3D Printing and Design
1006226 modules · 40 topics
Module 1Additive Manufacturing Introduction and CAD-CAM for 3D Printing11 topics
- Additive vs Conventional Manufacturing processes
- Classification of 3D Printing Processes
- Working principle of various 3D Printing processes — FDM, SLA, SLS, Binder Jetting, Material Jetting, Direct Energy Deposition and Laminated Object Manufacturing
- Additive Manufacturing application domains — Aerospace, Electronics, Health Care, Defence, Automotive, Construction, Food Processing, Machine Tools, Product design and prototyping
- Reverse Engineering for 3D Printing and CAD-CAM and its integration
- CAD — Part and Surface modelling and CAD file formats
- Process chain for 3D Printing, STL interface Specification, STL data generation and STL data Manipulation
- Advantages and limitations of STL file format, Open files, Repair of STL files and Alternative 3D Printing interfaces
- Part orientation and support generation, Factors affecting part orientation and Models for part orientation determination
- Function of part supports, Support structure design and Automatic support structure generation
- Model Slicing and Contour Data organization, Direct and adaptive slicing — Identification of peak features, Adaptive layer thickness determination and Tool path generation
Module 23D Printing Materials5 topics
- Various forms of 3D printing raw material — Liquid, Solid, Wire, Powder
- Popular FDM, SLA, SLS, Binder Jetting, Material Jetting and Direct Energy Deposition 3D printing materials
- Polymers, Metals, Non-Metals, Ceramics, Polymers and their properties
- Powder Preparation and their desired properties
- Choosing the right 3D Printing material on the basis of performance requirements and material properties
Module 3Solid based 3D Printing Processes7 topics
- Basic principle and working of Fused Deposition Modelling (FDM) process
- Construction details and working of established FDM based 3D printers for plastics parts
- 3D Printer software — Fusion 360, Solidworks, Onshape, Tinkercad, Ultimaker Cura, MeshLab, Simplify3D, Repetier-Host, Slic3r — use and operation of any one
- 3D Scanners and working
- Producing a part using FDM based 3D Printer — Liquefaction, solidification and bonding
- Laminated Object Manufacturing process
- Cost estimation of FDM 3D printed component
Module 4Liquid based 3D Printing Processes4 topics
Module 5Powder based 3D Printing Processes6 topics
- Powder fusion mechanism
- Principle and working of Selective Laser Sintering (SLS) process and SLS based 3D printers
- Laser Engineered Net Shaping process and Electron Beam Melting
- Binder Jet 3D Printing
- Materials and Process parameters for SLS based 3D printing processes
- Cost estimation of SLS based 3D printed component
Module 6Post Processing and Quality7 topics
- Need of post processing — Functional and Aesthetic reasons
- Steps of Post Processing — Cleaning/Support removal, Fixing, Curing or hardening, Surface finishing, Colouring
- Cleaning — Support Removal (FDM and Material Jetting), Powder Removal (SLS and Powder Bed Fusion), Washing (SLA and Photopolymerisation)
- Fixing — Filling, Gluing, Welding
- Surface finishing — Sanding, Polishing, Tumbling, Hydro dipping, Epoxy coating, Electroplating, Vapour smoothing-Acetone treatment
- Colouring, Coating, Priming and Painting
- Inspection and testing — Digital, Visual, Physical and Defects and their causes
Theory