-P process chain, Impact of 3D-P on Product Development Cycle, Digital prototyping, Digital Manufacturing Vs Virtual prototyping, Rapid Tooling – Benefits and Applications. Module: 2
3D-P FUNDAMENTAL AND CAD DATA PROCESSING
8 Hours
Basic concept, Data Digitization techniques, Model Reconstruction, Data Processing for Rapid Prototyping: CAD model preparation, Data Requirements, Geometric modeling techniques, Data formats, Data interfacing, Part orientation and support generation, Support structure design, CAD model slicing, Tool path generation. Module: 3 LIQUID BASED 3D-P SYSTEMS 8 Hours Stereo Lithography Apparatus (SLA): Principle, per-build process, part-building, post-build processes, photo polymerization of SLA resins, part quality and process planning, recoating issues, materials, advantages, limitations and applications. Solid Ground Curing (SGC): working principle, process, strengths, weaknesses and applications. Module: 4 SOLID BASED 3D-P SYSTEMS 7 Hours Fused Deposition Modeling (FDM): Principle, details of processes, process variables, types, products, materials and applications. Laminated Object Manufacturing (LOM): Working Principles, details of processes, products, materials, advantages, limitations and applications - Case studies. Module: 5
POWDER BASED 3D-P SYSTEMS OTHER AM 7 Hours TECHNOLOGIES Selective Laser Sintering (SLS): Principle, process, Indirect and direct SLS- powder structures, modeling of SLS, materials, post processing, post curing, surface deviation and accuracy, Applications. Laser Engineered Net Shaping (LENS): Processes, materials, products, advantages, limitations and applications– Case Studies. Module: 6 MODERN 3D-P SYSTEMS AND APPLICATIONS 7 Hours Three-Dimensional Printing (3DP): Principle, basic process, Physics of 3DP, types of printing, process capabilities, material system. Solid based, Liquid based and powder based 3DP systems, strength and weakness, Applications and case studies. Shape Deposition Manufacturing (SDM): Introduction, basic process, shape decomposition, mold SDM and applications. Selective Laser Melting, Electron Beam melting, Wire Arc Additive Manufacturing – Rapid manufacturing.3D-P Applications: Mechanical, Automobile, Aerospace, Medical, Recreational including toys and sports. Total Lectures 45 Hours Text Books
MECHANICAL ENGINEERING (2020)
