Overview
Syllabus
Unit-1: Additive Manufacturing Introduction and CAD
Additive v/s Conventional Manufacturing processes-CAD-CAM and its integration-CAD file formats-Process chain for 3D Printing-ReverseEngineering for 3D Printing
Unit-2: Data Preparation for 3D Printing
Classification of 3D Printing Processes-STL interface Specification, STL data generation, STL data Manipulation-Advantages and limitations of STL file format, Open files, Repair of STL files-Alternative 3D Printing interfaces-Part orientation and support generation-Model Slicing and Contour Data organization, Direct and adaptive slicing: Identification of peak features-Tool Path generation
Unit-3: 3D Printers and Software
Construction details and working of established FDM based 3D printers for plastics parts-Accuracy, Precision and Tolerance in 3D printing-3D Printer software- Fusion 360, Solidworks, Onshape, Tinkercad, UltimakerCura, MeshLab, Simplify 3D, Repetier host, Slic3r, etc. – use and operation of anyone
Unit-4: 3D Printing Materials
Various forms of 3D printing raw material- Liquid, Solid, Wire, Powder-i. Popular FDM, SLA, SLS, Binder Jetting, Material Jetting and Direct Energy deposition 3D printingmaterials-Polymers, Metals, Non- Metals, Ceramics-Polymers and their properties-PowderPreparation and their desired properties.
Unit-5: Solid based 3D Printing Processes
Basic principle and working of fused deposition modeling (FDM) process
Unit-6: Liquid based 3D Printing Processes
PhotoPolymerization-Principle and working of stereo lithography apparatus-SLA based 3D printing processes-Curing processes
Unit-8: Post Processing and Quality of 3D printed components
Need of post processing: Functional and Aesthetic reasons-Steps of Post Processing: Cleaning/Support removal, Fixing, Curing or hardening, Surface finishing, Colouring-
Inspection and testing: Digital, Visual, Physical-Defects and their Causes
Taught by
Dr. Sharad K. Pradhan